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mattn/go-gtk
gtk/gtk.go
SelectFilename
func (v *FileChooser) SelectFilename(filename string) bool { ptr := C.CString(filename) defer cfree(ptr) return gobool(C.gtk_file_chooser_select_filename(v.GFileChooser, ptr)) }
go
func (v *FileChooser) SelectFilename(filename string) bool { ptr := C.CString(filename) defer cfree(ptr) return gobool(C.gtk_file_chooser_select_filename(v.GFileChooser, ptr)) }
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// GTK doc said the return value is "Not useful".
[ "GTK", "doc", "said", "the", "return", "value", "is", "Not", "useful", "." ]
4deadb416788be678fb9cac22ea76dba83c946b0
https://github.com/mattn/go-gtk/blob/4deadb416788be678fb9cac22ea76dba83c946b0/gtk/gtk.go#L8113-L8117
train
mattn/go-gtk
gtk/gtk.go
Configure
func (v *Adjustment) Configure(value, lower, upper, step_increment, page_increment, page_size float64) { panic_if_version_older(2, 14, 0, "gtk_adjustment_configure()") C._gtk_adjustment_configure(v.GAdjustment, gdouble(value), gdouble(lower), gdouble(upper), gdouble(step_increment), gdouble(page_increment), gdouble(page_size)) }
go
func (v *Adjustment) Configure(value, lower, upper, step_increment, page_increment, page_size float64) { panic_if_version_older(2, 14, 0, "gtk_adjustment_configure()") C._gtk_adjustment_configure(v.GAdjustment, gdouble(value), gdouble(lower), gdouble(upper), gdouble(step_increment), gdouble(page_increment), gdouble(page_size)) }
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// gtk_adjustment_clamp_page // gtk_adjustment_changed // gtk_adjustment_value_changed
[ "gtk_adjustment_clamp_page", "gtk_adjustment_changed", "gtk_adjustment_value_changed" ]
4deadb416788be678fb9cac22ea76dba83c946b0
https://github.com/mattn/go-gtk/blob/4deadb416788be678fb9cac22ea76dba83c946b0/gtk/gtk.go#L9687-L9691
train
mattn/go-gtk
gtk/gtk.go
NewArrow
func NewArrow(at ArrowType, st ShadowType) *Arrow { return &Arrow{Widget{C.gtk_arrow_new(C.GtkArrowType(at), C.GtkShadowType(st))}} }
go
func NewArrow(at ArrowType, st ShadowType) *Arrow { return &Arrow{Widget{C.gtk_arrow_new(C.GtkArrowType(at), C.GtkShadowType(st))}} }
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// Draw arrowhead facing in given direction with a shadow. // Like gtk.Label it does not emit signals.
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4deadb416788be678fb9cac22ea76dba83c946b0
https://github.com/mattn/go-gtk/blob/4deadb416788be678fb9cac22ea76dba83c946b0/gtk/gtk.go#L9767-L9769
train
mattn/go-gtk
gtk/gtk.go
Set
func (a *Arrow) Set(at ArrowType, st ShadowType) { C.gtk_arrow_set(ARROW(a), C.GtkArrowType(at), C.GtkShadowType(st)) }
go
func (a *Arrow) Set(at ArrowType, st ShadowType) { C.gtk_arrow_set(ARROW(a), C.GtkArrowType(at), C.GtkShadowType(st)) }
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// Change the arrows direction and shadow.
[ "Change", "the", "arrows", "direction", "and", "shadow", "." ]
4deadb416788be678fb9cac22ea76dba83c946b0
https://github.com/mattn/go-gtk/blob/4deadb416788be678fb9cac22ea76dba83c946b0/gtk/gtk.go#L9772-L9774
train
mattn/go-gtk
gtk/gtk.go
EventBoxFromObject
func EventBoxFromObject(object *glib.GObject) *EventBox { return &EventBox{Bin{Container{Widget{C.toGWidget(object.Object)}}}} }
go
func EventBoxFromObject(object *glib.GObject) *EventBox { return &EventBox{Bin{Container{Widget{C.toGWidget(object.Object)}}}} }
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//add by xtlx2000
[ "add", "by", "xtlx2000" ]
4deadb416788be678fb9cac22ea76dba83c946b0
https://github.com/mattn/go-gtk/blob/4deadb416788be678fb9cac22ea76dba83c946b0/gtk/gtk.go#L9827-L9829
train
mattn/go-gtk
gtk/gtk.go
ChildSet
func (v *Container) ChildSet(w IWidget, propName string, value interface{}) { ptr := C.CString(propName) defer cfree(ptr) switch value.(type) { case bool: C._gtk_container_child_set_bool(CONTAINER(v), ToNative(w), gstring(ptr), gbool(value.(bool))) case int: C._gtk_container_child_set_int(CONTAINER(v), ToNative(w), gstring(ptr), gint(value.(int))) } }
go
func (v *Container) ChildSet(w IWidget, propName string, value interface{}) { ptr := C.CString(propName) defer cfree(ptr) switch value.(type) { case bool: C._gtk_container_child_set_bool(CONTAINER(v), ToNative(w), gstring(ptr), gbool(value.(bool))) case int: C._gtk_container_child_set_int(CONTAINER(v), ToNative(w), gstring(ptr), gint(value.(int))) } }
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// gtk_container_resize_children // gtk_container_child_type // gtk_container_child_get
[ "gtk_container_resize_children", "gtk_container_child_type", "gtk_container_child_get" ]
4deadb416788be678fb9cac22ea76dba83c946b0
https://github.com/mattn/go-gtk/blob/4deadb416788be678fb9cac22ea76dba83c946b0/gtk/gtk.go#L10211-L10222
train
mattn/go-gtk
gtk/gtk.go
AddAccelerator
func (v *Widget) AddAccelerator(signal string, group *AccelGroup, key uint, mods gdk.ModifierType, flags AccelFlags) { csignal := C.CString(signal) defer cfree(csignal) C.gtk_widget_add_accelerator(v.GWidget, gstring(csignal), group.GAccelGroup, guint(key), C.GdkModifierType(mods), C.GtkAccelFlags(flags)) }
go
func (v *Widget) AddAccelerator(signal string, group *AccelGroup, key uint, mods gdk.ModifierType, flags AccelFlags) { csignal := C.CString(signal) defer cfree(csignal) C.gtk_widget_add_accelerator(v.GWidget, gstring(csignal), group.GAccelGroup, guint(key), C.GdkModifierType(mods), C.GtkAccelFlags(flags)) }
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// gtk_widget_size_request // gtk_widget_get_child_requisition // gtk_widget_size_allocate
[ "gtk_widget_size_request", "gtk_widget_get_child_requisition", "gtk_widget_size_allocate" ]
4deadb416788be678fb9cac22ea76dba83c946b0
https://github.com/mattn/go-gtk/blob/4deadb416788be678fb9cac22ea76dba83c946b0/gtk/gtk.go#L10718-L10723
train
mattn/go-gtk
gtk/gtk.go
CanActivateAccel
func (v *Widget) CanActivateAccel(signal_id uint) bool { return gobool(C.gtk_widget_can_activate_accel(v.GWidget, guint(signal_id))) }
go
func (v *Widget) CanActivateAccel(signal_id uint) bool { return gobool(C.gtk_widget_can_activate_accel(v.GWidget, guint(signal_id))) }
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// gtk_widget_remove_accelerator // gtk_widget_set_accel_path // gtk_widget_list_accel_closures
[ "gtk_widget_remove_accelerator", "gtk_widget_set_accel_path", "gtk_widget_list_accel_closures" ]
4deadb416788be678fb9cac22ea76dba83c946b0
https://github.com/mattn/go-gtk/blob/4deadb416788be678fb9cac22ea76dba83c946b0/gtk/gtk.go#L10729-L10731
train
mattn/go-gtk
gtk/gtk.go
GetPangoContext
func (v *Widget) GetPangoContext() *pango.Context { return pango.ContextFromUnsafe(unsafe.Pointer(C.gtk_widget_get_pango_context((*C.GtkWidget)(v.GWidget)))) }
go
func (v *Widget) GetPangoContext() *pango.Context { return pango.ContextFromUnsafe(unsafe.Pointer(C.gtk_widget_get_pango_context((*C.GtkWidget)(v.GWidget)))) }
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// gtk_widget_reset_rc_styles // gtk_widget_push_colormap // gtk_widget_pop_colormap // gtk_widget_set_default_colormap // gtk_widget_get_default_style // gtk_widget_get_default_colormap // gtk_widget_get_default_visual // gtk_widget_set_direction // gtk_widget_get_direction // gtk_widget_set_default_direction // gtk_widget_get_default_direction // gtk_widget_shape_combine_mask // gtk_widget_input_shape_combine_mask // gtk_widget_path // gtk_widget_class_path // gtk_widget_get_composite_name // gtk_widget_modify_style // gtk_widget_get_modifier_style // gtk_widget_modify_text // gtk_widget_modify_base // gtk_widget_modify_cursor // gtk_widget_create_pango_context // gtk_widget_get_pango_context
[ "gtk_widget_reset_rc_styles", "gtk_widget_push_colormap", "gtk_widget_pop_colormap", "gtk_widget_set_default_colormap", "gtk_widget_get_default_style", "gtk_widget_get_default_colormap", "gtk_widget_get_default_visual", "gtk_widget_set_direction", "gtk_widget_get_direction", "gtk_widget_set_defaul...
4deadb416788be678fb9cac22ea76dba83c946b0
https://github.com/mattn/go-gtk/blob/4deadb416788be678fb9cac22ea76dba83c946b0/gtk/gtk.go#L10856-L10858
train
mattn/go-gtk
gtk/gtk.go
GetSizeRequest
func (v *Widget) GetSizeRequest() (width int, height int) { var w, h C.gint C.gtk_widget_get_size_request(v.GWidget, &w, &h) return int(w), int(h) }
go
func (v *Widget) GetSizeRequest() (width int, height int) { var w, h C.gint C.gtk_widget_get_size_request(v.GWidget, &w, &h) return int(w), int(h) }
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// gtk_widget_get_clipboard // gtk_widget_get_display // gtk_widget_get_root_window // gtk_widget_get_screen // gtk_widget_has_screen
[ "gtk_widget_get_clipboard", "gtk_widget_get_display", "gtk_widget_get_root_window", "gtk_widget_get_screen", "gtk_widget_has_screen" ]
4deadb416788be678fb9cac22ea76dba83c946b0
https://github.com/mattn/go-gtk/blob/4deadb416788be678fb9cac22ea76dba83c946b0/gtk/gtk.go#L10938-L10942
train
tjfoc/gmsm
sm2/pkcs7.go
UnmarshalSignedAttribute
func (p7 *PKCS7) UnmarshalSignedAttribute(attributeType asn1.ObjectIdentifier, out interface{}) error { sd, ok := p7.raw.(signedData) if !ok { return errors.New("pkcs7: payload is not signedData content") } if len(sd.SignerInfos) < 1 { return errors.New("pkcs7: payload has no signers") } attributes := sd.SignerInfos[0].AuthenticatedAttributes return unmarshalAttribute(attributes, attributeType, out) }
go
func (p7 *PKCS7) UnmarshalSignedAttribute(attributeType asn1.ObjectIdentifier, out interface{}) error { sd, ok := p7.raw.(signedData) if !ok { return errors.New("pkcs7: payload is not signedData content") } if len(sd.SignerInfos) < 1 { return errors.New("pkcs7: payload has no signers") } attributes := sd.SignerInfos[0].AuthenticatedAttributes return unmarshalAttribute(attributes, attributeType, out) }
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// UnmarshalSignedAttribute decodes a single attribute from the signer info
[ "UnmarshalSignedAttribute", "decodes", "a", "single", "attribute", "from", "the", "signer", "info" ]
18fd8096dc8a3dcd43e9eccbdb4ef598900ae252
https://github.com/tjfoc/gmsm/blob/18fd8096dc8a3dcd43e9eccbdb4ef598900ae252/sm2/pkcs7.go#L518-L528
train
tjfoc/gmsm
sm2/pkcs7.go
NewSignedData
func NewSignedData(data []byte) (*SignedData, error) { content, err := asn1.Marshal(data) if err != nil { return nil, err } ci := contentInfo{ ContentType: oidData, Content: asn1.RawValue{Class: 2, Tag: 0, Bytes: content, IsCompound: true}, } digAlg := pkix.AlgorithmIdentifier{ Algorithm: oidDigestAlgorithmSHA1, } h := crypto.SHA1.New() h.Write(data) md := h.Sum(nil) sd := signedData{ ContentInfo: ci, Version: 1, DigestAlgorithmIdentifiers: []pkix.AlgorithmIdentifier{digAlg}, } return &SignedData{sd: sd, messageDigest: md}, nil }
go
func NewSignedData(data []byte) (*SignedData, error) { content, err := asn1.Marshal(data) if err != nil { return nil, err } ci := contentInfo{ ContentType: oidData, Content: asn1.RawValue{Class: 2, Tag: 0, Bytes: content, IsCompound: true}, } digAlg := pkix.AlgorithmIdentifier{ Algorithm: oidDigestAlgorithmSHA1, } h := crypto.SHA1.New() h.Write(data) md := h.Sum(nil) sd := signedData{ ContentInfo: ci, Version: 1, DigestAlgorithmIdentifiers: []pkix.AlgorithmIdentifier{digAlg}, } return &SignedData{sd: sd, messageDigest: md}, nil }
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// NewSignedData initializes a SignedData with content
[ "NewSignedData", "initializes", "a", "SignedData", "with", "content" ]
18fd8096dc8a3dcd43e9eccbdb4ef598900ae252
https://github.com/tjfoc/gmsm/blob/18fd8096dc8a3dcd43e9eccbdb4ef598900ae252/sm2/pkcs7.go#L550-L571
train
tjfoc/gmsm
sm2/pkcs7.go
Add
func (attrs *attributes) Add(attrType asn1.ObjectIdentifier, value interface{}) { attrs.types = append(attrs.types, attrType) attrs.values = append(attrs.values, value) }
go
func (attrs *attributes) Add(attrType asn1.ObjectIdentifier, value interface{}) { attrs.types = append(attrs.types, attrType) attrs.values = append(attrs.values, value) }
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// Add adds the attribute, maintaining insertion order
[ "Add", "adds", "the", "attribute", "maintaining", "insertion", "order" ]
18fd8096dc8a3dcd43e9eccbdb4ef598900ae252
https://github.com/tjfoc/gmsm/blob/18fd8096dc8a3dcd43e9eccbdb4ef598900ae252/sm2/pkcs7.go#L579-L582
train
tjfoc/gmsm
sm2/pkcs7.go
Finish
func (sd *SignedData) Finish() ([]byte, error) { sd.sd.Certificates = marshalCertificates(sd.certs) inner, err := asn1.Marshal(sd.sd) if err != nil { return nil, err } outer := contentInfo{ ContentType: oidSignedData, Content: asn1.RawValue{Class: 2, Tag: 0, Bytes: inner, IsCompound: true}, } return asn1.Marshal(outer) }
go
func (sd *SignedData) Finish() ([]byte, error) { sd.sd.Certificates = marshalCertificates(sd.certs) inner, err := asn1.Marshal(sd.sd) if err != nil { return nil, err } outer := contentInfo{ ContentType: oidSignedData, Content: asn1.RawValue{Class: 2, Tag: 0, Bytes: inner, IsCompound: true}, } return asn1.Marshal(outer) }
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// Finish marshals the content and its signers
[ "Finish", "marshals", "the", "content", "and", "its", "signers" ]
18fd8096dc8a3dcd43e9eccbdb4ef598900ae252
https://github.com/tjfoc/gmsm/blob/18fd8096dc8a3dcd43e9eccbdb4ef598900ae252/sm2/pkcs7.go#L686-L697
train
tjfoc/gmsm
sm2/pkcs7.go
signAttributes
func signAttributes(attrs []attribute, pkey crypto.PrivateKey, hash crypto.Hash) ([]byte, error) { attrBytes, err := marshalAttributes(attrs) if err != nil { return nil, err } h := hash.New() h.Write(attrBytes) hashed := h.Sum(nil) switch priv := pkey.(type) { case *rsa.PrivateKey: return rsa.SignPKCS1v15(rand.Reader, priv, crypto.SHA1, hashed) } return nil, ErrPKCS7UnsupportedAlgorithm }
go
func signAttributes(attrs []attribute, pkey crypto.PrivateKey, hash crypto.Hash) ([]byte, error) { attrBytes, err := marshalAttributes(attrs) if err != nil { return nil, err } h := hash.New() h.Write(attrBytes) hashed := h.Sum(nil) switch priv := pkey.(type) { case *rsa.PrivateKey: return rsa.SignPKCS1v15(rand.Reader, priv, crypto.SHA1, hashed) } return nil, ErrPKCS7UnsupportedAlgorithm }
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// signs the DER encoded form of the attributes with the private key
[ "signs", "the", "DER", "encoded", "form", "of", "the", "attributes", "with", "the", "private", "key" ]
18fd8096dc8a3dcd43e9eccbdb4ef598900ae252
https://github.com/tjfoc/gmsm/blob/18fd8096dc8a3dcd43e9eccbdb4ef598900ae252/sm2/pkcs7.go#L710-L723
train
tjfoc/gmsm
sm2/pkcs7.go
marshalCertificates
func marshalCertificates(certs []*Certificate) rawCertificates { var buf bytes.Buffer for _, cert := range certs { buf.Write(cert.Raw) } rawCerts, _ := marshalCertificateBytes(buf.Bytes()) return rawCerts }
go
func marshalCertificates(certs []*Certificate) rawCertificates { var buf bytes.Buffer for _, cert := range certs { buf.Write(cert.Raw) } rawCerts, _ := marshalCertificateBytes(buf.Bytes()) return rawCerts }
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// concats and wraps the certificates in the RawValue structure
[ "concats", "and", "wraps", "the", "certificates", "in", "the", "RawValue", "structure" ]
18fd8096dc8a3dcd43e9eccbdb4ef598900ae252
https://github.com/tjfoc/gmsm/blob/18fd8096dc8a3dcd43e9eccbdb4ef598900ae252/sm2/pkcs7.go#L726-L733
train
tjfoc/gmsm
sm2/pkcs7.go
DegenerateCertificate
func DegenerateCertificate(cert []byte) ([]byte, error) { rawCert, err := marshalCertificateBytes(cert) if err != nil { return nil, err } emptyContent := contentInfo{ContentType: oidData} sd := signedData{ Version: 1, ContentInfo: emptyContent, Certificates: rawCert, CRLs: []pkix.CertificateList{}, } content, err := asn1.Marshal(sd) if err != nil { return nil, err } signedContent := contentInfo{ ContentType: oidSignedData, Content: asn1.RawValue{Class: 2, Tag: 0, Bytes: content, IsCompound: true}, } return asn1.Marshal(signedContent) }
go
func DegenerateCertificate(cert []byte) ([]byte, error) { rawCert, err := marshalCertificateBytes(cert) if err != nil { return nil, err } emptyContent := contentInfo{ContentType: oidData} sd := signedData{ Version: 1, ContentInfo: emptyContent, Certificates: rawCert, CRLs: []pkix.CertificateList{}, } content, err := asn1.Marshal(sd) if err != nil { return nil, err } signedContent := contentInfo{ ContentType: oidSignedData, Content: asn1.RawValue{Class: 2, Tag: 0, Bytes: content, IsCompound: true}, } return asn1.Marshal(signedContent) }
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// DegenerateCertificate creates a signed data structure containing only the // provided certificate or certificate chain.
[ "DegenerateCertificate", "creates", "a", "signed", "data", "structure", "containing", "only", "the", "provided", "certificate", "or", "certificate", "chain", "." ]
18fd8096dc8a3dcd43e9eccbdb4ef598900ae252
https://github.com/tjfoc/gmsm/blob/18fd8096dc8a3dcd43e9eccbdb4ef598900ae252/sm2/pkcs7.go#L749-L770
train
tjfoc/gmsm
sm2/pkcs1.go
MarshalPKCS1PrivateKey
func MarshalPKCS1PrivateKey(key *rsa.PrivateKey) []byte { key.Precompute() version := 0 if len(key.Primes) > 2 { version = 1 } priv := pkcs1PrivateKey{ Version: version, N: key.N, E: key.PublicKey.E, D: key.D, P: key.Primes[0], Q: key.Primes[1], Dp: key.Precomputed.Dp, Dq: key.Precomputed.Dq, Qinv: key.Precomputed.Qinv, } priv.AdditionalPrimes = make([]pkcs1AdditionalRSAPrime, len(key.Precomputed.CRTValues)) for i, values := range key.Precomputed.CRTValues { priv.AdditionalPrimes[i].Prime = key.Primes[2+i] priv.AdditionalPrimes[i].Exp = values.Exp priv.AdditionalPrimes[i].Coeff = values.Coeff } b, _ := asn1.Marshal(priv) return b }
go
func MarshalPKCS1PrivateKey(key *rsa.PrivateKey) []byte { key.Precompute() version := 0 if len(key.Primes) > 2 { version = 1 } priv := pkcs1PrivateKey{ Version: version, N: key.N, E: key.PublicKey.E, D: key.D, P: key.Primes[0], Q: key.Primes[1], Dp: key.Precomputed.Dp, Dq: key.Precomputed.Dq, Qinv: key.Precomputed.Qinv, } priv.AdditionalPrimes = make([]pkcs1AdditionalRSAPrime, len(key.Precomputed.CRTValues)) for i, values := range key.Precomputed.CRTValues { priv.AdditionalPrimes[i].Prime = key.Primes[2+i] priv.AdditionalPrimes[i].Exp = values.Exp priv.AdditionalPrimes[i].Coeff = values.Coeff } b, _ := asn1.Marshal(priv) return b }
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// MarshalPKCS1PrivateKey converts a private key to ASN.1 DER encoded form.
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18fd8096dc8a3dcd43e9eccbdb4ef598900ae252
https://github.com/tjfoc/gmsm/blob/18fd8096dc8a3dcd43e9eccbdb4ef598900ae252/sm2/pkcs1.go#L97-L126
train
tjfoc/gmsm
sm2/p256.go
IsOnCurve
func (curve sm2P256Curve) IsOnCurve(X, Y *big.Int) bool { var a, x, y, y2, x3 sm2P256FieldElement sm2P256FromBig(&x, X) sm2P256FromBig(&y, Y) sm2P256Square(&x3, &x) // x3 = x ^ 2 sm2P256Mul(&x3, &x3, &x) // x3 = x ^ 2 * x sm2P256Mul(&a, &curve.a, &x) // a = a * x sm2P256Add(&x3, &x3, &a) sm2P256Add(&x3, &x3, &curve.b) sm2P256Square(&y2, &y) // y2 = y ^ 2 return sm2P256ToBig(&x3).Cmp(sm2P256ToBig(&y2)) == 0 }
go
func (curve sm2P256Curve) IsOnCurve(X, Y *big.Int) bool { var a, x, y, y2, x3 sm2P256FieldElement sm2P256FromBig(&x, X) sm2P256FromBig(&y, Y) sm2P256Square(&x3, &x) // x3 = x ^ 2 sm2P256Mul(&x3, &x3, &x) // x3 = x ^ 2 * x sm2P256Mul(&a, &curve.a, &x) // a = a * x sm2P256Add(&x3, &x3, &a) sm2P256Add(&x3, &x3, &curve.b) sm2P256Square(&y2, &y) // y2 = y ^ 2 return sm2P256ToBig(&x3).Cmp(sm2P256ToBig(&y2)) == 0 }
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// y^2 = x^3 + ax + b
[ "y^2", "=", "x^3", "+", "ax", "+", "b" ]
18fd8096dc8a3dcd43e9eccbdb4ef598900ae252
https://github.com/tjfoc/gmsm/blob/18fd8096dc8a3dcd43e9eccbdb4ef598900ae252/sm2/p256.go#L93-L107
train
tjfoc/gmsm
sm2/p256.go
sm2P256GetBit
func sm2P256GetBit(scalar *[32]uint8, bit uint) uint32 { return uint32(((scalar[bit>>3]) >> (bit & 7)) & 1) }
go
func sm2P256GetBit(scalar *[32]uint8, bit uint) uint32 { return uint32(((scalar[bit>>3]) >> (bit & 7)) & 1) }
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// sm2P256GetBit returns the bit'th bit of scalar.
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18fd8096dc8a3dcd43e9eccbdb4ef598900ae252
https://github.com/tjfoc/gmsm/blob/18fd8096dc8a3dcd43e9eccbdb4ef598900ae252/sm2/p256.go#L343-L345
train
tjfoc/gmsm
sm2/p256.go
sm2P256Add
func sm2P256Add(c, a, b *sm2P256FieldElement) { carry := uint32(0) for i := 0; ; i++ { c[i] = a[i] + b[i] c[i] += carry carry = c[i] >> 29 c[i] &= bottom29Bits i++ if i == 9 { break } c[i] = a[i] + b[i] c[i] += carry carry = c[i] >> 28 c[i] &= bottom28Bits } sm2P256ReduceCarry(c, carry) }
go
func sm2P256Add(c, a, b *sm2P256FieldElement) { carry := uint32(0) for i := 0; ; i++ { c[i] = a[i] + b[i] c[i] += carry carry = c[i] >> 29 c[i] &= bottom29Bits i++ if i == 9 { break } c[i] = a[i] + b[i] c[i] += carry carry = c[i] >> 28 c[i] &= bottom28Bits } sm2P256ReduceCarry(c, carry) }
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// c = a + b
[ "c", "=", "a", "+", "b" ]
18fd8096dc8a3dcd43e9eccbdb4ef598900ae252
https://github.com/tjfoc/gmsm/blob/18fd8096dc8a3dcd43e9eccbdb4ef598900ae252/sm2/p256.go#L602-L619
train
tjfoc/gmsm
sm2/p256.go
sm2P256Sub
func sm2P256Sub(c, a, b *sm2P256FieldElement) { var carry uint32 for i := 0; ; i++ { c[i] = a[i] - b[i] c[i] += sm2P256Zero31[i] c[i] += carry carry = c[i] >> 29 c[i] &= bottom29Bits i++ if i == 9 { break } c[i] = a[i] - b[i] c[i] += sm2P256Zero31[i] c[i] += carry carry = c[i] >> 28 c[i] &= bottom28Bits } sm2P256ReduceCarry(c, carry) }
go
func sm2P256Sub(c, a, b *sm2P256FieldElement) { var carry uint32 for i := 0; ; i++ { c[i] = a[i] - b[i] c[i] += sm2P256Zero31[i] c[i] += carry carry = c[i] >> 29 c[i] &= bottom29Bits i++ if i == 9 { break } c[i] = a[i] - b[i] c[i] += sm2P256Zero31[i] c[i] += carry carry = c[i] >> 28 c[i] &= bottom28Bits } sm2P256ReduceCarry(c, carry) }
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// c = a - b
[ "c", "=", "a", "-", "b" ]
18fd8096dc8a3dcd43e9eccbdb4ef598900ae252
https://github.com/tjfoc/gmsm/blob/18fd8096dc8a3dcd43e9eccbdb4ef598900ae252/sm2/p256.go#L622-L642
train
tjfoc/gmsm
sm2/p256.go
sm2P256ReduceCarry
func sm2P256ReduceCarry(a *sm2P256FieldElement, carry uint32) { a[0] += sm2P256Carry[carry*9+0] a[2] += sm2P256Carry[carry*9+2] a[3] += sm2P256Carry[carry*9+3] a[7] += sm2P256Carry[carry*9+7] }
go
func sm2P256ReduceCarry(a *sm2P256FieldElement, carry uint32) { a[0] += sm2P256Carry[carry*9+0] a[2] += sm2P256Carry[carry*9+2] a[3] += sm2P256Carry[carry*9+3] a[7] += sm2P256Carry[carry*9+7] }
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// carry < 2 ^ 3
[ "carry", "<", "2", "^", "3" ]
18fd8096dc8a3dcd43e9eccbdb4ef598900ae252
https://github.com/tjfoc/gmsm/blob/18fd8096dc8a3dcd43e9eccbdb4ef598900ae252/sm2/p256.go#L807-L812
train
tjfoc/gmsm
sm3/sm3.go
Sum
func (sm3 *SM3) Sum(in []byte) []byte { sm3.Write(in) msg := sm3.pad() // Finialize sm3.update(msg, len(msg)/sm3.BlockSize()) // save hash to in needed := sm3.Size() if cap(in)-len(in) < needed { newIn := make([]byte, len(in), len(in)+needed) copy(newIn, in) in = newIn } out := in[len(in) : len(in)+needed] for i := 0; i < 8; i++ { binary.BigEndian.PutUint32(out[i*4:], sm3.digest[i]) } return out }
go
func (sm3 *SM3) Sum(in []byte) []byte { sm3.Write(in) msg := sm3.pad() // Finialize sm3.update(msg, len(msg)/sm3.BlockSize()) // save hash to in needed := sm3.Size() if cap(in)-len(in) < needed { newIn := make([]byte, len(in), len(in)+needed) copy(newIn, in) in = newIn } out := in[len(in) : len(in)+needed] for i := 0; i < 8; i++ { binary.BigEndian.PutUint32(out[i*4:], sm3.digest[i]) } return out }
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// Sum, required by the hash.Hash interface. // Sum appends the current hash to b and returns the resulting slice. // It does not change the underlying hash state.
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18fd8096dc8a3dcd43e9eccbdb4ef598900ae252
https://github.com/tjfoc/gmsm/blob/18fd8096dc8a3dcd43e9eccbdb4ef598900ae252/sm3/sm3.go#L178-L199
train
tjfoc/gmsm
sm4/sm4.go
NewCipher
func NewCipher(key []byte) (cipher.Block, error) { if len(key) != BlockSize { return nil, KeySizeError(len(key)) } c := new(Sm4Cipher) c.subkeys = generateSubKeys(key) c.block1 = make([]uint32, 4) c.block2 = make([]byte, 16) return c, nil }
go
func NewCipher(key []byte) (cipher.Block, error) { if len(key) != BlockSize { return nil, KeySizeError(len(key)) } c := new(Sm4Cipher) c.subkeys = generateSubKeys(key) c.block1 = make([]uint32, 4) c.block2 = make([]byte, 16) return c, nil }
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// NewCipher creates and returns a new cipher.Block.
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18fd8096dc8a3dcd43e9eccbdb4ef598900ae252
https://github.com/tjfoc/gmsm/blob/18fd8096dc8a3dcd43e9eccbdb4ef598900ae252/sm4/sm4.go#L321-L330
train
tjfoc/gmsm
sm2/cert_pool.go
NewCertPool
func NewCertPool() *CertPool { return &CertPool{ bySubjectKeyId: make(map[string][]int), byName: make(map[string][]int), } }
go
func NewCertPool() *CertPool { return &CertPool{ bySubjectKeyId: make(map[string][]int), byName: make(map[string][]int), } }
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// NewCertPool returns a new, empty CertPool.
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18fd8096dc8a3dcd43e9eccbdb4ef598900ae252
https://github.com/tjfoc/gmsm/blob/18fd8096dc8a3dcd43e9eccbdb4ef598900ae252/sm2/cert_pool.go#L44-L49
train
tjfoc/gmsm
sm2/cert_pool.go
findVerifiedParents
func (s *CertPool) findVerifiedParents(cert *Certificate) (parents []int, errCert *Certificate, err error) { if s == nil { return } var candidates []int if len(cert.AuthorityKeyId) > 0 { candidates = s.bySubjectKeyId[string(cert.AuthorityKeyId)] } if len(candidates) == 0 { candidates = s.byName[string(cert.RawIssuer)] } for _, c := range candidates { if err = cert.CheckSignatureFrom(s.certs[c]); err == nil { parents = append(parents, c) } else { errCert = s.certs[c] } } return }
go
func (s *CertPool) findVerifiedParents(cert *Certificate) (parents []int, errCert *Certificate, err error) { if s == nil { return } var candidates []int if len(cert.AuthorityKeyId) > 0 { candidates = s.bySubjectKeyId[string(cert.AuthorityKeyId)] } if len(candidates) == 0 { candidates = s.byName[string(cert.RawIssuer)] } for _, c := range candidates { if err = cert.CheckSignatureFrom(s.certs[c]); err == nil { parents = append(parents, c) } else { errCert = s.certs[c] } } return }
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// findVerifiedParents attempts to find certificates in s which have signed the // given certificate. If any candidates were rejected then errCert will be set // to one of them, arbitrarily, and err will contain the reason that it was // rejected.
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18fd8096dc8a3dcd43e9eccbdb4ef598900ae252
https://github.com/tjfoc/gmsm/blob/18fd8096dc8a3dcd43e9eccbdb4ef598900ae252/sm2/cert_pool.go#L131-L153
train
tjfoc/gmsm
sm2/cert_pool.go
AddCert
func (s *CertPool) AddCert(cert *Certificate) { if cert == nil { panic("adding nil Certificate to CertPool") } // Check that the certificate isn't being added twice. if s.contains(cert) { return } n := len(s.certs) s.certs = append(s.certs, cert) if len(cert.SubjectKeyId) > 0 { keyId := string(cert.SubjectKeyId) s.bySubjectKeyId[keyId] = append(s.bySubjectKeyId[keyId], n) } name := string(cert.RawSubject) s.byName[name] = append(s.byName[name], n) }
go
func (s *CertPool) AddCert(cert *Certificate) { if cert == nil { panic("adding nil Certificate to CertPool") } // Check that the certificate isn't being added twice. if s.contains(cert) { return } n := len(s.certs) s.certs = append(s.certs, cert) if len(cert.SubjectKeyId) > 0 { keyId := string(cert.SubjectKeyId) s.bySubjectKeyId[keyId] = append(s.bySubjectKeyId[keyId], n) } name := string(cert.RawSubject) s.byName[name] = append(s.byName[name], n) }
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// AddCert adds a certificate to a pool.
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18fd8096dc8a3dcd43e9eccbdb4ef598900ae252
https://github.com/tjfoc/gmsm/blob/18fd8096dc8a3dcd43e9eccbdb4ef598900ae252/sm2/cert_pool.go#L171-L190
train
tjfoc/gmsm
sm2/cert_pool.go
Subjects
func (s *CertPool) Subjects() [][]byte { res := make([][]byte, len(s.certs)) for i, c := range s.certs { res[i] = c.RawSubject } return res }
go
func (s *CertPool) Subjects() [][]byte { res := make([][]byte, len(s.certs)) for i, c := range s.certs { res[i] = c.RawSubject } return res }
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// Subjects returns a list of the DER-encoded subjects of // all of the certificates in the pool.
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18fd8096dc8a3dcd43e9eccbdb4ef598900ae252
https://github.com/tjfoc/gmsm/blob/18fd8096dc8a3dcd43e9eccbdb4ef598900ae252/sm2/cert_pool.go#L223-L229
train
tjfoc/gmsm
sm2/verify.go
isValid
func (c *Certificate) isValid(certType int, currentChain []*Certificate, opts *VerifyOptions) error { if len(currentChain) > 0 { child := currentChain[len(currentChain)-1] if !bytes.Equal(child.RawIssuer, c.RawSubject) { return CertificateInvalidError{c, NameMismatch} } } now := opts.CurrentTime if now.IsZero() { now = time.Now() } if now.Before(c.NotBefore) || now.After(c.NotAfter) { return CertificateInvalidError{c, Expired} } if len(c.PermittedDNSDomains) > 0 { ok := false for _, constraint := range c.PermittedDNSDomains { ok = matchNameConstraint(opts.DNSName, constraint) if ok { break } } if !ok { return CertificateInvalidError{c, CANotAuthorizedForThisName} } } // KeyUsage status flags are ignored. From Engineering Security, Peter // Gutmann: A European government CA marked its signing certificates as // being valid for encryption only, but no-one noticed. Another // European CA marked its signature keys as not being valid for // signatures. A different CA marked its own trusted root certificate // as being invalid for certificate signing. Another national CA // distributed a certificate to be used to encrypt data for the // country’s tax authority that was marked as only being usable for // digital signatures but not for encryption. Yet another CA reversed // the order of the bit flags in the keyUsage due to confusion over // encoding endianness, essentially setting a random keyUsage in // certificates that it issued. Another CA created a self-invalidating // certificate by adding a certificate policy statement stipulating // that the certificate had to be used strictly as specified in the // keyUsage, and a keyUsage containing a flag indicating that the RSA // encryption key could only be used for Diffie-Hellman key agreement. if certType == intermediateCertificate && (!c.BasicConstraintsValid || !c.IsCA) { return CertificateInvalidError{c, NotAuthorizedToSign} } if c.BasicConstraintsValid && c.MaxPathLen >= 0 { numIntermediates := len(currentChain) - 1 if numIntermediates > c.MaxPathLen { return CertificateInvalidError{c, TooManyIntermediates} } } return nil }
go
func (c *Certificate) isValid(certType int, currentChain []*Certificate, opts *VerifyOptions) error { if len(currentChain) > 0 { child := currentChain[len(currentChain)-1] if !bytes.Equal(child.RawIssuer, c.RawSubject) { return CertificateInvalidError{c, NameMismatch} } } now := opts.CurrentTime if now.IsZero() { now = time.Now() } if now.Before(c.NotBefore) || now.After(c.NotAfter) { return CertificateInvalidError{c, Expired} } if len(c.PermittedDNSDomains) > 0 { ok := false for _, constraint := range c.PermittedDNSDomains { ok = matchNameConstraint(opts.DNSName, constraint) if ok { break } } if !ok { return CertificateInvalidError{c, CANotAuthorizedForThisName} } } // KeyUsage status flags are ignored. From Engineering Security, Peter // Gutmann: A European government CA marked its signing certificates as // being valid for encryption only, but no-one noticed. Another // European CA marked its signature keys as not being valid for // signatures. A different CA marked its own trusted root certificate // as being invalid for certificate signing. Another national CA // distributed a certificate to be used to encrypt data for the // country’s tax authority that was marked as only being usable for // digital signatures but not for encryption. Yet another CA reversed // the order of the bit flags in the keyUsage due to confusion over // encoding endianness, essentially setting a random keyUsage in // certificates that it issued. Another CA created a self-invalidating // certificate by adding a certificate policy statement stipulating // that the certificate had to be used strictly as specified in the // keyUsage, and a keyUsage containing a flag indicating that the RSA // encryption key could only be used for Diffie-Hellman key agreement. if certType == intermediateCertificate && (!c.BasicConstraintsValid || !c.IsCA) { return CertificateInvalidError{c, NotAuthorizedToSign} } if c.BasicConstraintsValid && c.MaxPathLen >= 0 { numIntermediates := len(currentChain) - 1 if numIntermediates > c.MaxPathLen { return CertificateInvalidError{c, TooManyIntermediates} } } return nil }
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// isValid performs validity checks on the c.
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18fd8096dc8a3dcd43e9eccbdb4ef598900ae252
https://github.com/tjfoc/gmsm/blob/18fd8096dc8a3dcd43e9eccbdb4ef598900ae252/sm2/verify.go#L204-L261
train
tjfoc/gmsm
sm2/verify.go
toLowerCaseASCII
func toLowerCaseASCII(in string) string { // If the string is already lower-case then there's nothing to do. isAlreadyLowerCase := true for _, c := range in { if c == utf8.RuneError { // If we get a UTF-8 error then there might be // upper-case ASCII bytes in the invalid sequence. isAlreadyLowerCase = false break } if 'A' <= c && c <= 'Z' { isAlreadyLowerCase = false break } } if isAlreadyLowerCase { return in } out := []byte(in) for i, c := range out { if 'A' <= c && c <= 'Z' { out[i] += 'a' - 'A' } } return string(out) }
go
func toLowerCaseASCII(in string) string { // If the string is already lower-case then there's nothing to do. isAlreadyLowerCase := true for _, c := range in { if c == utf8.RuneError { // If we get a UTF-8 error then there might be // upper-case ASCII bytes in the invalid sequence. isAlreadyLowerCase = false break } if 'A' <= c && c <= 'Z' { isAlreadyLowerCase = false break } } if isAlreadyLowerCase { return in } out := []byte(in) for i, c := range out { if 'A' <= c && c <= 'Z' { out[i] += 'a' - 'A' } } return string(out) }
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// toLowerCaseASCII returns a lower-case version of in. See RFC 6125 6.4.1. We use // an explicitly ASCII function to avoid any sharp corners resulting from // performing Unicode operations on DNS labels.
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18fd8096dc8a3dcd43e9eccbdb4ef598900ae252
https://github.com/tjfoc/gmsm/blob/18fd8096dc8a3dcd43e9eccbdb4ef598900ae252/sm2/verify.go#L444-L471
train
tjfoc/gmsm
sm2/verify.go
VerifyHostname
func (c *Certificate) VerifyHostname(h string) error { // IP addresses may be written in [ ]. candidateIP := h if len(h) >= 3 && h[0] == '[' && h[len(h)-1] == ']' { candidateIP = h[1 : len(h)-1] } if ip := net.ParseIP(candidateIP); ip != nil { // We only match IP addresses against IP SANs. // https://tools.ietf.org/html/rfc6125#appendix-B.2 for _, candidate := range c.IPAddresses { if ip.Equal(candidate) { return nil } } return HostnameError{c, candidateIP} } lowered := toLowerCaseASCII(h) if len(c.DNSNames) > 0 { for _, match := range c.DNSNames { if matchHostnames(toLowerCaseASCII(match), lowered) { return nil } } // If Subject Alt Name is given, we ignore the common name. } else if matchHostnames(toLowerCaseASCII(c.Subject.CommonName), lowered) { return nil } return HostnameError{c, h} }
go
func (c *Certificate) VerifyHostname(h string) error { // IP addresses may be written in [ ]. candidateIP := h if len(h) >= 3 && h[0] == '[' && h[len(h)-1] == ']' { candidateIP = h[1 : len(h)-1] } if ip := net.ParseIP(candidateIP); ip != nil { // We only match IP addresses against IP SANs. // https://tools.ietf.org/html/rfc6125#appendix-B.2 for _, candidate := range c.IPAddresses { if ip.Equal(candidate) { return nil } } return HostnameError{c, candidateIP} } lowered := toLowerCaseASCII(h) if len(c.DNSNames) > 0 { for _, match := range c.DNSNames { if matchHostnames(toLowerCaseASCII(match), lowered) { return nil } } // If Subject Alt Name is given, we ignore the common name. } else if matchHostnames(toLowerCaseASCII(c.Subject.CommonName), lowered) { return nil } return HostnameError{c, h} }
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// VerifyHostname returns nil if c is a valid certificate for the named host. // Otherwise it returns an error describing the mismatch.
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18fd8096dc8a3dcd43e9eccbdb4ef598900ae252
https://github.com/tjfoc/gmsm/blob/18fd8096dc8a3dcd43e9eccbdb4ef598900ae252/sm2/verify.go#L475-L506
train
tjfoc/gmsm
sm2/x509.go
MarshalPKIXPublicKey
func MarshalPKIXPublicKey(pub interface{}) ([]byte, error) { var publicKeyBytes []byte var publicKeyAlgorithm pkix.AlgorithmIdentifier var err error if publicKeyBytes, publicKeyAlgorithm, err = marshalPublicKey(pub); err != nil { return nil, err } pkix := pkixPublicKey{ Algo: publicKeyAlgorithm, BitString: asn1.BitString{ Bytes: publicKeyBytes, BitLength: 8 * len(publicKeyBytes), }, } ret, _ := asn1.Marshal(pkix) return ret, nil }
go
func MarshalPKIXPublicKey(pub interface{}) ([]byte, error) { var publicKeyBytes []byte var publicKeyAlgorithm pkix.AlgorithmIdentifier var err error if publicKeyBytes, publicKeyAlgorithm, err = marshalPublicKey(pub); err != nil { return nil, err } pkix := pkixPublicKey{ Algo: publicKeyAlgorithm, BitString: asn1.BitString{ Bytes: publicKeyBytes, BitLength: 8 * len(publicKeyBytes), }, } ret, _ := asn1.Marshal(pkix) return ret, nil }
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// MarshalPKIXPublicKey serialises a public key to DER-encoded PKIX format.
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18fd8096dc8a3dcd43e9eccbdb4ef598900ae252
https://github.com/tjfoc/gmsm/blob/18fd8096dc8a3dcd43e9eccbdb4ef598900ae252/sm2/x509.go#L130-L149
train
tjfoc/gmsm
sm2/x509.go
rsaPSSParameters
func rsaPSSParameters(hashFunc Hash) asn1.RawValue { var hashOID asn1.ObjectIdentifier switch hashFunc { case SHA256: hashOID = oidSHA256 case SHA384: hashOID = oidSHA384 case SHA512: hashOID = oidSHA512 } params := pssParameters{ Hash: pkix.AlgorithmIdentifier{ Algorithm: hashOID, Parameters: asn1.RawValue{ Tag: 5, /* ASN.1 NULL */ }, }, MGF: pkix.AlgorithmIdentifier{ Algorithm: oidMGF1, }, SaltLength: hashFunc.Size(), TrailerField: 1, } mgf1Params := pkix.AlgorithmIdentifier{ Algorithm: hashOID, Parameters: asn1.RawValue{ Tag: 5, /* ASN.1 NULL */ }, } var err error params.MGF.Parameters.FullBytes, err = asn1.Marshal(mgf1Params) if err != nil { panic(err) } serialized, err := asn1.Marshal(params) if err != nil { panic(err) } return asn1.RawValue{FullBytes: serialized} }
go
func rsaPSSParameters(hashFunc Hash) asn1.RawValue { var hashOID asn1.ObjectIdentifier switch hashFunc { case SHA256: hashOID = oidSHA256 case SHA384: hashOID = oidSHA384 case SHA512: hashOID = oidSHA512 } params := pssParameters{ Hash: pkix.AlgorithmIdentifier{ Algorithm: hashOID, Parameters: asn1.RawValue{ Tag: 5, /* ASN.1 NULL */ }, }, MGF: pkix.AlgorithmIdentifier{ Algorithm: oidMGF1, }, SaltLength: hashFunc.Size(), TrailerField: 1, } mgf1Params := pkix.AlgorithmIdentifier{ Algorithm: hashOID, Parameters: asn1.RawValue{ Tag: 5, /* ASN.1 NULL */ }, } var err error params.MGF.Parameters.FullBytes, err = asn1.Marshal(mgf1Params) if err != nil { panic(err) } serialized, err := asn1.Marshal(params) if err != nil { panic(err) } return asn1.RawValue{FullBytes: serialized} }
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// rsaPSSParameters returns an asn1.RawValue suitable for use as the Parameters // in an AlgorithmIdentifier that specifies RSA PSS.
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18fd8096dc8a3dcd43e9eccbdb4ef598900ae252
https://github.com/tjfoc/gmsm/blob/18fd8096dc8a3dcd43e9eccbdb4ef598900ae252/sm2/x509.go#L500-L545
train
tjfoc/gmsm
sm2/x509.go
CheckSignatureFrom
func (c *Certificate) CheckSignatureFrom(parent *Certificate) error { // RFC 5280, 4.2.1.9: // "If the basic constraints extension is not present in a version 3 // certificate, or the extension is present but the cA boolean is not // asserted, then the certified public key MUST NOT be used to verify // certificate signatures." // (except for Entrust, see comment above entrustBrokenSPKI) if (parent.Version == 3 && !parent.BasicConstraintsValid || parent.BasicConstraintsValid && !parent.IsCA) && !bytes.Equal(c.RawSubjectPublicKeyInfo, entrustBrokenSPKI) { return ConstraintViolationError{} } if parent.KeyUsage != 0 && parent.KeyUsage&KeyUsageCertSign == 0 { return ConstraintViolationError{} } if parent.PublicKeyAlgorithm == UnknownPublicKeyAlgorithm { return ErrUnsupportedAlgorithm } // TODO(agl): don't ignore the path length constraint. return parent.CheckSignature(c.SignatureAlgorithm, c.RawTBSCertificate, c.Signature) }
go
func (c *Certificate) CheckSignatureFrom(parent *Certificate) error { // RFC 5280, 4.2.1.9: // "If the basic constraints extension is not present in a version 3 // certificate, or the extension is present but the cA boolean is not // asserted, then the certified public key MUST NOT be used to verify // certificate signatures." // (except for Entrust, see comment above entrustBrokenSPKI) if (parent.Version == 3 && !parent.BasicConstraintsValid || parent.BasicConstraintsValid && !parent.IsCA) && !bytes.Equal(c.RawSubjectPublicKeyInfo, entrustBrokenSPKI) { return ConstraintViolationError{} } if parent.KeyUsage != 0 && parent.KeyUsage&KeyUsageCertSign == 0 { return ConstraintViolationError{} } if parent.PublicKeyAlgorithm == UnknownPublicKeyAlgorithm { return ErrUnsupportedAlgorithm } // TODO(agl): don't ignore the path length constraint. return parent.CheckSignature(c.SignatureAlgorithm, c.RawTBSCertificate, c.Signature) }
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// CheckSignatureFrom verifies that the signature on c is a valid signature // from parent.
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18fd8096dc8a3dcd43e9eccbdb4ef598900ae252
https://github.com/tjfoc/gmsm/blob/18fd8096dc8a3dcd43e9eccbdb4ef598900ae252/sm2/x509.go#L937-L961
train
tjfoc/gmsm
sm2/x509.go
CheckSignature
func (c *Certificate) CheckSignature(algo SignatureAlgorithm, signed, signature []byte) error { return checkSignature(algo, signed, signature, c.PublicKey) }
go
func (c *Certificate) CheckSignature(algo SignatureAlgorithm, signed, signature []byte) error { return checkSignature(algo, signed, signature, c.PublicKey) }
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// CheckSignature verifies that signature is a valid signature over signed from // c's public key.
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18fd8096dc8a3dcd43e9eccbdb4ef598900ae252
https://github.com/tjfoc/gmsm/blob/18fd8096dc8a3dcd43e9eccbdb4ef598900ae252/sm2/x509.go#L965-L967
train
tjfoc/gmsm
sm2/x509.go
CheckCRLSignature
func (c *Certificate) CheckCRLSignature(crl *pkix.CertificateList) error { algo := getSignatureAlgorithmFromAI(crl.SignatureAlgorithm) return c.CheckSignature(algo, crl.TBSCertList.Raw, crl.SignatureValue.RightAlign()) }
go
func (c *Certificate) CheckCRLSignature(crl *pkix.CertificateList) error { algo := getSignatureAlgorithmFromAI(crl.SignatureAlgorithm) return c.CheckSignature(algo, crl.TBSCertList.Raw, crl.SignatureValue.RightAlign()) }
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// CheckCRLSignature checks that the signature in crl is from c.
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18fd8096dc8a3dcd43e9eccbdb4ef598900ae252
https://github.com/tjfoc/gmsm/blob/18fd8096dc8a3dcd43e9eccbdb4ef598900ae252/sm2/x509.go#L1050-L1053
train
tjfoc/gmsm
sm2/x509.go
ParseCertificate
func ParseCertificate(asn1Data []byte) (*Certificate, error) { var cert certificate rest, err := asn1.Unmarshal(asn1Data, &cert) if err != nil { return nil, err } if len(rest) > 0 { return nil, asn1.SyntaxError{Msg: "trailing data"} } return parseCertificate(&cert) }
go
func ParseCertificate(asn1Data []byte) (*Certificate, error) { var cert certificate rest, err := asn1.Unmarshal(asn1Data, &cert) if err != nil { return nil, err } if len(rest) > 0 { return nil, asn1.SyntaxError{Msg: "trailing data"} } return parseCertificate(&cert) }
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// ParseCertificate parses a single certificate from the given ASN.1 DER data.
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18fd8096dc8a3dcd43e9eccbdb4ef598900ae252
https://github.com/tjfoc/gmsm/blob/18fd8096dc8a3dcd43e9eccbdb4ef598900ae252/sm2/x509.go#L1510-L1521
train
tjfoc/gmsm
sm2/x509.go
ParseCertificates
func ParseCertificates(asn1Data []byte) ([]*Certificate, error) { var v []*certificate for len(asn1Data) > 0 { cert := new(certificate) var err error asn1Data, err = asn1.Unmarshal(asn1Data, cert) if err != nil { return nil, err } v = append(v, cert) } ret := make([]*Certificate, len(v)) for i, ci := range v { cert, err := parseCertificate(ci) if err != nil { return nil, err } ret[i] = cert } return ret, nil }
go
func ParseCertificates(asn1Data []byte) ([]*Certificate, error) { var v []*certificate for len(asn1Data) > 0 { cert := new(certificate) var err error asn1Data, err = asn1.Unmarshal(asn1Data, cert) if err != nil { return nil, err } v = append(v, cert) } ret := make([]*Certificate, len(v)) for i, ci := range v { cert, err := parseCertificate(ci) if err != nil { return nil, err } ret[i] = cert } return ret, nil }
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// ParseCertificates parses one or more certificates from the given ASN.1 DER // data. The certificates must be concatenated with no intermediate padding.
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18fd8096dc8a3dcd43e9eccbdb4ef598900ae252
https://github.com/tjfoc/gmsm/blob/18fd8096dc8a3dcd43e9eccbdb4ef598900ae252/sm2/x509.go#L1525-L1548
train
tjfoc/gmsm
sm2/x509.go
asn1BitLength
func asn1BitLength(bitString []byte) int { bitLen := len(bitString) * 8 for i := range bitString { b := bitString[len(bitString)-i-1] for bit := uint(0); bit < 8; bit++ { if (b>>bit)&1 == 1 { return bitLen } bitLen-- } } return 0 }
go
func asn1BitLength(bitString []byte) int { bitLen := len(bitString) * 8 for i := range bitString { b := bitString[len(bitString)-i-1] for bit := uint(0); bit < 8; bit++ { if (b>>bit)&1 == 1 { return bitLen } bitLen-- } } return 0 }
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// asn1BitLength returns the bit-length of bitString by considering the // most-significant bit in a byte to be the "first" bit. This convention // matches ASN.1, but differs from almost everything else.
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18fd8096dc8a3dcd43e9eccbdb4ef598900ae252
https://github.com/tjfoc/gmsm/blob/18fd8096dc8a3dcd43e9eccbdb4ef598900ae252/sm2/x509.go#L1560-L1575
train
tjfoc/gmsm
sm2/x509.go
marshalSANs
func marshalSANs(dnsNames, emailAddresses []string, ipAddresses []net.IP) (derBytes []byte, err error) { var rawValues []asn1.RawValue for _, name := range dnsNames { rawValues = append(rawValues, asn1.RawValue{Tag: 2, Class: 2, Bytes: []byte(name)}) } for _, email := range emailAddresses { rawValues = append(rawValues, asn1.RawValue{Tag: 1, Class: 2, Bytes: []byte(email)}) } for _, rawIP := range ipAddresses { // If possible, we always want to encode IPv4 addresses in 4 bytes. ip := rawIP.To4() if ip == nil { ip = rawIP } rawValues = append(rawValues, asn1.RawValue{Tag: 7, Class: 2, Bytes: ip}) } return asn1.Marshal(rawValues) }
go
func marshalSANs(dnsNames, emailAddresses []string, ipAddresses []net.IP) (derBytes []byte, err error) { var rawValues []asn1.RawValue for _, name := range dnsNames { rawValues = append(rawValues, asn1.RawValue{Tag: 2, Class: 2, Bytes: []byte(name)}) } for _, email := range emailAddresses { rawValues = append(rawValues, asn1.RawValue{Tag: 1, Class: 2, Bytes: []byte(email)}) } for _, rawIP := range ipAddresses { // If possible, we always want to encode IPv4 addresses in 4 bytes. ip := rawIP.To4() if ip == nil { ip = rawIP } rawValues = append(rawValues, asn1.RawValue{Tag: 7, Class: 2, Bytes: ip}) } return asn1.Marshal(rawValues) }
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// marshalSANs marshals a list of addresses into a the contents of an X.509 // SubjectAlternativeName extension.
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18fd8096dc8a3dcd43e9eccbdb4ef598900ae252
https://github.com/tjfoc/gmsm/blob/18fd8096dc8a3dcd43e9eccbdb4ef598900ae252/sm2/x509.go#L1608-L1625
train
tjfoc/gmsm
sm2/x509.go
signingParamsForPublicKey
func signingParamsForPublicKey(pub interface{}, requestedSigAlgo SignatureAlgorithm) (hashFunc Hash, sigAlgo pkix.AlgorithmIdentifier, err error) { var pubType PublicKeyAlgorithm switch pub := pub.(type) { case *rsa.PublicKey: pubType = RSA hashFunc = SHA256 sigAlgo.Algorithm = oidSignatureSHA256WithRSA sigAlgo.Parameters = asn1.RawValue{ Tag: 5, } case *ecdsa.PublicKey: pubType = ECDSA switch pub.Curve { case elliptic.P224(), elliptic.P256(): hashFunc = SHA256 sigAlgo.Algorithm = oidSignatureECDSAWithSHA256 case elliptic.P384(): hashFunc = SHA384 sigAlgo.Algorithm = oidSignatureECDSAWithSHA384 case elliptic.P521(): hashFunc = SHA512 sigAlgo.Algorithm = oidSignatureECDSAWithSHA512 default: err = errors.New("x509: unknown elliptic curve") } case *PublicKey: pubType = ECDSA switch pub.Curve { case P256Sm2(): hashFunc = SM3 sigAlgo.Algorithm = oidSignatureSM2WithSM3 default: err = errors.New("x509: unknown SM2 curve") } default: err = errors.New("x509: only RSA and ECDSA keys supported") } if err != nil { return } if requestedSigAlgo == 0 { return } found := false for _, details := range signatureAlgorithmDetails { if details.algo == requestedSigAlgo { if details.pubKeyAlgo != pubType { err = errors.New("x509: requested SignatureAlgorithm does not match private key type") return } sigAlgo.Algorithm, hashFunc = details.oid, details.hash if hashFunc == 0 { err = errors.New("x509: cannot sign with hash function requested") return } if requestedSigAlgo.isRSAPSS() { sigAlgo.Parameters = rsaPSSParameters(hashFunc) } found = true break } } if !found { err = errors.New("x509: unknown SignatureAlgorithm") } return }
go
func signingParamsForPublicKey(pub interface{}, requestedSigAlgo SignatureAlgorithm) (hashFunc Hash, sigAlgo pkix.AlgorithmIdentifier, err error) { var pubType PublicKeyAlgorithm switch pub := pub.(type) { case *rsa.PublicKey: pubType = RSA hashFunc = SHA256 sigAlgo.Algorithm = oidSignatureSHA256WithRSA sigAlgo.Parameters = asn1.RawValue{ Tag: 5, } case *ecdsa.PublicKey: pubType = ECDSA switch pub.Curve { case elliptic.P224(), elliptic.P256(): hashFunc = SHA256 sigAlgo.Algorithm = oidSignatureECDSAWithSHA256 case elliptic.P384(): hashFunc = SHA384 sigAlgo.Algorithm = oidSignatureECDSAWithSHA384 case elliptic.P521(): hashFunc = SHA512 sigAlgo.Algorithm = oidSignatureECDSAWithSHA512 default: err = errors.New("x509: unknown elliptic curve") } case *PublicKey: pubType = ECDSA switch pub.Curve { case P256Sm2(): hashFunc = SM3 sigAlgo.Algorithm = oidSignatureSM2WithSM3 default: err = errors.New("x509: unknown SM2 curve") } default: err = errors.New("x509: only RSA and ECDSA keys supported") } if err != nil { return } if requestedSigAlgo == 0 { return } found := false for _, details := range signatureAlgorithmDetails { if details.algo == requestedSigAlgo { if details.pubKeyAlgo != pubType { err = errors.New("x509: requested SignatureAlgorithm does not match private key type") return } sigAlgo.Algorithm, hashFunc = details.oid, details.hash if hashFunc == 0 { err = errors.New("x509: cannot sign with hash function requested") return } if requestedSigAlgo.isRSAPSS() { sigAlgo.Parameters = rsaPSSParameters(hashFunc) } found = true break } } if !found { err = errors.New("x509: unknown SignatureAlgorithm") } return }
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// signingParamsForPublicKey returns the parameters to use for signing with // priv. If requestedSigAlgo is not zero then it overrides the default // signature algorithm.
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18fd8096dc8a3dcd43e9eccbdb4ef598900ae252
https://github.com/tjfoc/gmsm/blob/18fd8096dc8a3dcd43e9eccbdb4ef598900ae252/sm2/x509.go#L1814-L1887
train
tjfoc/gmsm
sm2/x509.go
ParseCRL
func ParseCRL(crlBytes []byte) (*pkix.CertificateList, error) { if bytes.HasPrefix(crlBytes, pemCRLPrefix) { block, _ := pem.Decode(crlBytes) if block != nil && block.Type == pemType { crlBytes = block.Bytes } } return ParseDERCRL(crlBytes) }
go
func ParseCRL(crlBytes []byte) (*pkix.CertificateList, error) { if bytes.HasPrefix(crlBytes, pemCRLPrefix) { block, _ := pem.Decode(crlBytes) if block != nil && block.Type == pemType { crlBytes = block.Bytes } } return ParseDERCRL(crlBytes) }
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// ParseCRL parses a CRL from the given bytes. It's often the case that PEM // encoded CRLs will appear where they should be DER encoded, so this function // will transparently handle PEM encoding as long as there isn't any leading // garbage.
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18fd8096dc8a3dcd43e9eccbdb4ef598900ae252
https://github.com/tjfoc/gmsm/blob/18fd8096dc8a3dcd43e9eccbdb4ef598900ae252/sm2/x509.go#L2003-L2011
train
tjfoc/gmsm
sm2/x509.go
ParseDERCRL
func ParseDERCRL(derBytes []byte) (*pkix.CertificateList, error) { certList := new(pkix.CertificateList) if rest, err := asn1.Unmarshal(derBytes, certList); err != nil { return nil, err } else if len(rest) != 0 { return nil, errors.New("x509: trailing data after CRL") } return certList, nil }
go
func ParseDERCRL(derBytes []byte) (*pkix.CertificateList, error) { certList := new(pkix.CertificateList) if rest, err := asn1.Unmarshal(derBytes, certList); err != nil { return nil, err } else if len(rest) != 0 { return nil, errors.New("x509: trailing data after CRL") } return certList, nil }
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// ParseDERCRL parses a DER encoded CRL from the given bytes.
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18fd8096dc8a3dcd43e9eccbdb4ef598900ae252
https://github.com/tjfoc/gmsm/blob/18fd8096dc8a3dcd43e9eccbdb4ef598900ae252/sm2/x509.go#L2014-L2022
train
tjfoc/gmsm
sm2/x509.go
CreateCRL
func (c *Certificate) CreateCRL(rand io.Reader, priv interface{}, revokedCerts []pkix.RevokedCertificate, now, expiry time.Time) (crlBytes []byte, err error) { key, ok := priv.(crypto.Signer) if !ok { return nil, errors.New("x509: certificate private key does not implement crypto.Signer") } hashFunc, signatureAlgorithm, err := signingParamsForPublicKey(key.Public(), 0) if err != nil { return nil, err } // Force revocation times to UTC per RFC 5280. revokedCertsUTC := make([]pkix.RevokedCertificate, len(revokedCerts)) for i, rc := range revokedCerts { rc.RevocationTime = rc.RevocationTime.UTC() revokedCertsUTC[i] = rc } tbsCertList := pkix.TBSCertificateList{ Version: 1, Signature: signatureAlgorithm, Issuer: c.Subject.ToRDNSequence(), ThisUpdate: now.UTC(), NextUpdate: expiry.UTC(), RevokedCertificates: revokedCertsUTC, } // Authority Key Id if len(c.SubjectKeyId) > 0 { var aki pkix.Extension aki.Id = oidExtensionAuthorityKeyId aki.Value, err = asn1.Marshal(authKeyId{Id: c.SubjectKeyId}) if err != nil { return } tbsCertList.Extensions = append(tbsCertList.Extensions, aki) } tbsCertListContents, err := asn1.Marshal(tbsCertList) if err != nil { return } digest := tbsCertListContents switch hashFunc { case SM3: break default: h := hashFunc.New() h.Write(tbsCertListContents) digest = h.Sum(nil) } var signature []byte signature, err = key.Sign(rand, digest, hashFunc) if err != nil { return } return asn1.Marshal(pkix.CertificateList{ TBSCertList: tbsCertList, SignatureAlgorithm: signatureAlgorithm, SignatureValue: asn1.BitString{Bytes: signature, BitLength: len(signature) * 8}, }) }
go
func (c *Certificate) CreateCRL(rand io.Reader, priv interface{}, revokedCerts []pkix.RevokedCertificate, now, expiry time.Time) (crlBytes []byte, err error) { key, ok := priv.(crypto.Signer) if !ok { return nil, errors.New("x509: certificate private key does not implement crypto.Signer") } hashFunc, signatureAlgorithm, err := signingParamsForPublicKey(key.Public(), 0) if err != nil { return nil, err } // Force revocation times to UTC per RFC 5280. revokedCertsUTC := make([]pkix.RevokedCertificate, len(revokedCerts)) for i, rc := range revokedCerts { rc.RevocationTime = rc.RevocationTime.UTC() revokedCertsUTC[i] = rc } tbsCertList := pkix.TBSCertificateList{ Version: 1, Signature: signatureAlgorithm, Issuer: c.Subject.ToRDNSequence(), ThisUpdate: now.UTC(), NextUpdate: expiry.UTC(), RevokedCertificates: revokedCertsUTC, } // Authority Key Id if len(c.SubjectKeyId) > 0 { var aki pkix.Extension aki.Id = oidExtensionAuthorityKeyId aki.Value, err = asn1.Marshal(authKeyId{Id: c.SubjectKeyId}) if err != nil { return } tbsCertList.Extensions = append(tbsCertList.Extensions, aki) } tbsCertListContents, err := asn1.Marshal(tbsCertList) if err != nil { return } digest := tbsCertListContents switch hashFunc { case SM3: break default: h := hashFunc.New() h.Write(tbsCertListContents) digest = h.Sum(nil) } var signature []byte signature, err = key.Sign(rand, digest, hashFunc) if err != nil { return } return asn1.Marshal(pkix.CertificateList{ TBSCertList: tbsCertList, SignatureAlgorithm: signatureAlgorithm, SignatureValue: asn1.BitString{Bytes: signature, BitLength: len(signature) * 8}, }) }
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// CreateCRL returns a DER encoded CRL, signed by this Certificate, that // contains the given list of revoked certificates.
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18fd8096dc8a3dcd43e9eccbdb4ef598900ae252
https://github.com/tjfoc/gmsm/blob/18fd8096dc8a3dcd43e9eccbdb4ef598900ae252/sm2/x509.go#L2026-L2090
train
tjfoc/gmsm
sm2/x509.go
newRawAttributes
func newRawAttributes(attributes []pkix.AttributeTypeAndValueSET) ([]asn1.RawValue, error) { var rawAttributes []asn1.RawValue b, err := asn1.Marshal(attributes) if err != nil { return nil, err } rest, err := asn1.Unmarshal(b, &rawAttributes) if err != nil { return nil, err } if len(rest) != 0 { return nil, errors.New("x509: failed to unmarshal raw CSR Attributes") } return rawAttributes, nil }
go
func newRawAttributes(attributes []pkix.AttributeTypeAndValueSET) ([]asn1.RawValue, error) { var rawAttributes []asn1.RawValue b, err := asn1.Marshal(attributes) if err != nil { return nil, err } rest, err := asn1.Unmarshal(b, &rawAttributes) if err != nil { return nil, err } if len(rest) != 0 { return nil, errors.New("x509: failed to unmarshal raw CSR Attributes") } return rawAttributes, nil }
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// newRawAttributes converts AttributeTypeAndValueSETs from a template // CertificateRequest's Attributes into tbsCertificateRequest RawAttributes.
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18fd8096dc8a3dcd43e9eccbdb4ef598900ae252
https://github.com/tjfoc/gmsm/blob/18fd8096dc8a3dcd43e9eccbdb4ef598900ae252/sm2/x509.go#L2155-L2169
train
tjfoc/gmsm
sm2/x509.go
parseRawAttributes
func parseRawAttributes(rawAttributes []asn1.RawValue) []pkix.AttributeTypeAndValueSET { var attributes []pkix.AttributeTypeAndValueSET for _, rawAttr := range rawAttributes { var attr pkix.AttributeTypeAndValueSET rest, err := asn1.Unmarshal(rawAttr.FullBytes, &attr) // Ignore attributes that don't parse into pkix.AttributeTypeAndValueSET // (i.e.: challengePassword or unstructuredName). if err == nil && len(rest) == 0 { attributes = append(attributes, attr) } } return attributes }
go
func parseRawAttributes(rawAttributes []asn1.RawValue) []pkix.AttributeTypeAndValueSET { var attributes []pkix.AttributeTypeAndValueSET for _, rawAttr := range rawAttributes { var attr pkix.AttributeTypeAndValueSET rest, err := asn1.Unmarshal(rawAttr.FullBytes, &attr) // Ignore attributes that don't parse into pkix.AttributeTypeAndValueSET // (i.e.: challengePassword or unstructuredName). if err == nil && len(rest) == 0 { attributes = append(attributes, attr) } } return attributes }
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// parseRawAttributes Unmarshals RawAttributes intos AttributeTypeAndValueSETs.
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18fd8096dc8a3dcd43e9eccbdb4ef598900ae252
https://github.com/tjfoc/gmsm/blob/18fd8096dc8a3dcd43e9eccbdb4ef598900ae252/sm2/x509.go#L2172-L2184
train
tjfoc/gmsm
sm2/x509.go
parseCSRExtensions
func parseCSRExtensions(rawAttributes []asn1.RawValue) ([]pkix.Extension, error) { // pkcs10Attribute reflects the Attribute structure from section 4.1 of // https://tools.ietf.org/html/rfc2986. type pkcs10Attribute struct { Id asn1.ObjectIdentifier Values []asn1.RawValue `asn1:"set"` } var ret []pkix.Extension for _, rawAttr := range rawAttributes { var attr pkcs10Attribute if rest, err := asn1.Unmarshal(rawAttr.FullBytes, &attr); err != nil || len(rest) != 0 || len(attr.Values) == 0 { // Ignore attributes that don't parse. continue } if !attr.Id.Equal(oidExtensionRequest) { continue } var extensions []pkix.Extension if _, err := asn1.Unmarshal(attr.Values[0].FullBytes, &extensions); err != nil { return nil, err } ret = append(ret, extensions...) } return ret, nil }
go
func parseCSRExtensions(rawAttributes []asn1.RawValue) ([]pkix.Extension, error) { // pkcs10Attribute reflects the Attribute structure from section 4.1 of // https://tools.ietf.org/html/rfc2986. type pkcs10Attribute struct { Id asn1.ObjectIdentifier Values []asn1.RawValue `asn1:"set"` } var ret []pkix.Extension for _, rawAttr := range rawAttributes { var attr pkcs10Attribute if rest, err := asn1.Unmarshal(rawAttr.FullBytes, &attr); err != nil || len(rest) != 0 || len(attr.Values) == 0 { // Ignore attributes that don't parse. continue } if !attr.Id.Equal(oidExtensionRequest) { continue } var extensions []pkix.Extension if _, err := asn1.Unmarshal(attr.Values[0].FullBytes, &extensions); err != nil { return nil, err } ret = append(ret, extensions...) } return ret, nil }
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// parseCSRExtensions parses the attributes from a CSR and extracts any // requested extensions.
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18fd8096dc8a3dcd43e9eccbdb4ef598900ae252
https://github.com/tjfoc/gmsm/blob/18fd8096dc8a3dcd43e9eccbdb4ef598900ae252/sm2/x509.go#L2188-L2216
train
tjfoc/gmsm
sm2/x509.go
ParseCertificateRequest
func ParseCertificateRequest(asn1Data []byte) (*CertificateRequest, error) { var csr certificateRequest rest, err := asn1.Unmarshal(asn1Data, &csr) if err != nil { return nil, err } else if len(rest) != 0 { return nil, asn1.SyntaxError{Msg: "trailing data"} } return parseCertificateRequest(&csr) }
go
func ParseCertificateRequest(asn1Data []byte) (*CertificateRequest, error) { var csr certificateRequest rest, err := asn1.Unmarshal(asn1Data, &csr) if err != nil { return nil, err } else if len(rest) != 0 { return nil, asn1.SyntaxError{Msg: "trailing data"} } return parseCertificateRequest(&csr) }
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// ParseCertificateRequest parses a single certificate request from the // given ASN.1 DER data.
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18fd8096dc8a3dcd43e9eccbdb4ef598900ae252
https://github.com/tjfoc/gmsm/blob/18fd8096dc8a3dcd43e9eccbdb4ef598900ae252/sm2/x509.go#L2382-L2393
train
tjfoc/gmsm
sm2/x509.go
CheckSignature
func (c *CertificateRequest) CheckSignature() error { return checkSignature(c.SignatureAlgorithm, c.RawTBSCertificateRequest, c.Signature, c.PublicKey) }
go
func (c *CertificateRequest) CheckSignature() error { return checkSignature(c.SignatureAlgorithm, c.RawTBSCertificateRequest, c.Signature, c.PublicKey) }
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// CheckSignature reports whether the signature on c is valid.
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18fd8096dc8a3dcd43e9eccbdb4ef598900ae252
https://github.com/tjfoc/gmsm/blob/18fd8096dc8a3dcd43e9eccbdb4ef598900ae252/sm2/x509.go#L2443-L2445
train
vmihailenco/msgpack
decode.go
NewDecoder
func NewDecoder(r io.Reader) *Decoder { d := &Decoder{ buf: makeBuffer(), } d.resetReader(r) return d }
go
func NewDecoder(r io.Reader) *Decoder { d := &Decoder{ buf: makeBuffer(), } d.resetReader(r) return d }
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// NewDecoder returns a new decoder that reads from r. // // The decoder introduces its own buffering and may read data from r // beyond the MessagePack values requested. Buffering can be disabled // by passing a reader that implements io.ByteScanner interface.
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5467b4fb032b68b160f4acce954153280cf5e05b
https://github.com/vmihailenco/msgpack/blob/5467b4fb032b68b160f4acce954153280cf5e05b/decode.go#L58-L64
train
vmihailenco/msgpack
decode.go
UseJSONTag
func (d *Decoder) UseJSONTag(v bool) *Decoder { d.useJSONTag = v return d }
go
func (d *Decoder) UseJSONTag(v bool) *Decoder { d.useJSONTag = v return d }
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// UseJSONTag causes the Decoder to use json struct tag as fallback option // if there is no msgpack tag.
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5467b4fb032b68b160f4acce954153280cf5e05b
https://github.com/vmihailenco/msgpack/blob/5467b4fb032b68b160f4acce954153280cf5e05b/decode.go#L79-L82
train
vmihailenco/msgpack
decode.go
Skip
func (d *Decoder) Skip() error { c, err := d.readCode() if err != nil { return err } if codes.IsFixedNum(c) { return nil } else if codes.IsFixedMap(c) { return d.skipMap(c) } else if codes.IsFixedArray(c) { return d.skipSlice(c) } else if codes.IsFixedString(c) { return d.skipBytes(c) } switch c { case codes.Nil, codes.False, codes.True: return nil case codes.Uint8, codes.Int8: return d.skipN(1) case codes.Uint16, codes.Int16: return d.skipN(2) case codes.Uint32, codes.Int32, codes.Float: return d.skipN(4) case codes.Uint64, codes.Int64, codes.Double: return d.skipN(8) case codes.Bin8, codes.Bin16, codes.Bin32: return d.skipBytes(c) case codes.Str8, codes.Str16, codes.Str32: return d.skipBytes(c) case codes.Array16, codes.Array32: return d.skipSlice(c) case codes.Map16, codes.Map32: return d.skipMap(c) case codes.FixExt1, codes.FixExt2, codes.FixExt4, codes.FixExt8, codes.FixExt16, codes.Ext8, codes.Ext16, codes.Ext32: return d.skipExt(c) } return fmt.Errorf("msgpack: unknown code %x", c) }
go
func (d *Decoder) Skip() error { c, err := d.readCode() if err != nil { return err } if codes.IsFixedNum(c) { return nil } else if codes.IsFixedMap(c) { return d.skipMap(c) } else if codes.IsFixedArray(c) { return d.skipSlice(c) } else if codes.IsFixedString(c) { return d.skipBytes(c) } switch c { case codes.Nil, codes.False, codes.True: return nil case codes.Uint8, codes.Int8: return d.skipN(1) case codes.Uint16, codes.Int16: return d.skipN(2) case codes.Uint32, codes.Int32, codes.Float: return d.skipN(4) case codes.Uint64, codes.Int64, codes.Double: return d.skipN(8) case codes.Bin8, codes.Bin16, codes.Bin32: return d.skipBytes(c) case codes.Str8, codes.Str16, codes.Str32: return d.skipBytes(c) case codes.Array16, codes.Array32: return d.skipSlice(c) case codes.Map16, codes.Map32: return d.skipMap(c) case codes.FixExt1, codes.FixExt2, codes.FixExt4, codes.FixExt8, codes.FixExt16, codes.Ext8, codes.Ext16, codes.Ext32: return d.skipExt(c) } return fmt.Errorf("msgpack: unknown code %x", c) }
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// Skip skips next value.
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5467b4fb032b68b160f4acce954153280cf5e05b
https://github.com/vmihailenco/msgpack/blob/5467b4fb032b68b160f4acce954153280cf5e05b/decode.go#L408-L449
train
vmihailenco/msgpack
decode_map.go
DecodeMapLen
func (d *Decoder) DecodeMapLen() (int, error) { c, err := d.readCode() if err != nil { return 0, err } if codes.IsExt(c) { if err = d.skipExtHeader(c); err != nil { return 0, err } c, err = d.readCode() if err != nil { return 0, err } } return d.mapLen(c) }
go
func (d *Decoder) DecodeMapLen() (int, error) { c, err := d.readCode() if err != nil { return 0, err } if codes.IsExt(c) { if err = d.skipExtHeader(c); err != nil { return 0, err } c, err = d.readCode() if err != nil { return 0, err } } return d.mapLen(c) }
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// DecodeMapLen decodes map length. Length is -1 when map is nil.
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5467b4fb032b68b160f4acce954153280cf5e05b
https://github.com/vmihailenco/msgpack/blob/5467b4fb032b68b160f4acce954153280cf5e05b/decode_map.go#L66-L83
train
vmihailenco/msgpack
encode.go
StructAsArray
func (e *Encoder) StructAsArray(flag bool) *Encoder { e.structAsArray = flag return e }
go
func (e *Encoder) StructAsArray(flag bool) *Encoder { e.structAsArray = flag return e }
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// StructAsArray causes the Encoder to encode Go structs as MessagePack arrays.
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5467b4fb032b68b160f4acce954153280cf5e05b
https://github.com/vmihailenco/msgpack/blob/5467b4fb032b68b160f4acce954153280cf5e05b/encode.go#L91-L94
train
vmihailenco/msgpack
encode.go
UseJSONTag
func (e *Encoder) UseJSONTag(flag bool) *Encoder { e.useJSONTag = flag return e }
go
func (e *Encoder) UseJSONTag(flag bool) *Encoder { e.useJSONTag = flag return e }
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// UseJSONTag causes the Encoder to use json struct tag as fallback option // if there is no msgpack tag.
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5467b4fb032b68b160f4acce954153280cf5e05b
https://github.com/vmihailenco/msgpack/blob/5467b4fb032b68b160f4acce954153280cf5e05b/encode.go#L98-L101
train
vmihailenco/msgpack
encode.go
UseCompactEncoding
func (e *Encoder) UseCompactEncoding(flag bool) *Encoder { e.useCompact = flag return e }
go
func (e *Encoder) UseCompactEncoding(flag bool) *Encoder { e.useCompact = flag return e }
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// UseCompactEncoding causes the Encoder to chose the most compact encoding. // For example, it allows to encode Go int64 as msgpack int8 saving 7 bytes.
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5467b4fb032b68b160f4acce954153280cf5e05b
https://github.com/vmihailenco/msgpack/blob/5467b4fb032b68b160f4acce954153280cf5e05b/encode.go#L105-L108
train
vmihailenco/msgpack
decode_slice.go
DecodeArrayLen
func (d *Decoder) DecodeArrayLen() (int, error) { c, err := d.readCode() if err != nil { return 0, err } return d.arrayLen(c) }
go
func (d *Decoder) DecodeArrayLen() (int, error) { c, err := d.readCode() if err != nil { return 0, err } return d.arrayLen(c) }
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// DecodeArrayLen decodes array length. Length is -1 when array is nil.
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5467b4fb032b68b160f4acce954153280cf5e05b
https://github.com/vmihailenco/msgpack/blob/5467b4fb032b68b160f4acce954153280cf5e05b/decode_slice.go#L15-L21
train
vmihailenco/msgpack
encode_number.go
EncodeUint8
func (e *Encoder) EncodeUint8(n uint8) error { return e.write1(codes.Uint8, n) }
go
func (e *Encoder) EncodeUint8(n uint8) error { return e.write1(codes.Uint8, n) }
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// EncodeUint8 encodes an uint8 in 2 bytes preserving type of the number.
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5467b4fb032b68b160f4acce954153280cf5e05b
https://github.com/vmihailenco/msgpack/blob/5467b4fb032b68b160f4acce954153280cf5e05b/encode_number.go#L11-L13
train
vmihailenco/msgpack
encode_number.go
EncodeUint16
func (e *Encoder) EncodeUint16(n uint16) error { return e.write2(codes.Uint16, n) }
go
func (e *Encoder) EncodeUint16(n uint16) error { return e.write2(codes.Uint16, n) }
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// EncodeUint16 encodes an uint16 in 3 bytes preserving type of the number.
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5467b4fb032b68b160f4acce954153280cf5e05b
https://github.com/vmihailenco/msgpack/blob/5467b4fb032b68b160f4acce954153280cf5e05b/encode_number.go#L23-L25
train
vmihailenco/msgpack
encode_number.go
EncodeUint32
func (e *Encoder) EncodeUint32(n uint32) error { return e.write4(codes.Uint32, n) }
go
func (e *Encoder) EncodeUint32(n uint32) error { return e.write4(codes.Uint32, n) }
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// EncodeUint32 encodes an uint16 in 5 bytes preserving type of the number.
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5467b4fb032b68b160f4acce954153280cf5e05b
https://github.com/vmihailenco/msgpack/blob/5467b4fb032b68b160f4acce954153280cf5e05b/encode_number.go#L35-L37
train
vmihailenco/msgpack
encode_number.go
EncodeUint64
func (e *Encoder) EncodeUint64(n uint64) error { return e.write8(codes.Uint64, n) }
go
func (e *Encoder) EncodeUint64(n uint64) error { return e.write8(codes.Uint64, n) }
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// EncodeUint64 encodes an uint16 in 9 bytes preserving type of the number.
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5467b4fb032b68b160f4acce954153280cf5e05b
https://github.com/vmihailenco/msgpack/blob/5467b4fb032b68b160f4acce954153280cf5e05b/encode_number.go#L47-L49
train
vmihailenco/msgpack
encode_number.go
EncodeInt8
func (e *Encoder) EncodeInt8(n int8) error { return e.write1(codes.Int8, uint8(n)) }
go
func (e *Encoder) EncodeInt8(n int8) error { return e.write1(codes.Int8, uint8(n)) }
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// EncodeInt8 encodes an int8 in 2 bytes preserving type of the number.
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5467b4fb032b68b160f4acce954153280cf5e05b
https://github.com/vmihailenco/msgpack/blob/5467b4fb032b68b160f4acce954153280cf5e05b/encode_number.go#L59-L61
train
vmihailenco/msgpack
encode_number.go
EncodeInt16
func (e *Encoder) EncodeInt16(n int16) error { return e.write2(codes.Int16, uint16(n)) }
go
func (e *Encoder) EncodeInt16(n int16) error { return e.write2(codes.Int16, uint16(n)) }
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// EncodeInt16 encodes an int16 in 3 bytes preserving type of the number.
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5467b4fb032b68b160f4acce954153280cf5e05b
https://github.com/vmihailenco/msgpack/blob/5467b4fb032b68b160f4acce954153280cf5e05b/encode_number.go#L71-L73
train
vmihailenco/msgpack
encode_number.go
EncodeInt32
func (e *Encoder) EncodeInt32(n int32) error { return e.write4(codes.Int32, uint32(n)) }
go
func (e *Encoder) EncodeInt32(n int32) error { return e.write4(codes.Int32, uint32(n)) }
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// EncodeInt32 encodes an int32 in 5 bytes preserving type of the number.
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5467b4fb032b68b160f4acce954153280cf5e05b
https://github.com/vmihailenco/msgpack/blob/5467b4fb032b68b160f4acce954153280cf5e05b/encode_number.go#L83-L85
train
vmihailenco/msgpack
encode_number.go
EncodeInt64
func (e *Encoder) EncodeInt64(n int64) error { return e.write8(codes.Int64, uint64(n)) }
go
func (e *Encoder) EncodeInt64(n int64) error { return e.write8(codes.Int64, uint64(n)) }
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// EncodeInt64 encodes an int64 in 9 bytes preserving type of the number.
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5467b4fb032b68b160f4acce954153280cf5e05b
https://github.com/vmihailenco/msgpack/blob/5467b4fb032b68b160f4acce954153280cf5e05b/encode_number.go#L95-L97
train
vmihailenco/msgpack
encode_number.go
EncodeUint
func (e *Encoder) EncodeUint(n uint64) error { if n <= math.MaxInt8 { return e.w.WriteByte(byte(n)) } if n <= math.MaxUint8 { return e.EncodeUint8(uint8(n)) } if n <= math.MaxUint16 { return e.EncodeUint16(uint16(n)) } if n <= math.MaxUint32 { return e.EncodeUint32(uint32(n)) } return e.EncodeUint64(uint64(n)) }
go
func (e *Encoder) EncodeUint(n uint64) error { if n <= math.MaxInt8 { return e.w.WriteByte(byte(n)) } if n <= math.MaxUint8 { return e.EncodeUint8(uint8(n)) } if n <= math.MaxUint16 { return e.EncodeUint16(uint16(n)) } if n <= math.MaxUint32 { return e.EncodeUint32(uint32(n)) } return e.EncodeUint64(uint64(n)) }
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// EncodeUnsignedNumber encodes an uint64 in 1, 2, 3, 5, or 9 bytes. // Type of the number is lost during encoding.
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5467b4fb032b68b160f4acce954153280cf5e05b
https://github.com/vmihailenco/msgpack/blob/5467b4fb032b68b160f4acce954153280cf5e05b/encode_number.go#L108-L122
train
vmihailenco/msgpack
encode_number.go
EncodeInt
func (e *Encoder) EncodeInt(n int64) error { if n >= 0 { return e.EncodeUint(uint64(n)) } if n >= int64(int8(codes.NegFixedNumLow)) { return e.w.WriteByte(byte(n)) } if n >= math.MinInt8 { return e.EncodeInt8(int8(n)) } if n >= math.MinInt16 { return e.EncodeInt16(int16(n)) } if n >= math.MinInt32 { return e.EncodeInt32(int32(n)) } return e.EncodeInt64(int64(n)) }
go
func (e *Encoder) EncodeInt(n int64) error { if n >= 0 { return e.EncodeUint(uint64(n)) } if n >= int64(int8(codes.NegFixedNumLow)) { return e.w.WriteByte(byte(n)) } if n >= math.MinInt8 { return e.EncodeInt8(int8(n)) } if n >= math.MinInt16 { return e.EncodeInt16(int16(n)) } if n >= math.MinInt32 { return e.EncodeInt32(int32(n)) } return e.EncodeInt64(int64(n)) }
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// EncodeNumber encodes an int64 in 1, 2, 3, 5, or 9 bytes. // Type of number is lost during encoding.
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5467b4fb032b68b160f4acce954153280cf5e05b
https://github.com/vmihailenco/msgpack/blob/5467b4fb032b68b160f4acce954153280cf5e05b/encode_number.go#L126-L143
train
vmihailenco/msgpack
ext.go
RegisterExt
func RegisterExt(id int8, value interface{}) { typ := reflect.TypeOf(value) if typ.Kind() == reflect.Ptr { typ = typ.Elem() } ptr := reflect.PtrTo(typ) if _, ok := extTypes[id]; ok { panic(fmt.Errorf("msgpack: ext with id=%d is already registered", id)) } registerExt(id, ptr, getEncoder(ptr), getDecoder(ptr)) registerExt(id, typ, getEncoder(typ), getDecoder(typ)) }
go
func RegisterExt(id int8, value interface{}) { typ := reflect.TypeOf(value) if typ.Kind() == reflect.Ptr { typ = typ.Elem() } ptr := reflect.PtrTo(typ) if _, ok := extTypes[id]; ok { panic(fmt.Errorf("msgpack: ext with id=%d is already registered", id)) } registerExt(id, ptr, getEncoder(ptr), getDecoder(ptr)) registerExt(id, typ, getEncoder(typ), getDecoder(typ)) }
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// RegisterExt records a type, identified by a value for that type, // under the provided id. That id will identify the concrete type of a value // sent or received as an interface variable. Only types that will be // transferred as implementations of interface values need to be registered. // Expecting to be used only during initialization, it panics if the mapping // between types and ids is not a bijection.
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5467b4fb032b68b160f4acce954153280cf5e05b
https://github.com/vmihailenco/msgpack/blob/5467b4fb032b68b160f4acce954153280cf5e05b/ext.go#L31-L44
train
minio/minio-go
bucket-notification.go
NewArn
func NewArn(partition, service, region, accountID, resource string) Arn { return Arn{Partition: partition, Service: service, Region: region, AccountID: accountID, Resource: resource} }
go
func NewArn(partition, service, region, accountID, resource string) Arn { return Arn{Partition: partition, Service: service, Region: region, AccountID: accountID, Resource: resource} }
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// NewArn creates new ARN based on the given partition, service, region, account id and resource
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68eef499b4c530409962a5d1a12fa8c848587761
https://github.com/minio/minio-go/blob/68eef499b4c530409962a5d1a12fa8c848587761/bucket-notification.go#L76-L82
train
minio/minio-go
bucket-notification.go
String
func (arn Arn) String() string { return "arn:" + arn.Partition + ":" + arn.Service + ":" + arn.Region + ":" + arn.AccountID + ":" + arn.Resource }
go
func (arn Arn) String() string { return "arn:" + arn.Partition + ":" + arn.Service + ":" + arn.Region + ":" + arn.AccountID + ":" + arn.Resource }
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// Return the string format of the ARN
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68eef499b4c530409962a5d1a12fa8c848587761
https://github.com/minio/minio-go/blob/68eef499b4c530409962a5d1a12fa8c848587761/bucket-notification.go#L85-L87
train
minio/minio-go
bucket-notification.go
AddEvents
func (t *NotificationConfig) AddEvents(events ...NotificationEventType) { t.Events = append(t.Events, events...) }
go
func (t *NotificationConfig) AddEvents(events ...NotificationEventType) { t.Events = append(t.Events, events...) }
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// AddEvents adds one event to the current notification config
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68eef499b4c530409962a5d1a12fa8c848587761
https://github.com/minio/minio-go/blob/68eef499b4c530409962a5d1a12fa8c848587761/bucket-notification.go#L104-L106
train
minio/minio-go
bucket-notification.go
AddFilterSuffix
func (t *NotificationConfig) AddFilterSuffix(suffix string) { if t.Filter == nil { t.Filter = &Filter{} } newFilterRule := FilterRule{Name: "suffix", Value: suffix} // Replace any suffix rule if existing and add to the list otherwise for index := range t.Filter.S3Key.FilterRules { if t.Filter.S3Key.FilterRules[index].Name == "suffix" { t.Filter.S3Key.FilterRules[index] = newFilterRule return } } t.Filter.S3Key.FilterRules = append(t.Filter.S3Key.FilterRules, newFilterRule) }
go
func (t *NotificationConfig) AddFilterSuffix(suffix string) { if t.Filter == nil { t.Filter = &Filter{} } newFilterRule := FilterRule{Name: "suffix", Value: suffix} // Replace any suffix rule if existing and add to the list otherwise for index := range t.Filter.S3Key.FilterRules { if t.Filter.S3Key.FilterRules[index].Name == "suffix" { t.Filter.S3Key.FilterRules[index] = newFilterRule return } } t.Filter.S3Key.FilterRules = append(t.Filter.S3Key.FilterRules, newFilterRule) }
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// AddFilterSuffix sets the suffix configuration to the current notification config
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68eef499b4c530409962a5d1a12fa8c848587761
https://github.com/minio/minio-go/blob/68eef499b4c530409962a5d1a12fa8c848587761/bucket-notification.go#L109-L122
train
minio/minio-go
bucket-notification.go
AddFilterPrefix
func (t *NotificationConfig) AddFilterPrefix(prefix string) { if t.Filter == nil { t.Filter = &Filter{} } newFilterRule := FilterRule{Name: "prefix", Value: prefix} // Replace any prefix rule if existing and add to the list otherwise for index := range t.Filter.S3Key.FilterRules { if t.Filter.S3Key.FilterRules[index].Name == "prefix" { t.Filter.S3Key.FilterRules[index] = newFilterRule return } } t.Filter.S3Key.FilterRules = append(t.Filter.S3Key.FilterRules, newFilterRule) }
go
func (t *NotificationConfig) AddFilterPrefix(prefix string) { if t.Filter == nil { t.Filter = &Filter{} } newFilterRule := FilterRule{Name: "prefix", Value: prefix} // Replace any prefix rule if existing and add to the list otherwise for index := range t.Filter.S3Key.FilterRules { if t.Filter.S3Key.FilterRules[index].Name == "prefix" { t.Filter.S3Key.FilterRules[index] = newFilterRule return } } t.Filter.S3Key.FilterRules = append(t.Filter.S3Key.FilterRules, newFilterRule) }
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// AddFilterPrefix sets the prefix configuration to the current notification config
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68eef499b4c530409962a5d1a12fa8c848587761
https://github.com/minio/minio-go/blob/68eef499b4c530409962a5d1a12fa8c848587761/bucket-notification.go#L125-L138
train
minio/minio-go
bucket-notification.go
AddTopic
func (b *BucketNotification) AddTopic(topicConfig NotificationConfig) bool { newTopicConfig := TopicConfig{NotificationConfig: topicConfig, Topic: topicConfig.Arn.String()} for _, n := range b.TopicConfigs { // If new config matches existing one if n.Topic == newTopicConfig.Arn.String() && newTopicConfig.Filter == n.Filter { existingConfig := set.NewStringSet() for _, v := range n.Events { existingConfig.Add(string(v)) } newConfig := set.NewStringSet() for _, v := range topicConfig.Events { newConfig.Add(string(v)) } if !newConfig.Intersection(existingConfig).IsEmpty() { return false } } } b.TopicConfigs = append(b.TopicConfigs, newTopicConfig) return true }
go
func (b *BucketNotification) AddTopic(topicConfig NotificationConfig) bool { newTopicConfig := TopicConfig{NotificationConfig: topicConfig, Topic: topicConfig.Arn.String()} for _, n := range b.TopicConfigs { // If new config matches existing one if n.Topic == newTopicConfig.Arn.String() && newTopicConfig.Filter == n.Filter { existingConfig := set.NewStringSet() for _, v := range n.Events { existingConfig.Add(string(v)) } newConfig := set.NewStringSet() for _, v := range topicConfig.Events { newConfig.Add(string(v)) } if !newConfig.Intersection(existingConfig).IsEmpty() { return false } } } b.TopicConfigs = append(b.TopicConfigs, newTopicConfig) return true }
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// AddTopic adds a given topic config to the general bucket notification config
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68eef499b4c530409962a5d1a12fa8c848587761
https://github.com/minio/minio-go/blob/68eef499b4c530409962a5d1a12fa8c848587761/bucket-notification.go#L167-L190
train
minio/minio-go
bucket-notification.go
AddQueue
func (b *BucketNotification) AddQueue(queueConfig NotificationConfig) bool { newQueueConfig := QueueConfig{NotificationConfig: queueConfig, Queue: queueConfig.Arn.String()} for _, n := range b.QueueConfigs { if n.Queue == newQueueConfig.Arn.String() && newQueueConfig.Filter == n.Filter { existingConfig := set.NewStringSet() for _, v := range n.Events { existingConfig.Add(string(v)) } newConfig := set.NewStringSet() for _, v := range queueConfig.Events { newConfig.Add(string(v)) } if !newConfig.Intersection(existingConfig).IsEmpty() { return false } } } b.QueueConfigs = append(b.QueueConfigs, newQueueConfig) return true }
go
func (b *BucketNotification) AddQueue(queueConfig NotificationConfig) bool { newQueueConfig := QueueConfig{NotificationConfig: queueConfig, Queue: queueConfig.Arn.String()} for _, n := range b.QueueConfigs { if n.Queue == newQueueConfig.Arn.String() && newQueueConfig.Filter == n.Filter { existingConfig := set.NewStringSet() for _, v := range n.Events { existingConfig.Add(string(v)) } newConfig := set.NewStringSet() for _, v := range queueConfig.Events { newConfig.Add(string(v)) } if !newConfig.Intersection(existingConfig).IsEmpty() { return false } } } b.QueueConfigs = append(b.QueueConfigs, newQueueConfig) return true }
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// AddQueue adds a given queue config to the general bucket notification config
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68eef499b4c530409962a5d1a12fa8c848587761
https://github.com/minio/minio-go/blob/68eef499b4c530409962a5d1a12fa8c848587761/bucket-notification.go#L193-L215
train
minio/minio-go
bucket-notification.go
AddLambda
func (b *BucketNotification) AddLambda(lambdaConfig NotificationConfig) bool { newLambdaConfig := LambdaConfig{NotificationConfig: lambdaConfig, Lambda: lambdaConfig.Arn.String()} for _, n := range b.LambdaConfigs { if n.Lambda == newLambdaConfig.Arn.String() && newLambdaConfig.Filter == n.Filter { existingConfig := set.NewStringSet() for _, v := range n.Events { existingConfig.Add(string(v)) } newConfig := set.NewStringSet() for _, v := range lambdaConfig.Events { newConfig.Add(string(v)) } if !newConfig.Intersection(existingConfig).IsEmpty() { return false } } } b.LambdaConfigs = append(b.LambdaConfigs, newLambdaConfig) return true }
go
func (b *BucketNotification) AddLambda(lambdaConfig NotificationConfig) bool { newLambdaConfig := LambdaConfig{NotificationConfig: lambdaConfig, Lambda: lambdaConfig.Arn.String()} for _, n := range b.LambdaConfigs { if n.Lambda == newLambdaConfig.Arn.String() && newLambdaConfig.Filter == n.Filter { existingConfig := set.NewStringSet() for _, v := range n.Events { existingConfig.Add(string(v)) } newConfig := set.NewStringSet() for _, v := range lambdaConfig.Events { newConfig.Add(string(v)) } if !newConfig.Intersection(existingConfig).IsEmpty() { return false } } } b.LambdaConfigs = append(b.LambdaConfigs, newLambdaConfig) return true }
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// AddLambda adds a given lambda config to the general bucket notification config
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68eef499b4c530409962a5d1a12fa8c848587761
https://github.com/minio/minio-go/blob/68eef499b4c530409962a5d1a12fa8c848587761/bucket-notification.go#L218-L240
train
minio/minio-go
bucket-notification.go
RemoveTopicByArn
func (b *BucketNotification) RemoveTopicByArn(arn Arn) { var topics []TopicConfig for _, topic := range b.TopicConfigs { if topic.Topic != arn.String() { topics = append(topics, topic) } } b.TopicConfigs = topics }
go
func (b *BucketNotification) RemoveTopicByArn(arn Arn) { var topics []TopicConfig for _, topic := range b.TopicConfigs { if topic.Topic != arn.String() { topics = append(topics, topic) } } b.TopicConfigs = topics }
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// RemoveTopicByArn removes all topic configurations that match the exact specified ARN
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68eef499b4c530409962a5d1a12fa8c848587761
https://github.com/minio/minio-go/blob/68eef499b4c530409962a5d1a12fa8c848587761/bucket-notification.go#L243-L251
train
minio/minio-go
bucket-notification.go
RemoveQueueByArn
func (b *BucketNotification) RemoveQueueByArn(arn Arn) { var queues []QueueConfig for _, queue := range b.QueueConfigs { if queue.Queue != arn.String() { queues = append(queues, queue) } } b.QueueConfigs = queues }
go
func (b *BucketNotification) RemoveQueueByArn(arn Arn) { var queues []QueueConfig for _, queue := range b.QueueConfigs { if queue.Queue != arn.String() { queues = append(queues, queue) } } b.QueueConfigs = queues }
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// RemoveQueueByArn removes all queue configurations that match the exact specified ARN
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68eef499b4c530409962a5d1a12fa8c848587761
https://github.com/minio/minio-go/blob/68eef499b4c530409962a5d1a12fa8c848587761/bucket-notification.go#L254-L262
train
minio/minio-go
bucket-notification.go
RemoveLambdaByArn
func (b *BucketNotification) RemoveLambdaByArn(arn Arn) { var lambdas []LambdaConfig for _, lambda := range b.LambdaConfigs { if lambda.Lambda != arn.String() { lambdas = append(lambdas, lambda) } } b.LambdaConfigs = lambdas }
go
func (b *BucketNotification) RemoveLambdaByArn(arn Arn) { var lambdas []LambdaConfig for _, lambda := range b.LambdaConfigs { if lambda.Lambda != arn.String() { lambdas = append(lambdas, lambda) } } b.LambdaConfigs = lambdas }
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// RemoveLambdaByArn removes all lambda configurations that match the exact specified ARN
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68eef499b4c530409962a5d1a12fa8c848587761
https://github.com/minio/minio-go/blob/68eef499b4c530409962a5d1a12fa8c848587761/bucket-notification.go#L265-L273
train
minio/minio-go
retry.go
newRetryTimer
func (c Client) newRetryTimer(maxRetry int, unit time.Duration, cap time.Duration, jitter float64, doneCh chan struct{}) <-chan int { attemptCh := make(chan int) // computes the exponential backoff duration according to // https://www.awsarchitectureblog.com/2015/03/backoff.html exponentialBackoffWait := func(attempt int) time.Duration { // normalize jitter to the range [0, 1.0] if jitter < NoJitter { jitter = NoJitter } if jitter > MaxJitter { jitter = MaxJitter } //sleep = random_between(0, min(cap, base * 2 ** attempt)) sleep := unit * time.Duration(1<<uint(attempt)) if sleep > cap { sleep = cap } if jitter != NoJitter { sleep -= time.Duration(c.random.Float64() * float64(sleep) * jitter) } return sleep } go func() { defer close(attemptCh) for i := 0; i < maxRetry; i++ { select { // Attempts start from 1. case attemptCh <- i + 1: case <-doneCh: // Stop the routine. return } time.Sleep(exponentialBackoffWait(i)) } }() return attemptCh }
go
func (c Client) newRetryTimer(maxRetry int, unit time.Duration, cap time.Duration, jitter float64, doneCh chan struct{}) <-chan int { attemptCh := make(chan int) // computes the exponential backoff duration according to // https://www.awsarchitectureblog.com/2015/03/backoff.html exponentialBackoffWait := func(attempt int) time.Duration { // normalize jitter to the range [0, 1.0] if jitter < NoJitter { jitter = NoJitter } if jitter > MaxJitter { jitter = MaxJitter } //sleep = random_between(0, min(cap, base * 2 ** attempt)) sleep := unit * time.Duration(1<<uint(attempt)) if sleep > cap { sleep = cap } if jitter != NoJitter { sleep -= time.Duration(c.random.Float64() * float64(sleep) * jitter) } return sleep } go func() { defer close(attemptCh) for i := 0; i < maxRetry; i++ { select { // Attempts start from 1. case attemptCh <- i + 1: case <-doneCh: // Stop the routine. return } time.Sleep(exponentialBackoffWait(i)) } }() return attemptCh }
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// newRetryTimer creates a timer with exponentially increasing // delays until the maximum retry attempts are reached.
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68eef499b4c530409962a5d1a12fa8c848587761
https://github.com/minio/minio-go/blob/68eef499b4c530409962a5d1a12fa8c848587761/retry.go#L47-L86
train
minio/minio-go
retry.go
isS3CodeRetryable
func isS3CodeRetryable(s3Code string) (ok bool) { _, ok = retryableS3Codes[s3Code] return ok }
go
func isS3CodeRetryable(s3Code string) (ok bool) { _, ok = retryableS3Codes[s3Code] return ok }
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// isS3CodeRetryable - is s3 error code retryable.
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68eef499b4c530409962a5d1a12fa8c848587761
https://github.com/minio/minio-go/blob/68eef499b4c530409962a5d1a12fa8c848587761/retry.go#L135-L138
train
minio/minio-go
retry.go
isHTTPStatusRetryable
func isHTTPStatusRetryable(httpStatusCode int) (ok bool) { _, ok = retryableHTTPStatusCodes[httpStatusCode] return ok }
go
func isHTTPStatusRetryable(httpStatusCode int) (ok bool) { _, ok = retryableHTTPStatusCodes[httpStatusCode] return ok }
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// isHTTPStatusRetryable - is HTTP error code retryable.
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68eef499b4c530409962a5d1a12fa8c848587761
https://github.com/minio/minio-go/blob/68eef499b4c530409962a5d1a12fa8c848587761/retry.go#L150-L153
train
minio/minio-go
api-put-object-multipart.go
initiateMultipartUpload
func (c Client) initiateMultipartUpload(ctx context.Context, bucketName, objectName string, opts PutObjectOptions) (initiateMultipartUploadResult, error) { // Input validation. if err := s3utils.CheckValidBucketName(bucketName); err != nil { return initiateMultipartUploadResult{}, err } if err := s3utils.CheckValidObjectName(objectName); err != nil { return initiateMultipartUploadResult{}, err } // Initialize url queries. urlValues := make(url.Values) urlValues.Set("uploads", "") // Set ContentType header. customHeader := opts.Header() reqMetadata := requestMetadata{ bucketName: bucketName, objectName: objectName, queryValues: urlValues, customHeader: customHeader, } // Execute POST on an objectName to initiate multipart upload. resp, err := c.executeMethod(ctx, "POST", reqMetadata) defer closeResponse(resp) if err != nil { return initiateMultipartUploadResult{}, err } if resp != nil { if resp.StatusCode != http.StatusOK { return initiateMultipartUploadResult{}, httpRespToErrorResponse(resp, bucketName, objectName) } } // Decode xml for new multipart upload. initiateMultipartUploadResult := initiateMultipartUploadResult{} err = xmlDecoder(resp.Body, &initiateMultipartUploadResult) if err != nil { return initiateMultipartUploadResult, err } return initiateMultipartUploadResult, nil }
go
func (c Client) initiateMultipartUpload(ctx context.Context, bucketName, objectName string, opts PutObjectOptions) (initiateMultipartUploadResult, error) { // Input validation. if err := s3utils.CheckValidBucketName(bucketName); err != nil { return initiateMultipartUploadResult{}, err } if err := s3utils.CheckValidObjectName(objectName); err != nil { return initiateMultipartUploadResult{}, err } // Initialize url queries. urlValues := make(url.Values) urlValues.Set("uploads", "") // Set ContentType header. customHeader := opts.Header() reqMetadata := requestMetadata{ bucketName: bucketName, objectName: objectName, queryValues: urlValues, customHeader: customHeader, } // Execute POST on an objectName to initiate multipart upload. resp, err := c.executeMethod(ctx, "POST", reqMetadata) defer closeResponse(resp) if err != nil { return initiateMultipartUploadResult{}, err } if resp != nil { if resp.StatusCode != http.StatusOK { return initiateMultipartUploadResult{}, httpRespToErrorResponse(resp, bucketName, objectName) } } // Decode xml for new multipart upload. initiateMultipartUploadResult := initiateMultipartUploadResult{} err = xmlDecoder(resp.Body, &initiateMultipartUploadResult) if err != nil { return initiateMultipartUploadResult, err } return initiateMultipartUploadResult, nil }
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// initiateMultipartUpload - Initiates a multipart upload and returns an upload ID.
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68eef499b4c530409962a5d1a12fa8c848587761
https://github.com/minio/minio-go/blob/68eef499b4c530409962a5d1a12fa8c848587761/api-put-object-multipart.go#L187-L228
train
minio/minio-go
api-put-object-multipart.go
uploadPart
func (c Client) uploadPart(ctx context.Context, bucketName, objectName, uploadID string, reader io.Reader, partNumber int, md5Base64, sha256Hex string, size int64, sse encrypt.ServerSide) (ObjectPart, error) { // Input validation. if err := s3utils.CheckValidBucketName(bucketName); err != nil { return ObjectPart{}, err } if err := s3utils.CheckValidObjectName(objectName); err != nil { return ObjectPart{}, err } if size > maxPartSize { return ObjectPart{}, ErrEntityTooLarge(size, maxPartSize, bucketName, objectName) } if size <= -1 { return ObjectPart{}, ErrEntityTooSmall(size, bucketName, objectName) } if partNumber <= 0 { return ObjectPart{}, ErrInvalidArgument("Part number cannot be negative or equal to zero.") } if uploadID == "" { return ObjectPart{}, ErrInvalidArgument("UploadID cannot be empty.") } // Get resources properly escaped and lined up before using them in http request. urlValues := make(url.Values) // Set part number. urlValues.Set("partNumber", strconv.Itoa(partNumber)) // Set upload id. urlValues.Set("uploadId", uploadID) // Set encryption headers, if any. customHeader := make(http.Header) // https://docs.aws.amazon.com/AmazonS3/latest/API/mpUploadUploadPart.html // Server-side encryption is supported by the S3 Multipart Upload actions. // Unless you are using a customer-provided encryption key, you don't need // to specify the encryption parameters in each UploadPart request. if sse != nil && sse.Type() == encrypt.SSEC { sse.Marshal(customHeader) } reqMetadata := requestMetadata{ bucketName: bucketName, objectName: objectName, queryValues: urlValues, customHeader: customHeader, contentBody: reader, contentLength: size, contentMD5Base64: md5Base64, contentSHA256Hex: sha256Hex, } // Execute PUT on each part. resp, err := c.executeMethod(ctx, "PUT", reqMetadata) defer closeResponse(resp) if err != nil { return ObjectPart{}, err } if resp != nil { if resp.StatusCode != http.StatusOK { return ObjectPart{}, httpRespToErrorResponse(resp, bucketName, objectName) } } // Once successfully uploaded, return completed part. objPart := ObjectPart{} objPart.Size = size objPart.PartNumber = partNumber // Trim off the odd double quotes from ETag in the beginning and end. objPart.ETag = strings.TrimPrefix(resp.Header.Get("ETag"), "\"") objPart.ETag = strings.TrimSuffix(objPart.ETag, "\"") return objPart, nil }
go
func (c Client) uploadPart(ctx context.Context, bucketName, objectName, uploadID string, reader io.Reader, partNumber int, md5Base64, sha256Hex string, size int64, sse encrypt.ServerSide) (ObjectPart, error) { // Input validation. if err := s3utils.CheckValidBucketName(bucketName); err != nil { return ObjectPart{}, err } if err := s3utils.CheckValidObjectName(objectName); err != nil { return ObjectPart{}, err } if size > maxPartSize { return ObjectPart{}, ErrEntityTooLarge(size, maxPartSize, bucketName, objectName) } if size <= -1 { return ObjectPart{}, ErrEntityTooSmall(size, bucketName, objectName) } if partNumber <= 0 { return ObjectPart{}, ErrInvalidArgument("Part number cannot be negative or equal to zero.") } if uploadID == "" { return ObjectPart{}, ErrInvalidArgument("UploadID cannot be empty.") } // Get resources properly escaped and lined up before using them in http request. urlValues := make(url.Values) // Set part number. urlValues.Set("partNumber", strconv.Itoa(partNumber)) // Set upload id. urlValues.Set("uploadId", uploadID) // Set encryption headers, if any. customHeader := make(http.Header) // https://docs.aws.amazon.com/AmazonS3/latest/API/mpUploadUploadPart.html // Server-side encryption is supported by the S3 Multipart Upload actions. // Unless you are using a customer-provided encryption key, you don't need // to specify the encryption parameters in each UploadPart request. if sse != nil && sse.Type() == encrypt.SSEC { sse.Marshal(customHeader) } reqMetadata := requestMetadata{ bucketName: bucketName, objectName: objectName, queryValues: urlValues, customHeader: customHeader, contentBody: reader, contentLength: size, contentMD5Base64: md5Base64, contentSHA256Hex: sha256Hex, } // Execute PUT on each part. resp, err := c.executeMethod(ctx, "PUT", reqMetadata) defer closeResponse(resp) if err != nil { return ObjectPart{}, err } if resp != nil { if resp.StatusCode != http.StatusOK { return ObjectPart{}, httpRespToErrorResponse(resp, bucketName, objectName) } } // Once successfully uploaded, return completed part. objPart := ObjectPart{} objPart.Size = size objPart.PartNumber = partNumber // Trim off the odd double quotes from ETag in the beginning and end. objPart.ETag = strings.TrimPrefix(resp.Header.Get("ETag"), "\"") objPart.ETag = strings.TrimSuffix(objPart.ETag, "\"") return objPart, nil }
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// uploadPart - Uploads a part in a multipart upload.
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68eef499b4c530409962a5d1a12fa8c848587761
https://github.com/minio/minio-go/blob/68eef499b4c530409962a5d1a12fa8c848587761/api-put-object-multipart.go#L231-L300
train
minio/minio-go
api-put-object-multipart.go
completeMultipartUpload
func (c Client) completeMultipartUpload(ctx context.Context, bucketName, objectName, uploadID string, complete completeMultipartUpload) (completeMultipartUploadResult, error) { // Input validation. if err := s3utils.CheckValidBucketName(bucketName); err != nil { return completeMultipartUploadResult{}, err } if err := s3utils.CheckValidObjectName(objectName); err != nil { return completeMultipartUploadResult{}, err } // Initialize url queries. urlValues := make(url.Values) urlValues.Set("uploadId", uploadID) // Marshal complete multipart body. completeMultipartUploadBytes, err := xml.Marshal(complete) if err != nil { return completeMultipartUploadResult{}, err } // Instantiate all the complete multipart buffer. completeMultipartUploadBuffer := bytes.NewReader(completeMultipartUploadBytes) reqMetadata := requestMetadata{ bucketName: bucketName, objectName: objectName, queryValues: urlValues, contentBody: completeMultipartUploadBuffer, contentLength: int64(len(completeMultipartUploadBytes)), contentSHA256Hex: sum256Hex(completeMultipartUploadBytes), } // Execute POST to complete multipart upload for an objectName. resp, err := c.executeMethod(ctx, "POST", reqMetadata) defer closeResponse(resp) if err != nil { return completeMultipartUploadResult{}, err } if resp != nil { if resp.StatusCode != http.StatusOK { return completeMultipartUploadResult{}, httpRespToErrorResponse(resp, bucketName, objectName) } } // Read resp.Body into a []bytes to parse for Error response inside the body var b []byte b, err = ioutil.ReadAll(resp.Body) if err != nil { return completeMultipartUploadResult{}, err } // Decode completed multipart upload response on success. completeMultipartUploadResult := completeMultipartUploadResult{} err = xmlDecoder(bytes.NewReader(b), &completeMultipartUploadResult) if err != nil { // xml parsing failure due to presence an ill-formed xml fragment return completeMultipartUploadResult, err } else if completeMultipartUploadResult.Bucket == "" { // xml's Decode method ignores well-formed xml that don't apply to the type of value supplied. // In this case, it would leave completeMultipartUploadResult with the corresponding zero-values // of the members. // Decode completed multipart upload response on failure completeMultipartUploadErr := ErrorResponse{} err = xmlDecoder(bytes.NewReader(b), &completeMultipartUploadErr) if err != nil { // xml parsing failure due to presence an ill-formed xml fragment return completeMultipartUploadResult, err } return completeMultipartUploadResult, completeMultipartUploadErr } return completeMultipartUploadResult, nil }
go
func (c Client) completeMultipartUpload(ctx context.Context, bucketName, objectName, uploadID string, complete completeMultipartUpload) (completeMultipartUploadResult, error) { // Input validation. if err := s3utils.CheckValidBucketName(bucketName); err != nil { return completeMultipartUploadResult{}, err } if err := s3utils.CheckValidObjectName(objectName); err != nil { return completeMultipartUploadResult{}, err } // Initialize url queries. urlValues := make(url.Values) urlValues.Set("uploadId", uploadID) // Marshal complete multipart body. completeMultipartUploadBytes, err := xml.Marshal(complete) if err != nil { return completeMultipartUploadResult{}, err } // Instantiate all the complete multipart buffer. completeMultipartUploadBuffer := bytes.NewReader(completeMultipartUploadBytes) reqMetadata := requestMetadata{ bucketName: bucketName, objectName: objectName, queryValues: urlValues, contentBody: completeMultipartUploadBuffer, contentLength: int64(len(completeMultipartUploadBytes)), contentSHA256Hex: sum256Hex(completeMultipartUploadBytes), } // Execute POST to complete multipart upload for an objectName. resp, err := c.executeMethod(ctx, "POST", reqMetadata) defer closeResponse(resp) if err != nil { return completeMultipartUploadResult{}, err } if resp != nil { if resp.StatusCode != http.StatusOK { return completeMultipartUploadResult{}, httpRespToErrorResponse(resp, bucketName, objectName) } } // Read resp.Body into a []bytes to parse for Error response inside the body var b []byte b, err = ioutil.ReadAll(resp.Body) if err != nil { return completeMultipartUploadResult{}, err } // Decode completed multipart upload response on success. completeMultipartUploadResult := completeMultipartUploadResult{} err = xmlDecoder(bytes.NewReader(b), &completeMultipartUploadResult) if err != nil { // xml parsing failure due to presence an ill-formed xml fragment return completeMultipartUploadResult, err } else if completeMultipartUploadResult.Bucket == "" { // xml's Decode method ignores well-formed xml that don't apply to the type of value supplied. // In this case, it would leave completeMultipartUploadResult with the corresponding zero-values // of the members. // Decode completed multipart upload response on failure completeMultipartUploadErr := ErrorResponse{} err = xmlDecoder(bytes.NewReader(b), &completeMultipartUploadErr) if err != nil { // xml parsing failure due to presence an ill-formed xml fragment return completeMultipartUploadResult, err } return completeMultipartUploadResult, completeMultipartUploadErr } return completeMultipartUploadResult, nil }
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// completeMultipartUpload - Completes a multipart upload by assembling previously uploaded parts.
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68eef499b4c530409962a5d1a12fa8c848587761
https://github.com/minio/minio-go/blob/68eef499b4c530409962a5d1a12fa8c848587761/api-put-object-multipart.go#L303-L372
train
minio/minio-go
api-select.go
Header
func (o SelectObjectOptions) Header() http.Header { headers := make(http.Header) if o.ServerSideEncryption != nil && o.ServerSideEncryption.Type() == encrypt.SSEC { o.ServerSideEncryption.Marshal(headers) } return headers }
go
func (o SelectObjectOptions) Header() http.Header { headers := make(http.Header) if o.ServerSideEncryption != nil && o.ServerSideEncryption.Type() == encrypt.SSEC { o.ServerSideEncryption.Marshal(headers) } return headers }
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// Header returns the http.Header representation of the SelectObject options.
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68eef499b4c530409962a5d1a12fa8c848587761
https://github.com/minio/minio-go/blob/68eef499b4c530409962a5d1a12fa8c848587761/api-select.go#L146-L152
train
minio/minio-go
api-select.go
Close
func (s *SelectResults) Close() error { defer closeResponse(s.resp) return s.pipeReader.Close() }
go
func (s *SelectResults) Close() error { defer closeResponse(s.resp) return s.pipeReader.Close() }
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68eef499b4c530409962a5d1a12fa8c848587761
https://github.com/minio/minio-go/blob/68eef499b4c530409962a5d1a12fa8c848587761/api-select.go#L270-L273
train
minio/minio-go
api-select.go
Read
func (s *SelectResults) Read(b []byte) (n int, err error) { return s.pipeReader.Read(b) }
go
func (s *SelectResults) Read(b []byte) (n int, err error) { return s.pipeReader.Read(b) }
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68eef499b4c530409962a5d1a12fa8c848587761
https://github.com/minio/minio-go/blob/68eef499b4c530409962a5d1a12fa8c848587761/api-select.go#L276-L278
train
minio/minio-go
api-select.go
start
func (s *SelectResults) start(pipeWriter *io.PipeWriter) { go func() { for { var prelude preludeInfo var headers = make(http.Header) var err error // Create CRC code crc := crc32.New(crc32.IEEETable) crcReader := io.TeeReader(s.resp.Body, crc) // Extract the prelude(12 bytes) into a struct to extract relevant information. prelude, err = processPrelude(crcReader, crc) if err != nil { pipeWriter.CloseWithError(err) closeResponse(s.resp) return } // Extract the headers(variable bytes) into a struct to extract relevant information if prelude.headerLen > 0 { if err = extractHeader(io.LimitReader(crcReader, int64(prelude.headerLen)), headers); err != nil { pipeWriter.CloseWithError(err) closeResponse(s.resp) return } } // Get the actual payload length so that the appropriate amount of // bytes can be read or parsed. payloadLen := prelude.PayloadLen() m := messageType(headers.Get("message-type")) switch m { case errorMsg: pipeWriter.CloseWithError(errors.New(headers.Get("error-code") + ":\"" + headers.Get("error-message") + "\"")) closeResponse(s.resp) return case commonMsg: // Get content-type of the payload. c := contentType(headers.Get("content-type")) // Get event type of the payload. e := eventType(headers.Get("event-type")) // Handle all supported events. switch e { case endEvent: pipeWriter.Close() closeResponse(s.resp) return case recordsEvent: if _, err = io.Copy(pipeWriter, io.LimitReader(crcReader, payloadLen)); err != nil { pipeWriter.CloseWithError(err) closeResponse(s.resp) return } case progressEvent: switch c { case xmlContent: if err = xmlDecoder(io.LimitReader(crcReader, payloadLen), s.progress); err != nil { pipeWriter.CloseWithError(err) closeResponse(s.resp) return } default: pipeWriter.CloseWithError(fmt.Errorf("Unexpected content-type %s sent for event-type %s", c, progressEvent)) closeResponse(s.resp) return } case statsEvent: switch c { case xmlContent: if err = xmlDecoder(io.LimitReader(crcReader, payloadLen), s.stats); err != nil { pipeWriter.CloseWithError(err) closeResponse(s.resp) return } default: pipeWriter.CloseWithError(fmt.Errorf("Unexpected content-type %s sent for event-type %s", c, statsEvent)) closeResponse(s.resp) return } } } // Ensures that the full message's CRC is correct and // that the message is not corrupted if err := checkCRC(s.resp.Body, crc.Sum32()); err != nil { pipeWriter.CloseWithError(err) closeResponse(s.resp) return } } }() }
go
func (s *SelectResults) start(pipeWriter *io.PipeWriter) { go func() { for { var prelude preludeInfo var headers = make(http.Header) var err error // Create CRC code crc := crc32.New(crc32.IEEETable) crcReader := io.TeeReader(s.resp.Body, crc) // Extract the prelude(12 bytes) into a struct to extract relevant information. prelude, err = processPrelude(crcReader, crc) if err != nil { pipeWriter.CloseWithError(err) closeResponse(s.resp) return } // Extract the headers(variable bytes) into a struct to extract relevant information if prelude.headerLen > 0 { if err = extractHeader(io.LimitReader(crcReader, int64(prelude.headerLen)), headers); err != nil { pipeWriter.CloseWithError(err) closeResponse(s.resp) return } } // Get the actual payload length so that the appropriate amount of // bytes can be read or parsed. payloadLen := prelude.PayloadLen() m := messageType(headers.Get("message-type")) switch m { case errorMsg: pipeWriter.CloseWithError(errors.New(headers.Get("error-code") + ":\"" + headers.Get("error-message") + "\"")) closeResponse(s.resp) return case commonMsg: // Get content-type of the payload. c := contentType(headers.Get("content-type")) // Get event type of the payload. e := eventType(headers.Get("event-type")) // Handle all supported events. switch e { case endEvent: pipeWriter.Close() closeResponse(s.resp) return case recordsEvent: if _, err = io.Copy(pipeWriter, io.LimitReader(crcReader, payloadLen)); err != nil { pipeWriter.CloseWithError(err) closeResponse(s.resp) return } case progressEvent: switch c { case xmlContent: if err = xmlDecoder(io.LimitReader(crcReader, payloadLen), s.progress); err != nil { pipeWriter.CloseWithError(err) closeResponse(s.resp) return } default: pipeWriter.CloseWithError(fmt.Errorf("Unexpected content-type %s sent for event-type %s", c, progressEvent)) closeResponse(s.resp) return } case statsEvent: switch c { case xmlContent: if err = xmlDecoder(io.LimitReader(crcReader, payloadLen), s.stats); err != nil { pipeWriter.CloseWithError(err) closeResponse(s.resp) return } default: pipeWriter.CloseWithError(fmt.Errorf("Unexpected content-type %s sent for event-type %s", c, statsEvent)) closeResponse(s.resp) return } } } // Ensures that the full message's CRC is correct and // that the message is not corrupted if err := checkCRC(s.resp.Body, crc.Sum32()); err != nil { pipeWriter.CloseWithError(err) closeResponse(s.resp) return } } }() }
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// start is the main function that decodes the large byte array into // several events that are sent through the eventstream.
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68eef499b4c530409962a5d1a12fa8c848587761
https://github.com/minio/minio-go/blob/68eef499b4c530409962a5d1a12fa8c848587761/api-select.go#L292-L389
train
minio/minio-go
api-select.go
processPrelude
func processPrelude(prelude io.Reader, crc hash.Hash32) (preludeInfo, error) { var err error var pInfo = preludeInfo{} // reads total length of the message (first 4 bytes) pInfo.totalLen, err = extractUint32(prelude) if err != nil { return pInfo, err } // reads total header length of the message (2nd 4 bytes) pInfo.headerLen, err = extractUint32(prelude) if err != nil { return pInfo, err } // checks that the CRC is correct (3rd 4 bytes) preCRC := crc.Sum32() if err := checkCRC(prelude, preCRC); err != nil { return pInfo, err } return pInfo, nil }
go
func processPrelude(prelude io.Reader, crc hash.Hash32) (preludeInfo, error) { var err error var pInfo = preludeInfo{} // reads total length of the message (first 4 bytes) pInfo.totalLen, err = extractUint32(prelude) if err != nil { return pInfo, err } // reads total header length of the message (2nd 4 bytes) pInfo.headerLen, err = extractUint32(prelude) if err != nil { return pInfo, err } // checks that the CRC is correct (3rd 4 bytes) preCRC := crc.Sum32() if err := checkCRC(prelude, preCRC); err != nil { return pInfo, err } return pInfo, nil }
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// processPrelude is the function that reads the 12 bytes of the prelude and // ensures the CRC is correct while also extracting relevant information into // the struct,
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68eef499b4c530409962a5d1a12fa8c848587761
https://github.com/minio/minio-go/blob/68eef499b4c530409962a5d1a12fa8c848587761/api-select.go#L399-L422
train
minio/minio-go
api-select.go
extractHeader
func extractHeader(body io.Reader, myHeaders http.Header) error { for { // extracts the first part of the header, headerTypeName, err := extractHeaderType(body) if err != nil { // Since end of file, we have read all of our headers if err == io.EOF { break } return err } // reads the 7 present in the header and ignores it. extractUint8(body) headerValueName, err := extractHeaderValue(body) if err != nil { return err } myHeaders.Set(headerTypeName, headerValueName) } return nil }
go
func extractHeader(body io.Reader, myHeaders http.Header) error { for { // extracts the first part of the header, headerTypeName, err := extractHeaderType(body) if err != nil { // Since end of file, we have read all of our headers if err == io.EOF { break } return err } // reads the 7 present in the header and ignores it. extractUint8(body) headerValueName, err := extractHeaderValue(body) if err != nil { return err } myHeaders.Set(headerTypeName, headerValueName) } return nil }
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// extracts the relevant information from the Headers.
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68eef499b4c530409962a5d1a12fa8c848587761
https://github.com/minio/minio-go/blob/68eef499b4c530409962a5d1a12fa8c848587761/api-select.go#L425-L449
train
minio/minio-go
api-select.go
extractHeaderType
func extractHeaderType(body io.Reader) (string, error) { // extracts 2 bit integer headerNameLen, err := extractUint8(body) if err != nil { return "", err } // extracts the string with the appropriate number of bytes headerName, err := extractString(body, int(headerNameLen)) if err != nil { return "", err } return strings.TrimPrefix(headerName, ":"), nil }
go
func extractHeaderType(body io.Reader) (string, error) { // extracts 2 bit integer headerNameLen, err := extractUint8(body) if err != nil { return "", err } // extracts the string with the appropriate number of bytes headerName, err := extractString(body, int(headerNameLen)) if err != nil { return "", err } return strings.TrimPrefix(headerName, ":"), nil }
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// extractHeaderType extracts the first half of the header message, the header type.
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68eef499b4c530409962a5d1a12fa8c848587761
https://github.com/minio/minio-go/blob/68eef499b4c530409962a5d1a12fa8c848587761/api-select.go#L452-L464
train
minio/minio-go
api-select.go
extractHeaderValue
func extractHeaderValue(body io.Reader) (string, error) { bodyLen, err := extractUint16(body) if err != nil { return "", err } bodyName, err := extractString(body, int(bodyLen)) if err != nil { return "", err } return bodyName, nil }
go
func extractHeaderValue(body io.Reader) (string, error) { bodyLen, err := extractUint16(body) if err != nil { return "", err } bodyName, err := extractString(body, int(bodyLen)) if err != nil { return "", err } return bodyName, nil }
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// extractsHeaderValue extracts the second half of the header message, the // header value
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68eef499b4c530409962a5d1a12fa8c848587761
https://github.com/minio/minio-go/blob/68eef499b4c530409962a5d1a12fa8c848587761/api-select.go#L468-L478
train
minio/minio-go
api-select.go
extractString
func extractString(source io.Reader, lenBytes int) (string, error) { myVal := make([]byte, lenBytes) _, err := source.Read(myVal) if err != nil { return "", err } return string(myVal), nil }
go
func extractString(source io.Reader, lenBytes int) (string, error) { myVal := make([]byte, lenBytes) _, err := source.Read(myVal) if err != nil { return "", err } return string(myVal), nil }
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// extracts a string from byte array of a particular number of bytes.
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68eef499b4c530409962a5d1a12fa8c848587761
https://github.com/minio/minio-go/blob/68eef499b4c530409962a5d1a12fa8c848587761/api-select.go#L481-L488
train
minio/minio-go
api-select.go
extractUint32
func extractUint32(r io.Reader) (uint32, error) { buf := make([]byte, 4) _, err := io.ReadFull(r, buf) if err != nil { return 0, err } return binary.BigEndian.Uint32(buf), nil }
go
func extractUint32(r io.Reader) (uint32, error) { buf := make([]byte, 4) _, err := io.ReadFull(r, buf) if err != nil { return 0, err } return binary.BigEndian.Uint32(buf), nil }
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// extractUint32 extracts a 4 byte integer from the byte array.
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68eef499b4c530409962a5d1a12fa8c848587761
https://github.com/minio/minio-go/blob/68eef499b4c530409962a5d1a12fa8c848587761/api-select.go#L491-L498
train
minio/minio-go
api-select.go
extractUint16
func extractUint16(r io.Reader) (uint16, error) { buf := make([]byte, 2) _, err := io.ReadFull(r, buf) if err != nil { return 0, err } return binary.BigEndian.Uint16(buf), nil }
go
func extractUint16(r io.Reader) (uint16, error) { buf := make([]byte, 2) _, err := io.ReadFull(r, buf) if err != nil { return 0, err } return binary.BigEndian.Uint16(buf), nil }
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// extractUint16 extracts a 2 byte integer from the byte array.
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68eef499b4c530409962a5d1a12fa8c848587761
https://github.com/minio/minio-go/blob/68eef499b4c530409962a5d1a12fa8c848587761/api-select.go#L501-L508
train
minio/minio-go
api-select.go
extractUint8
func extractUint8(r io.Reader) (uint8, error) { buf := make([]byte, 1) _, err := io.ReadFull(r, buf) if err != nil { return 0, err } return buf[0], nil }
go
func extractUint8(r io.Reader) (uint8, error) { buf := make([]byte, 1) _, err := io.ReadFull(r, buf) if err != nil { return 0, err } return buf[0], nil }
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// extractUint8 extracts a 1 byte integer from the byte array.
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68eef499b4c530409962a5d1a12fa8c848587761
https://github.com/minio/minio-go/blob/68eef499b4c530409962a5d1a12fa8c848587761/api-select.go#L511-L518
train
minio/minio-go
api-select.go
checkCRC
func checkCRC(r io.Reader, expect uint32) error { msgCRC, err := extractUint32(r) if err != nil { return err } if msgCRC != expect { return fmt.Errorf("Checksum Mismatch, MessageCRC of 0x%X does not equal expected CRC of 0x%X", msgCRC, expect) } return nil }
go
func checkCRC(r io.Reader, expect uint32) error { msgCRC, err := extractUint32(r) if err != nil { return err } if msgCRC != expect { return fmt.Errorf("Checksum Mismatch, MessageCRC of 0x%X does not equal expected CRC of 0x%X", msgCRC, expect) } return nil }
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// checkCRC ensures that the CRC matches with the one from the reader.
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68eef499b4c530409962a5d1a12fa8c848587761
https://github.com/minio/minio-go/blob/68eef499b4c530409962a5d1a12fa8c848587761/api-select.go#L521-L532
train
minio/minio-go
api-stat.go
BucketExists
func (c Client) BucketExists(bucketName string) (bool, error) { // Input validation. if err := s3utils.CheckValidBucketName(bucketName); err != nil { return false, err } // Execute HEAD on bucketName. resp, err := c.executeMethod(context.Background(), "HEAD", requestMetadata{ bucketName: bucketName, contentSHA256Hex: emptySHA256Hex, }) defer closeResponse(resp) if err != nil { if ToErrorResponse(err).Code == "NoSuchBucket" { return false, nil } return false, err } if resp != nil { resperr := httpRespToErrorResponse(resp, bucketName, "") if ToErrorResponse(resperr).Code == "NoSuchBucket" { return false, nil } if resp.StatusCode != http.StatusOK { return false, httpRespToErrorResponse(resp, bucketName, "") } } return true, nil }
go
func (c Client) BucketExists(bucketName string) (bool, error) { // Input validation. if err := s3utils.CheckValidBucketName(bucketName); err != nil { return false, err } // Execute HEAD on bucketName. resp, err := c.executeMethod(context.Background(), "HEAD", requestMetadata{ bucketName: bucketName, contentSHA256Hex: emptySHA256Hex, }) defer closeResponse(resp) if err != nil { if ToErrorResponse(err).Code == "NoSuchBucket" { return false, nil } return false, err } if resp != nil { resperr := httpRespToErrorResponse(resp, bucketName, "") if ToErrorResponse(resperr).Code == "NoSuchBucket" { return false, nil } if resp.StatusCode != http.StatusOK { return false, httpRespToErrorResponse(resp, bucketName, "") } } return true, nil }
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// BucketExists verify if bucket exists and you have permission to access it.
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68eef499b4c530409962a5d1a12fa8c848587761
https://github.com/minio/minio-go/blob/68eef499b4c530409962a5d1a12fa8c848587761/api-stat.go#L31-L59
train