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better_msg = dc_stock_system_msg(context,
DC_STR_MSGLOCATIONENABLED, NULL, NULL, from_id);
}
set_better_msg(mime_parser, &better_msg);
/* search the grpid in the header */
{
struct mailimf_field* field = NULL;
struct mailimf_optional_field* optional_field = NULL;
if ((optional_field=dc_mimeparser_lookup_optional_field(mime_parser, "Chat-Group-ID"))!=NULL) {
grpid = dc_strdup(optional_field->fld_value);
}
if (grpid==NULL)
{
if ((field=dc_mimeparser_lookup_field(mime_parser, "Message-ID"))!=NULL && field->fld_type==MAILIMF_FIELD_MESSAGE_ID) {
struct mailimf_message_id* fld_message_id = field->fld_data.fld_message_id;
if (fld_message_id) {
grpid = dc_extract_grpid_from_rfc724_mid(fld_message_id->mid_value);
}
}
if (grpid==NULL)
{
if ((field=dc_mimeparser_lookup_field(mime_parser, "In-Reply-To"))!=NULL && field->fld_type==MAILIMF_FIELD_IN_REPLY_TO) {
struct mailimf_in_reply_to* fld_in_reply_to = field->fld_data.fld_in_reply_to;
if (fld_in_reply_to) {
grpid = dc_extract_grpid_from_rfc724_mid_list(fld_in_reply_to->mid_list);
}
}
if (grpid==NULL)
{
if ((field=dc_mimeparser_lookup_field(mime_parser, "References"))!=NULL && field->fld_type==MAILIMF_FIELD_REFERENCES) {
struct mailimf_references* fld_references = field->fld_data.fld_references;
if (fld_references) {
grpid = dc_extract_grpid_from_rfc724_mid_list(fld_references->mid_list);
}
}
if (grpid==NULL)
{
create_or_lookup_adhoc_group(context, mime_parser,
allow_creation, create_blocked,
from_id, to_ids, &chat_id, &chat_id_blocked);
goto cleanup;
}
}
}
}
if ((optional_field=dc_mimeparser_lookup_optional_field(mime_parser, "Chat-Group-Name"))!=NULL) {
grpname = dc_decode_header_words(optional_field->fld_value); /* this is no changed groupname message */
}
if ((optional_field=dc_mimeparser_lookup_optional_field(mime_parser, "Chat-Group-Member-Removed"))!=NULL) {
X_MrRemoveFromGrp = optional_field->fld_value;
mime_parser->is_system_message = DC_CMD_MEMBER_REMOVED_FROM_GROUP;
int left_group = (dc_lookup_contact_id_by_addr(context, X_MrRemoveFromGrp)==from_id);
better_msg = dc_stock_system_msg(context,
left_group? DC_STR_MSGGROUPLEFT : DC_STR_MSGDELMEMBER,
X_MrRemoveFromGrp, NULL, from_id);
}
else if ((optional_field=dc_mimeparser_lookup_optional_field(mime_parser, "Chat-Group-Member-Added"))!=NULL) {
X_MrAddToGrp = optional_field->fld_value;
mime_parser->is_system_message = DC_CMD_MEMBER_ADDED_TO_GROUP;
if ((optional_field=dc_mimeparser_lookup_optional_field(mime_parser, "Chat-Group-Image"))!=NULL) {
X_MrGrpImageChanged = optional_field->fld_value;
}
better_msg = dc_stock_system_msg(context,
DC_STR_MSGADDMEMBER, X_MrAddToGrp, NULL, from_id);
}
else if ((optional_field=dc_mimeparser_lookup_optional_field(mime_parser, "Chat-Group-Name-Changed"))!=NULL) {
X_MrGrpNameChanged = 1;
mime_parser->is_system_message = DC_CMD_GROUPNAME_CHANGED;
better_msg = dc_stock_system_msg(context,
DC_STR_MSGGRPNAME, optional_field->fld_value, grpname, from_id);
}
else if ((optional_field=dc_mimeparser_lookup_optional_field(mime_parser, "Chat-Group-Image"))!=NULL) {
X_MrGrpImageChanged = optional_field->fld_value;
mime_parser->is_system_message = DC_CMD_GROUPIMAGE_CHANGED;
better_msg = dc_stock_system_msg(context,
strcmp(X_MrGrpImageChanged, "0")==0? DC_STR_MSGGRPIMGDELETED : DC_STR_MSGGRPIMGCHANGED,
NULL, NULL, from_id);
}
}
set_better_msg(mime_parser, &better_msg);
/* check, if we have a chat with this group ID */
if ((chat_id=dc_get_chat_id_by_grpid(context, grpid, &chat_id_blocked, &chat_id_verified))!=0) {
if (chat_id_verified
&& !check_verified_properties(context, mime_parser, from_id, to_ids, &failure_reason)) {
dc_mimeparser_repl_msg_by_error(mime_parser, failure_reason);