3 files changed, 151 insertions, 2 deletions

diff --git a/readme.md b/readme.md
index b363490..0d4ed9f 100644
--- a/readme.md
+++ b/readme.md
@@ -77,6 +77,7 @@ Builds of this software embed and make use of the following libraries:
   * fortawesome/vue-fontawesome, licensed under the MIT License
   * vueuse/core, licensed under the MIT License
   * core-js, licensed under the MIT License
+  * Epub.js, licensed under the BSD-2-Clause License
   * hammerjs, licensed under the MIT License
   * marked, licensed under the MIT License
   * mosha-vue-toastify, licensed under the MIT License
diff --git a/viewer/package.json b/viewer/package.json
index f5ac5e3..61ea287 100644
--- a/viewer/package.json
+++ b/viewer/package.json
@@ -14,6 +14,7 @@
     "@fortawesome/vue-fontawesome": "3.0.1",
     "@vueuse/core": "9.3.1",
     "core-js": "3.25.0",
+    "epubjs": "0.3.93",
     "hammerjs": "2.0.8",
     "marked": "4.1.1",
     "mosha-vue-toastify": "1.0.23",
diff --git a/viewer/yarn.lock b/viewer/yarn.lock
index 7991def..cd9f495 100644
--- a/viewer/yarn.lock
+++ b/viewer/yarn.lock
@@ -1292,6 +1292,13 @@
   resolved "https://registry.yarnpkg.com/@types/json5/-/json5-0.0.29.tgz#ee28707ae94e11d2b827bcbe5270bcea7f3e71ee"
   integrity sha512-dRLjCWHYg4oaA77cxO64oO+7JwCwnIzkZPdrrC71jQmQtlhM556pwKo5bUzqvZndkVbeFLIIi+9TC40JNF5hNQ==
 
+"@types/localforage@0.0.34":
+  version "0.0.34"
+  resolved "https://registry.yarnpkg.com/@types/localforage/-/localforage-0.0.34.tgz#5e31c32dd8791ec4b9ff3ef47c9cb55b2d0d9438"
+  integrity sha512-tJxahnjm9dEI1X+hQSC5f2BSd/coZaqbIl1m3TCl0q9SVuC52XcXfV0XmoCU1+PmjyucuVITwoTnN8OlTbEXXA==
+  dependencies:
+    localforage "*"
+
 "@types/marked@4.0.7":
   version "4.0.7"
   resolved "https://registry.yarnpkg.com/@types/marked/-/marked-4.0.7.tgz#400a76809fd08c2bbd9e25f3be06ea38c8e0a1d3"
@@ -2090,6 +2097,11 @@
     "@webassemblyjs/ast" "1.11.1"
     "@xtuc/long" "4.2.2"
 
+"@xmldom/xmldom@^0.7.5":
+  version "0.7.7"
+  resolved "https://registry.yarnpkg.com/@xmldom/xmldom/-/xmldom-0.7.7.tgz#16bd8a4e5c953018b8168e5d0a7d26b117cd7fa9"
+  integrity sha512-RwEdIYho2kjbSZ7fpvhkHy5wk1Y3x0O6e/EHL3/SoiAfFWH+yhV2/XZQvsBoAeGRNFwgScJS/gRZv+uIwoj7yA==
+
 "@xtuc/ieee754@^1.2.0":
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/@xtuc/ieee754/-/ieee754-1.2.0.tgz#eef014a3145ae477a1cbc00cd1e552336dceb790"
@@ -2777,7 +2789,7 @@ core-js@3.25.0:
   resolved "https://registry.yarnpkg.com/core-js/-/core-js-3.25.0.tgz#be71d9e0dd648ffd70c44a7ec2319d039357eceb"
   integrity sha512-CVU1xvJEfJGhyCpBrzzzU1kjCfgsGUxhEvwUV2e/cOedYWHdmluamx+knDnmhqALddMG16fZvIqvs9aijsHHaA==
 
-core-js@^3.8.3:
+core-js@^3.18.3, core-js@^3.8.3:
   version "3.26.0"
   resolved "https://registry.yarnpkg.com/core-js/-/core-js-3.26.0.tgz#a516db0ed0811be10eac5d94f3b8463d03faccfe"
   integrity sha512-+DkDrhoR4Y0PxDz6rurahuB+I45OsEUv8E1maPTB6OuHRohMMcznBq9TMpdpDMm/hUPob/mJJS3PqgbHpMTQgw==
@@ -2959,6 +2971,14 @@ csstype@^2.6.8:
   resolved "https://registry.yarnpkg.com/csstype/-/csstype-2.6.21.tgz#2efb85b7cc55c80017c66a5ad7cbd931fda3a90e"
   integrity sha512-Z1PhmomIfypOpoMjRQB70jfvy/wxT50qW08YXO5lMIJkrdq4yOTR+AW7FqutScmB9NkLwxo+jU+kZLbofZZq/w==
 
+d@1, d@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/d/-/d-1.0.1.tgz#8698095372d58dbee346ffd0c7093f99f8f9eb5a"
+  integrity sha512-m62ShEObQ39CfralilEQRjH6oAMtNCV1xJyEx5LpRYUVN+EviphDgUc/F3hnYbADmkiNs67Y+3ylmlG7Lnu+FA==
+  dependencies:
+    es5-ext "^0.10.50"
+    type "^1.0.1"
+
 debug@2.6.9, debug@^2.6.9:
   version "2.6.9"
   resolved "https://registry.yarnpkg.com/debug/-/debug-2.6.9.tgz#5d128515df134ff327e90a4c93f4e077a536341f"
@@ -3185,6 +3205,21 @@ entities@^2.0.0:
   resolved "https://registry.yarnpkg.com/entities/-/entities-2.2.0.tgz#098dc90ebb83d8dffa089d55256b351d34c4da55"
   integrity sha512-p92if5Nz619I0w+akJrLZH0MX0Pb5DX39XOwQTtXSdQQOaYH03S1uIQp4mhOZtAXrxq4ViO67YTiLBo2638o9A==
 
+epubjs@0.3.93:
+  version "0.3.93"
+  resolved "https://registry.yarnpkg.com/epubjs/-/epubjs-0.3.93.tgz#100c4597db152fc07d5246be38acca928b6b0b22"
+  integrity sha512-c06pNSdBxcXv3dZSbXAVLE1/pmleRhOT6mXNZo6INKmvuKpYB65MwU/lO7830czCtjIiK9i+KR+3S+p0wtljrw==
+  dependencies:
+    "@types/localforage" "0.0.34"
+    "@xmldom/xmldom" "^0.7.5"
+    core-js "^3.18.3"
+    event-emitter "^0.3.5"
+    jszip "^3.7.1"
+    localforage "^1.10.0"
+    lodash "^4.17.21"
+    marks-pane "^1.0.9"
+    path-webpack "0.0.3"
+
 error-ex@^1.3.1:
   version "1.3.2"
   resolved "https://registry.yarnpkg.com/error-ex/-/error-ex-1.3.2.tgz#b4ac40648107fdcdcfae242f428bea8a14d4f1bf"
@@ -3250,6 +3285,32 @@ es-to-primitive@^1.2.1:
     is-date-object "^1.0.1"
     is-symbol "^1.0.2"
 
+es5-ext@^0.10.35, es5-ext@^0.10.50, es5-ext@~0.10.14:
+  version "0.10.62"
+  resolved "https://registry.yarnpkg.com/es5-ext/-/es5-ext-0.10.62.tgz#5e6adc19a6da524bf3d1e02bbc8960e5eb49a9a5"
+  integrity sha512-BHLqn0klhEpnOKSrzn/Xsz2UIW8j+cGmo9JLzr8BiUapV8hPL9+FliFqjwr9ngW7jWdnxv6eO+/LqyhJVqgrjA==
+  dependencies:
+    es6-iterator "^2.0.3"
+    es6-symbol "^3.1.3"
+    next-tick "^1.1.0"
+
+es6-iterator@^2.0.3:
+  version "2.0.3"
+  resolved "https://registry.yarnpkg.com/es6-iterator/-/es6-iterator-2.0.3.tgz#a7de889141a05a94b0854403b2d0a0fbfa98f3b7"
+  integrity sha512-zw4SRzoUkd+cl+ZoE15A9o1oQd920Bb0iOJMQkQhl3jNc03YqVjAhG7scf9C5KWRU/R13Orf588uCC6525o02g==
+  dependencies:
+    d "1"
+    es5-ext "^0.10.35"
+    es6-symbol "^3.1.1"
+
+es6-symbol@^3.1.1, es6-symbol@^3.1.3:
+  version "3.1.3"
+  resolved "https://registry.yarnpkg.com/es6-symbol/-/es6-symbol-3.1.3.tgz#bad5d3c1bcdac28269f4cb331e431c78ac705d18"
+  integrity sha512-NJ6Yn3FuDinBaBRWl/q5X/s4koRHBrgKAu+yGI6JCBeiu3qrcbJhwT2GeR/EXVfylRk8dpQVJoLEFhK+Mu31NA==
+  dependencies:
+    d "^1.0.1"
+    ext "^1.1.2"
+
 escalade@^3.1.1:
   version "3.1.1"
   resolved "https://registry.yarnpkg.com/escalade/-/escalade-3.1.1.tgz#d8cfdc7000965c5a0174b4a82eaa5c0552742e40"
@@ -3532,6 +3593,14 @@ etag@~1.8.1:
   resolved "https://registry.yarnpkg.com/etag/-/etag-1.8.1.tgz#41ae2eeb65efa62268aebfea83ac7d79299b0887"
   integrity sha512-aIL5Fx7mawVa300al2BnEE4iNvo1qETxLrPI/o05L7z6go7fCw1J6EQmbK4FmJ2AS7kgVF/KEZWufBfdClMcPg==
 
+event-emitter@^0.3.5:
+  version "0.3.5"
+  resolved "https://registry.yarnpkg.com/event-emitter/-/event-emitter-0.3.5.tgz#df8c69eef1647923c7157b9ce83840610b02cc39"
+  integrity sha512-D9rRn9y7kLPnJ+hMq7S/nhvoKwwvVJahBi2BPmx3bvbsEdK3W9ii8cBSGjP+72/LnM4n6fo3+dkCX5FeTQruXA==
+  dependencies:
+    d "1"
+    es5-ext "~0.10.14"
+
 event-pubsub@4.3.0:
   version "4.3.0"
   resolved "https://registry.yarnpkg.com/event-pubsub/-/event-pubsub-4.3.0.tgz#f68d816bc29f1ec02c539dc58c8dd40ce72cb36e"
@@ -3625,6 +3694,13 @@ express@^4.17.3:
     utils-merge "1.0.1"
     vary "~1.1.2"
 
+ext@^1.1.2:
+  version "1.7.0"
+  resolved "https://registry.yarnpkg.com/ext/-/ext-1.7.0.tgz#0ea4383c0103d60e70be99e9a7f11027a33c4f5f"
+  integrity sha512-6hxeJYaL110a9b5TEJSj0gojyHQAmA2ch5Os+ySCiA1QGdS697XWY1pzsrSjqA9LDEEgdB/KypIlR59RcLuHYw==
+  dependencies:
+    type "^2.7.2"
+
 fast-deep-equal@^3.1.1, fast-deep-equal@^3.1.3:
   version "3.1.3"
   resolved "https://registry.yarnpkg.com/fast-deep-equal/-/fast-deep-equal-3.1.3.tgz#3a7d56b559d6cbc3eb512325244e619a65c6c525"
@@ -4142,6 +4218,11 @@ ignore@^5.1.1, ignore@^5.2.0:
   resolved "https://registry.yarnpkg.com/ignore/-/ignore-5.2.0.tgz#6d3bac8fa7fe0d45d9f9be7bac2fc279577e345a"
   integrity sha512-CmxgYGiEPCLhfLnpPp1MoRmifwEIOgjcHXxOBjv7mY96c+eWScsOP9c112ZyLdWHi0FxHjI+4uVhKYp/gcdRmQ==
 
+immediate@~3.0.5:
+  version "3.0.6"
+  resolved "https://registry.yarnpkg.com/immediate/-/immediate-3.0.6.tgz#9db1dbd0faf8de6fbe0f5dd5e56bb606280de69b"
+  integrity sha512-XXOFtyqDjNDAQxVfYxuF7g9Il/IbWmmlQg2MYKOH8ExIT1qg6xc4zyS3HaEEATgs1btfzxq15ciUiY7gjSXRGQ==
+
 immutable@^4.0.0:
   version "4.1.0"
   resolved "https://registry.yarnpkg.com/immutable/-/immutable-4.1.0.tgz#f795787f0db780183307b9eb2091fcac1f6fafef"
@@ -4515,6 +4596,16 @@ jsonfile@^6.0.1:
   optionalDependencies:
     graceful-fs "^4.1.6"
 
+jszip@^3.7.1:
+  version "3.10.1"
+  resolved "https://registry.yarnpkg.com/jszip/-/jszip-3.10.1.tgz#34aee70eb18ea1faec2f589208a157d1feb091c2"
+  integrity sha512-xXDvecyTpGLrqFrvkrUSoxxfJI5AH7U8zxxtVclpsUtMCq4JQ290LY8AW5c7Ggnr/Y/oK+bQMbqK2qmtk3pN4g==
+  dependencies:
+    lie "~3.3.0"
+    pako "~1.0.2"
+    readable-stream "~2.3.6"
+    setimmediate "^1.0.5"
+
 kind-of@^6.0.2:
   version "6.0.3"
   resolved "https://registry.yarnpkg.com/kind-of/-/kind-of-6.0.3.tgz#07c05034a6c349fa06e24fa35aa76db4580ce4dd"
@@ -4548,6 +4639,20 @@ levn@^0.4.1:
     prelude-ls "^1.2.1"
     type-check "~0.4.0"
 
+lie@3.1.1:
+  version "3.1.1"
+  resolved "https://registry.yarnpkg.com/lie/-/lie-3.1.1.tgz#9a436b2cc7746ca59de7a41fa469b3efb76bd87e"
+  integrity sha512-RiNhHysUjhrDQntfYSfY4MU24coXXdEOgw9WGcKHNeEwffDYbF//u87M1EWaMGzuFoSbqW0C9C6lEEhDOAswfw==
+  dependencies:
+    immediate "~3.0.5"
+
+lie@~3.3.0:
+  version "3.3.0"
+  resolved "https://registry.yarnpkg.com/lie/-/lie-3.3.0.tgz#dcf82dee545f46074daf200c7c1c5a08e0f40f6a"
+  integrity sha512-UaiMJzeWRlEujzAuw5LokY1L5ecNQYZKfmyZ9L7wDHb/p5etKaxXhohBcrw0EYby+G/NA52vRSN4N39dxHAIwQ==
+  dependencies:
+    immediate "~3.0.5"
+
 lilconfig@^2.0.3:
   version "2.0.6"
   resolved "https://registry.yarnpkg.com/lilconfig/-/lilconfig-2.0.6.tgz#32a384558bd58af3d4c6e077dd1ad1d397bc69d4"
@@ -45