fix: merge upstream (epub support)

.gitignore

@@ -1,4 +1,5 @@
 node_modules/
 temp/
 tmp/
-*.pdf
+*.pdf
+*.epub

package-lock.json

@@ -22,7 +22,6 @@
         "p-limit": "^6.2.0",
         "pdf-lib": "^1.17.1",
         "pdf-merger-js": "^5.1.1",
-        "pdfkit": "^0.17.2",
         "prompt-sync": "^4.2.0",
         "sanitize-filename": "^1.6.3",
         "svg-to-pdfkit": "^0.1.8",
@@ -30,7 +29,104 @@
         "ws": "^8.19.0",
         "xml2js": "^0.6.2",
         "yargs": "^17.5.1",
-        "yauzl": "^3.1.3"
+        "yauzl": "^3.1.3",
+        "zip-stream": "^6.0.1"
+      }
+    },
+    "node_modules/@isaacs/cliui": {
+      "version": "8.0.2",
+      "resolved": "https://registry.npmjs.org/@isaacs/cliui/-/cliui-8.0.2.tgz",
+      "integrity": "sha512-O8jcjabXaleOG9DQ0+ARXWZBTfnP4WNAqzuiJK7ll44AmxGKv/J2M4TPjxjY3znBCfvBXFzucm1twdyFybFqEA==",
+      "license": "ISC",
+      "dependencies": {
+        "string-width": "^5.1.2",
+        "string-width-cjs": "npm:string-width@^4.2.0",
+        "strip-ansi": "^7.0.1",
+        "strip-ansi-cjs": "npm:strip-ansi@^6.0.1",
+        "wrap-ansi": "^8.1.0",
+        "wrap-ansi-cjs": "npm:wrap-ansi@^7.0.0"
+      },
+      "engines": {
+        "node": ">=12"
+      }
+    },
+    "node_modules/@isaacs/cliui/node_modules/ansi-regex": {
+      "version": "6.2.2",
+      "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-6.2.2.tgz",
+      "integrity": "sha512-Bq3SmSpyFHaWjPk8If9yc6svM8c56dB5BAtW4Qbw5jHTwwXXcTLoRMkpDJp6VL0XzlWaCHTXrkFURMYmD0sLqg==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=12"
+      },
+      "funding": {
+        "url": "https://github.com/chalk/ansi-regex?sponsor=1"
+      }
+    },
+    "node_modules/@isaacs/cliui/node_modules/ansi-styles": {
+      "version": "6.2.3",
+      "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-6.2.3.tgz",
+      "integrity": "sha512-4Dj6M28JB+oAH8kFkTLUo+a2jwOFkuqb3yucU0CANcRRUbxS0cP0nZYCGjcc3BNXwRIsUVmDGgzawme7zvJHvg==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=12"
+      },
+      "funding": {
+        "url": "https://github.com/chalk/ansi-styles?sponsor=1"
+      }
+    },
+    "node_modules/@isaacs/cliui/node_modules/emoji-regex": {
+      "version": "9.2.2",
+      "resolved": "https://registry.npmjs.org/emoji-regex/-/emoji-regex-9.2.2.tgz",
+      "integrity": "sha512-L18DaJsXSUk2+42pv8mLs5jJT2hqFkFE4j21wOmgbUqsZ2hL72NsUU785g9RXgo3s0ZNgVl42TiHp3ZtOv/Vyg==",
+      "license": "MIT"
+    },
+    "node_modules/@isaacs/cliui/node_modules/string-width": {
+      "version": "5.1.2",
+      "resolved": "https://registry.npmjs.org/string-width/-/string-width-5.1.2.tgz",
+      "integrity": "sha512-HnLOCR3vjcY8beoNLtcjZ5/nxn2afmME6lhrDrebokqMap+XbeW8n9TXpPDOqdGK5qcI3oT0GKTW6wC7EMiVqA==",
+      "license": "MIT",
+      "dependencies": {
+        "eastasianwidth": "^0.2.0",
+        "emoji-regex": "^9.2.2",
+        "strip-ansi": "^7.0.1"
+      },
+      "engines": {
+        "node": ">=12"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
+    "node_modules/@isaacs/cliui/node_modules/strip-ansi": {
+      "version": "7.2.0",
+      "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-7.2.0.tgz",
+      "integrity": "sha512-yDPMNjp4WyfYBkHnjIRLfca1i6KMyGCtsVgoKe/z1+6vukgaENdgGBZt+ZmKPc4gavvEZ5OgHfHdrazhgNyG7w==",
+      "license": "MIT",
+      "dependencies": {
+        "ansi-regex": "^6.2.2"
+      },
+      "engines": {
+        "node": ">=12"
+      },
+      "funding": {
+        "url": "https://github.com/chalk/strip-ansi?sponsor=1"
+      }
+    },
+    "node_modules/@isaacs/cliui/node_modules/wrap-ansi": {
+      "version": "8.1.0",
+      "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-8.1.0.tgz",
+      "integrity": "sha512-si7QWI6zUMq56bESFvagtmzMdGOtoxfR+Sez11Mobfc7tm+VkUckk9bW2UeffTGVUbOksxmSw0AA2gs8g71NCQ==",
+      "license": "MIT",
+      "dependencies": {
+        "ansi-styles": "^6.1.0",
+        "string-width": "^5.0.1",
+        "strip-ansi": "^7.0.1"
+      },
+      "engines": {
+        "node": ">=12"
+      },
+      "funding": {
+        "url": "https://github.com/chalk/wrap-ansi?sponsor=1"
       }
     },
     "node_modules/@pdf-lib/standard-fonts": {
@@ -51,6 +147,16 @@
         "pako": "^1.0.10"
       }
     },
+    "node_modules/@pkgjs/parseargs": {
+      "version": "0.11.0",
+      "resolved": "https://registry.npmjs.org/@pkgjs/parseargs/-/parseargs-0.11.0.tgz",
+      "integrity": "sha512-+1VkjdD0QBLPodGrJUeqarH8VAIvQODIbwh9XpP5Syisf7YoQgsJKPNFoqqLQlu+VQ/tVSshMR6loPMn8U+dPg==",
+      "license": "MIT",
+      "optional": true,
+      "engines": {
+        "node": ">=14"
+      }
+    },
     "node_modules/@swc/helpers": {
       "version": "0.5.18",
       "resolved": "https://registry.npmjs.org/@swc/helpers/-/helpers-0.5.18.tgz",
@@ -96,6 +202,18 @@
       "integrity": "sha512-eOunJqu0K1923aExK6y8p6fsihYEn/BYuQ4g0CxAAgFc4b/ZLN4CrsRZ55srTdqoiLzU2B2evC+apEIxprEzkQ==",
       "license": "MIT"
     },
+    "node_modules/abort-controller": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/abort-controller/-/abort-controller-3.0.0.tgz",
+      "integrity": "sha512-h8lQ8tacZYnR3vNQTgibj+tODHI5/+l06Au2Pcriv/Gmet0eaj4TwWH41sO9wnHDiQsEj19q0drzdWdeAHtweg==",
+      "license": "MIT",
+      "dependencies": {
+        "event-target-shim": "^5.0.0"
+      },
+      "engines": {
+        "node": ">=6.5"
+      }
+    },
     "node_modules/accepts": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/accepts/-/accepts-2.0.0.tgz",
@@ -188,24 +306,82 @@
         "url": "https://github.com/chalk/ansi-styles?sponsor=1"
       }
     },
+    "node_modules/archiver-utils": {
+      "version": "5.0.2",
+      "resolved": "https://registry.npmjs.org/archiver-utils/-/archiver-utils-5.0.2.tgz",
+      "integrity": "sha512-wuLJMmIBQYCsGZgYLTy5FIB2pF6Lfb6cXMSF8Qywwk3t20zWnAi7zLcQFdKQmIB8wyZpY5ER38x08GbwtR2cLA==",
+      "license": "MIT",
+      "dependencies": {
+        "glob": "^10.0.0",
+        "graceful-fs": "^4.2.0",
+        "is-stream": "^2.0.1",
+        "lazystream": "^1.0.0",
+        "lodash": "^4.17.15",
+        "normalize-path": "^3.0.0",
+        "readable-stream": "^4.0.0"
+      },
+      "engines": {
+        "node": ">= 14"
+      }
+    },
+    "node_modules/archiver-utils/node_modules/buffer": {
+      "version": "6.0.3",
+      "resolved": "https://registry.npmjs.org/buffer/-/buffer-6.0.3.tgz",
+      "integrity": "sha512-FTiCpNxtwiZZHEZbcbTIcZjERVICn9yq/pDFkTl95/AxzD1naBctN7YO68riM/gLSDY7sdrMby8hofADYuuqOA==",
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/feross"
+        },
+        {
+          "type": "patreon",
+          "url": "https://www.patreon.com/feross"
+        },
+        {
+          "type": "consulting",
+          "url": "https://feross.org/support"
+        }
+      ],
+      "license": "MIT",
+      "dependencies": {
+        "base64-js": "^1.3.1",
+        "ieee754": "^1.2.1"
+      }
+    },
+    "node_modules/archiver-utils/node_modules/readable-stream": {
+      "version": "4.7.0",
+      "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-4.7.0.tgz",
+      "integrity": "sha512-oIGGmcpTLwPga8Bn6/Z75SVaH1z5dUut2ibSyAMVhmUggWpmDn2dapB0n7f8nwaSiRtepAsfJyfXIO5DCVAODg==",
+      "license": "MIT",
+      "dependencies": {
+        "abort-controller": "^3.0.0",
+        "buffer": "^6.0.3",
+        "events": "^3.3.0",
+        "process": "^0.11.10",
+        "string_decoder": "^1.3.0"
+      },
+      "engines": {
+        "node": "^12.22.0 || ^14.17.0 || >=16.0.0"
+      }
+    },
     "node_modules/asap": {
       "version": "2.0.6",
       "resolved": "https://registry.npmjs.org/asap/-/asap-2.0.6.tgz",
       "integrity": "sha512-BSHWgDSAiKs50o2Re8ppvp3seVHXSRM44cdSsT9FfNEUUZLOGWVCsiWaRPWM1Znn+mqZ1OfVZ3z3DWEzSp7hRA==",
       "license": "MIT"
     },
-    "node_modules/async": {
-      "version": "3.2.6",
-      "resolved": "https://registry.npmjs.org/async/-/async-3.2.6.tgz",
-      "integrity": "sha512-htCUDlxyyCLMgaM3xXg0C0LW2xqfuQ6p05pCEIsXuyQ+a1koYKTuBMzRNwmybfLgvJDMd0r1LTn4+E0Ti6C2AA==",
-      "license": "MIT"
-    },
     "node_modules/asynckit": {
       "version": "0.4.0",
       "resolved": "https://registry.npmjs.org/asynckit/-/asynckit-0.4.0.tgz",
       "integrity": "sha512-Oei9OH4tRh0YqU3GxhX79dM/mwVgvbZJaSNaRk+bshkj0S5cfHcgYakreBjrHwatXKbz+IoIdYLxrKim2MjW0Q==",
       "license": "MIT"
     },
+    "node_modules/balanced-match": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.2.tgz",
+      "integrity": "sha512-3oSeUO0TMV67hN1AmbXsK4yaqU7tjiHlbxRDZOpH0KW9+CeX4bRAaX0Anxt0tx2MrpRpWwQaPwIlISEJhYU5Pw==",
+      "license": "MIT"
+    },
     "node_modules/base64-js": {
       "version": "1.5.1",
       "resolved": "https://registry.npmjs.org/base64-js/-/base64-js-1.5.1.tgz",
@@ -284,6 +460,15 @@
         "url": "https://opencollective.com/express"
       }
     },
+    "node_modules/brace-expansion": {
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-2.0.2.tgz",
+      "integrity": "sha512-Jt0vHyM+jmUBqojB7E1NIYadt0vI0Qxjxd2TErW94wDz+E2LAm5vKMXXwg6ZZBTHPuUlDgQHKXvjGBdfcF1ZDQ==",
+      "license": "MIT",
+      "dependencies": {
+        "balanced-match": "^1.0.0"
+      }
+    },
     "node_modules/brotli": {
       "version": "1.3.3",
       "resolved": "https://registry.npmjs.org/brotli/-/brotli-1.3.3.tgz",
@@ -529,6 +714,62 @@
         "node": ">=16"
       }
     },
+    "node_modules/compress-commons": {
+      "version": "6.0.2",
+      "resolved": "https://registry.npmjs.org/compress-commons/-/compress-commons-6.0.2.tgz",
+      "integrity": "sha512-6FqVXeETqWPoGcfzrXb37E50NP0LXT8kAMu5ooZayhWWdgEY4lBEEcbQNXtkuKQsGduxiIcI4gOTsxTmuq/bSg==",
+      "license": "MIT",
+      "dependencies": {
+        "crc-32": "^1.2.0",
+        "crc32-stream": "^6.0.0",
+        "is-stream": "^2.0.1",
+        "normalize-path": "^3.0.0",
+        "readable-stream": "^4.0.0"
+      },
+      "engines": {
+        "node": ">= 14"
+      }
+    },
+    "node_modules/compress-commons/node_modules/buffer": {
+      "version": "6.0.3",
+      "resolved": "https://registry.npmjs.org/buffer/-/buffer-6.0.3.tgz",
+      "integrity": "sha512-FTiCpNxtwiZZHEZbcbTIcZjERVICn9yq/pDFkTl95/AxzD1naBctN7YO68riM/gLSDY7sdrMby8hofADYuuqOA==",
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/feross"
+        },
+        {
+          "type": "patreon",
+          "url": "https://www.patreon.com/feross"
+        },
+        {
+          "type": "consulting",
+          "url": "https://feross.org/support"
+        }
+      ],
+      "license": "MIT",
+      "dependencies": {
+        "base64-js": "^1.3.1",
+        "ieee754": "^1.2.1"
+      }
+    },
+    "node_modules/compress-commons/node_modules/readable-stream": {
+      "version": "4.7.0",
+      "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-4.7.0.tgz",
+      "integrity": "sha512-oIGGmcpTLwPga8Bn6/Z75SVaH1z5dUut2ibSyAMVhmUggWpmDn2dapB0n7f8nwaSiRtepAsfJyfXIO5DCVAODg==",
+      "license": "MIT",
+      "dependencies": {
+        "abort-controller": "^3.0.0",
+        "buffer": "^6.0.3",
+        "events": "^3.3.0",
+        "process": "^0.11.10",
+        "string_decoder": "^1.3.0"
+      },
+      "engines": {
+        "node": "^12.22.0 || ^14.17.0 || >=16.0.0"
+      }
+    },
     "node_modules/concat-stream": {
       "version": "1.6.2",
       "resolved": "https://registry.npmjs.org/concat-stream/-/concat-stream-1.6.2.tgz",
@@ -620,6 +861,85 @@
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       "license": "MIT"
     },
+    "node_modules/crc-32": {
+      "version": "1.2.2",
+      "resolved": "https://registry.npmjs.org/crc-32/-/crc-32-1.2.2.tgz",
+      "integrity": "sha512-ROmzCKrTnOwybPcJApAA6WBWij23HVfGVNKqqrZpuyZOHqK2CwHSvpGuyt/UNNvaIjEd8X5IFGp4Mh+Ie1IHJQ==",
+      "license": "Apache-2.0",
+      "bin": {
+        "crc32": "bin/crc32.njs"
+      },
+      "engines": {
+        "node": ">=0.8"
+      }
+    },
+    "node_modules/crc32-stream": {
+      "version": "6.0.0",
+      "resolved": "https://registry.npmjs.org/crc32-stream/-/crc32-stream-6.0.0.tgz",
+      "integrity": "sha512-piICUB6ei4IlTv1+653yq5+KoqfBYmj9bw6LqXoOneTMDXk5nM1qt12mFW1caG3LlJXEKW1Bp0WggEmIfQB34g==",
+      "license": "MIT",
+      "dependencies": {
+        "crc-32": "^1.2.0",
+        "readable-stream": "^4.0.0"
+      },
+      "engines": {
+        "node": ">= 14"
+      }
+    },
+    "node_modules/crc32-stream/node_modules/buffer": {
+      "version": "6.0.3",
+      "resolved": "https://registry.npmjs.org/buffer/-/buffer-6.0.3.tgz",
+      "integrity": "sha512-FTiCpNxtwiZZHEZbcbTIcZjERVICn9yq/pDFkTl95/AxzD1naBctN7YO68riM/gLSDY7sdrMby8hofADYuuqOA==",
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/feross"
+        },
+        {
+          "type": "patreon",
+          "url": "https://www.patreon.com/feross"
+        },
+        {
+          "type": "consulting",
+          "url": "https://feross.org/support"
+        }
+      ],
+      "license": "MIT",
+      "dependencies": {
+        "base64-js": "^1.3.1",
+        "ieee754": "^1.2.1"
+      }
+    },
+    "node_modules/crc32-stream/node_modules/readable-stream": {
+      "version": "4.7.0",
+      "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-4.7.0.tgz",
+      "integrity": "sha512-oIGGmcpTLwPga8Bn6/Z75SVaH1z5dUut2ibSyAMVhmUggWpmDn2dapB0n7f8nwaSiRtepAsfJyfXIO5DCVAODg==",
+      "license": "MIT",
+      "dependencies": {
+        "abort-controller": "^3.0.0",
+        "buffer": "^6.0.3",
+        "events": "^3.3.0",
+        "process": "^0.11.10",
+        "string_decoder": "^1.3.0"
+      },
+      "engines": {
+        "node": "^12.22.0 || ^14.17.0 || >=16.0.0"
+      }
+    },
+    "node_modules/cross-spawn": {
+      "version": "7.0.6",
+      "resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-7.0.6.tgz",
+      "integrity": "sha512-uV2QOWP2nWzsy2aMp8aRibhi9dlzF5Hgh5SHaB9OiTGEyDTiJJyx0uy51QXdyWbtAHNua4XJzUKca3OzKUd3vA==",
+      "license": "MIT",
+      "dependencies": {
+        "path-key": "^3.1.0",
+        "shebang-command": "^2.0.0",
+        "which": "^2.0.1"
+      },
+      "engines": {
+        "node": ">= 8"
+      }
+    },
     "node_modules/crypt": {
       "version": "0.0.2",
       "resolved": "https://registry.npmjs.org/crypt/-/crypt-0.0.2.tgz",
@@ -744,6 +1064,12 @@
         "node": ">= 0.4"
       }
     },
+    "node_modules/eastasianwidth": {
+      "version": "0.2.0",
+      "resolved": "https://registry.npmjs.org/eastasianwidth/-/eastasianwidth-0.2.0.tgz",
+      "integrity": "sha512-I88TYZWc9XiYHRQ4/3c5rjjfgkjhLyW2luGIheGERbNQ6OY7yTybanSpDXZa8y7VUP9YmDcYa+eyq4ca7iLqWA==",
+      "license": "MIT"
+    },
     "node_modules/ee-first": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/ee-first/-/ee-first-1.1.1.tgz",
@@ -858,6 +1184,24 @@
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       "license": "MIT"
     },
+    "node_modules/event-target-shim": {
+      "version": "5.0.1",
+      "resolved": "https://registry.npmjs.org/event-target-shim/-/event-target-shim-5.0.1.tgz",
+      "integrity": "sha512-i/2XbnSz/uxRCU6+NdVJgKWDTM427+MqYbkQzD321DuCQJUqOuJKIA0IM2+W2xtYHdKOmZ4dR6fExsd4SXL+WQ==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=6"
+      }
+    },
+    "node_modules/events": {
+      "version": "3.3.0",
+      "resolved": "https://registry.npmjs.org/events/-/events-3.3.0.tgz",
+      "integrity": "sha512-mQw+2fkQbALzQ7V0MY0IqdnXNOeTtP4r0lN9z7AAawCXgqea7bDii20AYrIBrFd/Hx0M2Ocz6S111CaFkUcb0Q==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=0.8.x"
+      }
+    },
     "node_modules/expand-template": {
       "version": "2.0.3",
       "resolved": "https://registry.npmjs.org/expand-template/-/expand-template-2.0.3.tgz",
@@ -1032,6 +1376,34 @@
         "node": ">=0.8"
       }
     },
+    "node_modules/foreground-child": {
+      "version": "3.3.1",
+      "resolved": "https://registry.npmjs.org/foreground-child/-/foreground-child-3.3.1.tgz",
+      "integrity": "sha512-gIXjKqtFuWEgzFRJA9WCQeSJLZDjgJUOMCMzxtvFq/37KojM1BFGufqsCy0r4qSQmYLsZYMeyRqzIWOMup03sw==",
+      "license": "ISC",
+      "dependencies": {
+        "cross-spawn": "^7.0.6",
+        "signal-exit": "^4.0.1"
+      },
+      "engines": {
+        "node": ">=14"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/isaacs"
+      }
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+      "license": "MIT",
+      "dependencies": {
+        "ansi-regex": "^5.0.1"
+      },
+      "engines": {
+        "node": ">=8"
+      }
+    },
     "node_modules/wrap-ansi/node_modules/ansi-regex": {
       "version": "5.0.1",
       "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-5.0.1.tgz",
@@ -2906,6 +3580,60 @@
       "funding": {
         "url": "https://github.com/sponsors/sindresorhus"
       }
+    },
+    "node_modules/zip-stream": {
+      "version": "6.0.1",
+      "resolved": "https://registry.npmjs.org/zip-stream/-/zip-stream-6.0.1.tgz",
+      "integrity": "sha512-zK7YHHz4ZXpW89AHXUPbQVGKI7uvkd3hzusTdotCg1UxyaVtg0zFJSTfW/Dq5f7OBBVnq6cZIaC8Ti4hb6dtCA==",
+      "license": "MIT",
+      "dependencies": {
+        "archiver-utils": "^5.0.0",
+        "compress-commons": "^6.0.2",
+        "readable-stream": "^4.0.0"
+      },
+      "engines": {
+        "node": ">= 14"
+      }
+    },
+    "node_modules/zip-stream/node_modules/buffer": {
+      "version": "6.0.3",
+      "resolved": "https://registry.npmjs.org/buffer/-/buffer-6.0.3.tgz",
+      "integrity": "sha512-FTiCpNxtwiZZHEZbcbTIcZjERVICn9yq/pDFkTl95/AxzD1naBctN7YO68riM/gLSDY7sdrMby8hofADYuuqOA==",
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/feross"
+        },
+        {
+          "type": "patreon",
+          "url": "https://www.patreon.com/feross"
+        },
+        {
+          "type": "consulting",
+          "url": "https://feross.org/support"
+        }
+      ],
+      "license": "MIT",
+      "dependencies": {
+        "base64-js": "^1.3.1",
+        "ieee754": "^1.2.1"
+      }
+    },
+    "node_modules/zip-stream/node_modules/readable-stream": {
+      "version": "4.7.0",
+      "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-4.7.0.tgz",
+      "integrity": "sha512-oIGGmcpTLwPga8Bn6/Z75SVaH1z5dUut2ibSyAMVhmUggWpmDn2dapB0n7f8nwaSiRtepAsfJyfXIO5DCVAODg==",
+      "license": "MIT",
+      "dependencies": {
+        "abort-controller": "^3.0.0",
+        "buffer": "^6.0.3",
+        "events": "^3.3.0",
+        "process": "^0.11.10",
+        "string_decoder": "^1.3.0"
+      },
+      "engines": {
+        "node": "^12.22.0 || ^14.17.0 || >=16.0.0"
+      }
     }
   }
 }

package.json

@@ -42,6 +42,7 @@
     "ws": "^8.19.0",
     "xml2js": "^0.6.2",
     "yargs": "^17.5.1",
-    "yauzl": "^3.1.3"
+    "yauzl": "^3.1.3",
+    "zip-stream": "^6.0.1"
   }
 }

providers/zanichelli.js

@@ -10,6 +10,7 @@ import aesjs from "aes-js";
 import forge from "node-forge";
 import yargs from "yargs";
 import { spawn } from "child_process";
+import ZipStream from "zip-stream";
 
 const prompt = PromptSync({ sigint: true });
 
@@ -130,175 +131,269 @@ async function downloadKitabooBook(bookReaderUrl, doOcr, outputDir) {
 	let rawPrivateKey = downloadBook.privateKey;
 	let jwtToken = downloadBook.jwtToken; // note how jwt = json web token, so what you are saying is json web token token... gg
 
-	console.log("Fetching encrypted encryption key...")
+	if (bookDetails.bookList[0].book.assetType == "BOOK") {
+		console.log("Detected standard book, downloading as PDF");
 
-	let encryptedEncryptionKey = await fetch(`https://webreader.zanichelli.it/${ebookID}/html5/${ebookID}/OPS/enc_resource.key`, {
-		headers: {
-			"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/134.0.0.0 Safari/537.36",
-			"Referer": "https://webreader.zanichelli.it/",
-			authorization: jwtToken, 
-			cookie: readerCookies
-		},
-	}).then((res) => res.text()).catch((err) => {
-		console.log("Error: ", err);
-		process.exit(1);
-	});
+		console.log("Fetching encrypted encryption key...")
 
-	console.log("Processing...");
-	
-	console.log("Decrypting encryption key...");
+		let encryptedEncryptionKey = await fetch(`https://webreader.zanichelli.it/${ebookID}/html5/${ebookID}/OPS/enc_resource.key`, {
+			headers: {
+				"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/134.0.0.0 Safari/537.36",
+				"Referer": "https://webreader.zanichelli.it/",
+				authorization: jwtToken, 
+				cookie: readerCookies
+			},
+		}).then((res) => res.text()).catch((err) => {
+			console.log("Error: ", err);
+			process.exit(1);
+		});
 
-	let privateKey = "-----BEGIN RSA PRIVATE KEY-----\n";
-	privateKey += rawPrivateKey.match(/.{1,64}/g).join('\n');
-	privateKey += "\n-----END RSA PRIVATE KEY-----";
+		console.log("Processing...");
+		
+		console.log("Decrypting encryption key...");
 
-	let key = forge.pki.privateKeyFromPem(privateKey);
-	let encryptionKey = key.decrypt(forge.util.decode64(encryptedEncryptionKey));
+		let privateKey = "-----BEGIN RSA PRIVATE KEY-----\n";
+		privateKey += rawPrivateKey.match(/.{1,64}/g).join('\n');
+		privateKey += "\n-----END RSA PRIVATE KEY-----";
 
-	console.log("Fetching book content...");
+		let key = forge.pki.privateKeyFromPem(privateKey);
+		let encryptionKey = key.decrypt(forge.util.decode64(encryptedEncryptionKey));
 
-	let content = await fetch(`https://webreader.zanichelli.it/${ebookID}/html5/${ebookID}/OPS/content.opf`, { 
-		headers: {
-			"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/134.0.0.0 Safari/537.36",
-			"Referer": "https://webreader.zanichelli.it/",
-			cookie: readerCookies 
-		}
-	}).then((res) => res.text()).then(parseString).catch((err) => {
-		console.log("Error: ", err);
-		process.exit(1);
-	});
+		console.log("Fetching book content...");
 
-	// mention in content.metadata of render type, could be usefull in the future if other formats get added
+		let content = await fetch(`https://webreader.zanichelli.it/${ebookID}/html5/${ebookID}/OPS/content.opf`, { 
+			headers: {
+				"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/134.0.0.0 Safari/537.36",
+				"Referer": "https://webreader.zanichelli.it/",
+				cookie: readerCookies 
+			}
+		}).then((res) => res.text()).then(parseString).catch((err) => {
+			console.log("Error: ", err);
+			process.exit(1);
+		});
 
-	if (content.Error) {
-		console.log("Error: ", ...content.Error.Code, ...content.Error.Message);
-		process.exit(1);
-	}
+		// mention in content.metadata of render type, could be usefull in the future if other formats get added
 
-	let title = content.package.metadata[0]["dc:title"][0];
+		if (content.Error) {
+			console.log("Error: ", ...content.Error.Code, ...content.Error.Message);
+			process.exit(1);
+		}
 
-	let items = {};
+		let title = content.package.metadata[0]["dc:title"][0];
 
-	for (let item of content.package.manifest[0].item) {
-		if (['image/svg+xml', 'image/png', 'image/jpeg'].includes(item.$['media-type'])) items[item.$.id] = item.$.href;
-	}
+		let items = {};
 
-	const pdfPath = path.join(outputDir, title.replace(/[^a-z0-9]/gi, '_') + '.pdf');
-	const doc = new PDFDocument();
-	const writeStream = fs.createWriteStream(pdfPath);
-	doc.pipe(writeStream);
-
-	for (let [i, itemref] of content.package.spine[0].itemref.entries()) {
-		console.log(`Downloading ${itemref.$.idref}`);
-		if (items[`images${itemref.$.idref}svgz`] !== undefined) {
-			let svg = null;
-			while (!svg) {
-				const abortController = new AbortController();
-				const promise = fetch(
-					`https://webreader.zanichelli.it/${ebookID}/html5/${ebookID}/OPS/${items[`images${itemref.$.idref}svgz`]}`,
-					{ headers: {
-						"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/134.0.0.0 Safari/537.36",
-						"Referer": "https://webreader.zanichelli.it/",
-						cookie: readerCookies 
-					}, controller: abortController.signal }
-				).then(async (res) => {
-					return decryptFile(encryptionKey, await res.text());
-				});
-				const timeoutId = setTimeout(() => abortController.abort(), 10000);
-				svg = await promise;
-				clearTimeout(timeoutId);
+		for (let item of content.package.manifest[0].item) {
+			if (['image/svg+xml', 'image/png', 'image/jpeg'].includes(item.$['media-type'])) items[item.$.id] = item.$.href;
+		}
+
+		const pdfPath = path.join(outputDir, title.replace(/[^a-z0-9]/gi, '_') + '.pdf');
+		const doc = new PDFDocument();
+		const writeStream = fs.createWriteStream(pdfPath);
+		doc.pipe(writeStream);
+
+		for (let [i, itemref] of content.package.spine[0].itemref.entries()) {
+			console.log(`Downloading ${itemref.$.idref}`);
+			if (items[`images${itemref.$.idref}svgz`] !== undefined) {
+				let svg = null;
+				while (!svg) {
+					const abortController = new AbortController();
+					const promise = fetch(
+						`https://webreader.zanichelli.it/${ebookID}/html5/${ebookID}/OPS/${items[`images${itemref.$.idref}svgz`]}`,
+						{ headers: {
+							"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/134.0.0.0 Safari/537.36",
+							"Referer": "https://webreader.zanichelli.it/",
+							cookie: readerCookies 
+						}, controller: abortController.signal }
+					).then(async (res) => {
+						return decryptFile(encryptionKey, await res.text());
+					});
+					const timeoutId = setTimeout(() => abortController.abort(), 10000);
+					svg = await promise;
+					clearTimeout(timeoutId);
+				}
+				doc.addSVG(svg, 0, 0, { preserveAspectRatio: "xMinYMin meet" });
+			} else if (items[`images${itemref.$.idref}png`] !== undefined) {
+				let png = null;
+				while (!png) {
+					const abortController = new AbortController();
+					const promise = fetch(
+						`https://webreader.zanichelli.it/${ebookID}/html5/${ebookID}/OPS/${items[`images${itemref.$.idref}png`]}`,
+						{ headers: {
+							"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/134.0.0.0 Safari/537.36",
+							"Referer": "https://webreader.zanichelli.it/",
+							cookie: readerCookies
+						}, controller: abortController.signal }
+					).then(async (res) => {
+						return decryptFile(encryptionKey, await res.text());
+					});
+					const timeoutId = setTimeout(() => abortController.abort(), 10000);
+					png = await promise;
+					clearTimeout(timeoutId);
+				}
+				doc.image(png, 0, 0, {fit: [doc.page.width, doc.page.height], align: 'center', valign: 'center'});
+			} else if (items[`images${itemref.$.idref}jpg`] !== undefined) {
+				let jpeg = null;
+				while (!jpeg) {
+					const abortController = new AbortController();
+					const promise = fetch(
+						`https://webreader.zanichelli.it/${ebookID}/html5/${ebookID}/OPS/${items[`images${itemref.$.idref}jpg`]}`,
+						{ headers: {
+							"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/134.0.0.0 Safari/537.36",
+							"Referer": "https://webreader.zanichelli.it/",
+							cookie: readerCookies
+						}, controller: abortController.signal }
+					).then(async (res) => {
+						return decryptFile(encryptionKey, await res.body());
+					});
+					const timeoutId = setTimeout(() => abortController.abort(), 5000)
+					jpeg = await promise;
+					clearTimeout(timeoutId);
+				}
+				doc.image(jpeg, 0, 0, {fit: [doc.page.width, doc.page.height], align: 'center', valign: 'center'});
+			} else {
+				console.log(`Unable to find suitable format for ${itemref.$.idref}`);
 			}
-			doc.addSVG(svg, 0, 0, { preserveAspectRatio: "xMinYMin meet" });
-		} else if (items[`images${itemref.$.idref}png`] !== undefined) {
-			let png = null;
-			while (!png) {
-				const abortController = new AbortController();
-				const promise = fetch(
-					`https://webreader.zanichelli.it/${ebookID}/html5/${ebookID}/OPS/${items[`images${itemref.$.idref}png`]}`,
-					{ headers: {
-						"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/134.0.0.0 Safari/537.36",
-						"Referer": "https://webreader.zanichelli.it/",
-						cookie: readerCookies
-					}, controller: abortController.signal }
-				).then(async (res) => {
-					return decryptFile(encryptionKey, await res.text());
-				});
-				const timeoutId = setTimeout(() => abortController.abort(), 10000);
-				png = await promise;
-				clearTimeout(timeoutId);
+			if (i < content.package.spine[0].itemref.length - 1) doc.addPage();
+		}
+
+		doc.end();
+		
+		// Wait for the write stream to finish
+		await new Promise((resolve, reject) => {
+			writeStream.on('finish', resolve);
+			writeStream.on('error', reject);
+		});
+		
+		let fileExists = false;
+		for (let i = 0; i < 50; i++) {
+			try {
+				const stats = await fs.promises.stat(pdfPath);
+				console.log(`Check ${i+1}: File size = ${stats.size} bytes`);
+				if (stats.size > 0) {
+					fileExists = true;
+					console.log("File found!");
+					break;
+				}
+			} catch (e) {
+				console.log(`Check ${i+1}: File not found yet`);
 			}
-			doc.image(png, 0, 0, {fit: [doc.page.width, doc.page.height], align: 'center', valign: 'center'});
-		} else if (items[`images${itemref.$.idref}jpg`] !== undefined) {
-			let jpeg = null;
-			while (!jpeg) {
-				const abortController = new AbortController();
-				const promise = fetch(
-					`https://webreader.zanichelli.it/${ebookID}/html5/${ebookID}/OPS/${items[`images${itemref.$.idref}jpg`]}`,
-					{ headers: {
-						"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/134.0.0.0 Safari/537.36",
-						"Referer": "https://webreader.zanichelli.it/",
-						cookie: readerCookies
-					}, controller: abortController.signal }
-				).then(async (res) => {
-					return decryptFile(encryptionKey, await res.body());
-				});
-				const timeoutId = setTimeout(() => abortController.abort(), 5000)
-				jpeg = await promise;
-				clearTimeout(timeoutId);
+			await new Promise(resolve => setTimeout(resolve, 200));
+		}
+		
+		if (!fileExists) {
+			console.error('PDF file was not created');
+			console.error('Expected file: ' + pdfPath);
+			console.error('Current directory: ' + process.cwd());
+			process.exit(1);
+		}
+		
+		console.log("Running OCR to make text selectable...");
+		if (doOcr) {
+			try {
+				const ocrPath = path.join(outputDir, 'ocr_' + path.basename(pdfPath));
+				await runOCR(pdfPath, ocrPath);
+				console.log("Done! PDF with selectable text: " + ocrPath);
+				console.log(`OURBOOKS_OUTPUT:${ocrPath}`);
+			} catch (err) {
+				console.error("OCR error:", err.message);
+				console.error("The PDF was saved without OCR as: " + pdfPath);
+				console.log(`OURBOOKS_OUTPUT:${pdfPath}`);
 			}
-			doc.image(jpeg, 0, 0, {fit: [doc.page.width, doc.page.height], align: 'center', valign: 'center'});
 		} else {
-			console.log(`Unable to find suitable format for ${itemref.$.idref}`);
+			console.log("Done! PDF saved: " + pdfPath);
+			console.log(`OURBOOKS_OUTPUT:${pdfPath}`);
 		}
-		if (i < content.package.spine[0].itemref.length - 1) doc.addPage();
-	}
+	} else if (bookDetails.bookList[0].book.assetType == "EPUB") {
+		console.log("Detected liquid book, downloading as EPUB");
 
-	doc.end();
-	
-	// Wait for the write stream to finish
-	await new Promise((resolve, reject) => {
-		writeStream.on('finish', resolve);
-		writeStream.on('error', reject);
-	});
-	
-	let fileExists = false;
-	for (let i = 0; i < 50; i++) {
-		try {
-			const stats = await fs.promises.stat(pdfPath);
-			console.log(`Check ${i+1}: File size = ${stats.size} bytes`);
-			if (stats.size > 0) {
-				fileExists = true;
-				console.log("File found!");
-				break;
-			}
-		} catch (e) {
-			console.log(`Check ${i+1}: File not found yet`);
+		const archive = new ZipStream({store: true});
+
+		archive.on("error", function (err) {
+			throw err;
+		});
+
+		function saveFile(fileName, content) {
+			return new Promise((resolve, reject) => {
+				archive.entry(content, {
+					name: fileName,
+				}, (err, res) => {
+					if (err) reject(err);
+					else resolve(res);
+				});
+			});
 		}
-		await new Promise(resolve => setTimeout(resolve, 200));
-	}
-	
-	if (!fileExists) {
-		console.error('PDF file was not created');
-		console.error('Expected file: ' + pdfPath);
-		console.error('Current directory: ' + process.cwd());
-		process.exit(1);
-	}
-	
-	console.log("Running OCR to make text selectable...");
-	if (doOcr) {
-		try {
-			const ocrPath = path.join(outputDir, 'ocr_' + path.basename(pdfPath));
-			await runOCR(pdfPath, ocrPath);
-			console.log("Done! PDF with selectable text: " + ocrPath);
-			console.log(`OURBOOKS_OUTPUT:${ocrPath}`);
-		} catch (err) {
-			console.error("OCR error:", err.message);
-			console.error("The PDF was saved without OCR as: " + pdfPath);
-			console.log(`OURBOOKS_OUTPUT:${pdfPath}`);
+
+		const epubPath = path.join(outputDir, bookDetails.bookList[0].book.title.trim().replace(/[^a-z0-9]/gi, '_') + ".epub");
+		archive.pipe(fs.createWriteStream(epubPath));
+
+		console.log("Fetching container file");
+		
+		const rootUrl = `https://webreader.zanichelli.it/${ebookID}/fixed_epub_image/${ebookID}/`
+
+		const containerFile = await fetch(rootUrl + "META-INF/container.xml", { 
+			headers: {
+				"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/134.0.0.0 Safari/537.36",
+				"Referer": "https://webreader.zanichelli.it/",
+				cookie: readerCookies 
+			}
+		}).then((res) => res.text()).catch((err) => {
+			console.log("Error: ", err);
+			process.exit(1);
+		});
+
+		const parsedContainerFile = await parseString(containerFile);
+		const rootFileUrl = parsedContainerFile.container.rootfiles[0].rootfile[0].$['full-path'];
+
+		await saveFile("META-INF/container.xml", containerFile);
+
+		console.log("Fetching root file");
+
+		const rootFile = await fetch(rootUrl + rootFileUrl, { 
+			headers: {
+				"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/134.0.0.0 Safari/537.36",
+				"Referer": "https://webreader.zanichelli.it/",
+				cookie: readerCookies 
+			}
+		}).then((res) => res.text()).catch((err) => {
+			console.log("Error: ", err);
+			process.exit(1);
+		});
+
+		const parsedRootFile = await parseString(rootFile);
+
+		await saveFile(rootFileUrl, rootFile);
+
+		const prefix = path.dirname(rootFileUrl) + '/';
+
+		for (let i = 0; i < parsedRootFile.package.manifest[0].item.length; i++) {
+			console.log(`Fetching content ${i+1}/${parsedRootFile.package.manifest[0].item.length}`);
+
+			const fileEntry = parsedRootFile.package.manifest[0].item[i];
+			const file = await fetch(rootUrl + prefix + fileEntry.$['href'], { 
+				headers: {
+					"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/134.0.0.0 Safari/537.36",
+					"Referer": "https://webreader.zanichelli.it/",
+					cookie: readerCookies 
+				}
+			}).then(res => {
+				if (!res.ok) throw res;
+				return res;
+			}).then(async (res) => Buffer.from(await res.arrayBuffer())).catch((err) => {
+				console.log("Error: ", err);
+				process.exit(1);
+			});
+
+			await saveFile(prefix + fileEntry.$['href'], file);
 		}
+
+		console.log("Finalising");
+
+		archive.finalize();
+		console.log("Done! You'll find the EPUB where it was requested as " + epubPath);
+		console.log(`OURBOOKS_OUTPUT:${epubPath}`);
 	} else {
-		console.log("Done! PDF saved: " + pdfPath);
-		console.log(`OURBOOKS_OUTPUT:${pdfPath}`);
+		console.log(`Unknown book type (${bookDetails.bookList[0].book.assetType}), please open an issue on github`);
 	}
 }