Merge branch 'release/0.5.2'

0.5.1

client/api/misc.js

@@ -6,7 +6,9 @@ const api = axios.create({
 
 class Misc {
     async loadConfig() {
-        const response = await api.post('/config', {params: ['name', 'version', 'mode', 'maxUploadFileSize', 'branch']});
+        const response = await api.post('/config', {params: [
+            'name', 'version', 'mode', 'maxUploadFileSize', 'useExternalBookConverter', 'branch',
+        ]});
         return response.data;
     }
 }

client/api/reader.js

@@ -44,7 +44,7 @@ class Reader {
                 await sleep(refreshPause);
 
             i++;
-            if (i > 30*1000/refreshPause) {//30 сек ждем телодвижений воркера
+            if (i > 120*1000/refreshPause) {//2 мин ждем телодвижений воркера
                 throw new Error('Слишком долгое время ожидания');
             }
             //проверка воркера

client/components/Reader/LoaderPage/LoaderPage.vue

@@ -3,8 +3,11 @@
         <div class="part">
             <span class="greeting bold-font">{{ title }}</span>
             <span class="greeting">Добро пожаловать!</span>
-            <span class="greeting">Поддерживаются форматы: fb2, fb2.zip, html, txt</span>
+            <span class="greeting">Поддерживаются форматы: <b>fb2, html, txt</b></span>
+            <span v-if="isExternalConverter" class="greeting">...а также: <b>rtf, doc, docx</b>, и вскоре: pdf, epub, mobi</span>
+            <span class="greeting">...и распознается сжатие: <b>zip, bz2, gz</b></span>
         </div>
+
         <div class="part center">
             <el-input ref="input" placeholder="URL книги" v-model="bookUrl">
                 <el-button slot="append" icon="el-icon-check" @click="submitUrl"></el-button>
@@ -15,8 +18,9 @@
                 Загрузить файл с диска
             </el-button>
             <div class="space"></div>
-            <span v-if="config.mode == 'omnireader'" class="bottom-span clickable" @click="openComments">Комментарии</span>
+            <span v-if="mode == 'omnireader'" class="bottom-span clickable" @click="openComments">Комментарии</span>
         </div>
+
         <div class="part bottom">
             <span class="bottom-span clickable" @click="openHelp">Справка</span>
             <span class="bottom-span clickable" @click="openDonate">Помочь проекту</span>
@@ -38,7 +42,6 @@ class LoaderPage extends Vue {
 
     created() {
         this.commit = this.$store.commit;
-        this.config = this.$store.state.config;
     }
 
     mounted() {
@@ -50,14 +53,22 @@ class LoaderPage extends Vue {
     }
 
     get title() {
-        if (this.config.mode == 'omnireader')
+        if (this.$store.state.config.mode == 'omnireader')
             return 'Omni Reader - браузерная онлайн-читалка.';
         return 'Универсальная читалка книг и ресурсов интернета.';
 
     }
 
+    get mode() {
+        return this.$store.state.config.mode;
+    }
+
     get version() {
-        return `v${this.config.version}`;
+        return `v${this.$store.state.config.version}`;
+    }
+
+    get isExternalConverter() {
+        return this.$store.state.config.useExternalBookConverter;
     }
 
     submitUrl() {

client/store/modules/reader.js

@@ -162,7 +162,7 @@ const settingDefaults = {
         addEmptyParagraphs: 0,
         blinkCachedLoad: true,
         showImages: true,
-        showInlineImagesInCenter: false,
+        showInlineImagesInCenter: true,
         imageHeightLines: 100,
         imageFitWidth: true,
 

docs/omnireader/readme.txt

@@ -1,8 +1,7 @@
 sudo bash
 
 mkdir /home/liberama
-chown www-data /home/liberama
-chgrp www-data /home/liberama
+chown www-data.www-data /home/liberama
 
 ### oldreader
 # ubuntu 18
@@ -15,6 +14,18 @@ chgrp www-data /home/oldreader
 sudo -u www-data cp -r ./old/* /home/oldreader
 ###
 
+### external converter
+# calibre releases https://download.calibre-ebook.com/
+# download, unpack to data/calibre
+# 3.39.1
+wget "https://download.calibre-ebook.com/3.39.1/calibre-3.39.1-x86_64.txz"
+sudo -u www-data mkdir -p /home/liberama/data/calibre
+sudo -u www-data tar xvf calibre-3.39.1-x86_64.txz -C /home/liberama/data/calibre
+
+apt install libreoffice
+apt install poppler-utils
+###
+
 apt install nginx
 
 cp omnireader /etc/nginx/sites-available/omnireader
@@ -22,5 +33,7 @@ ln -s /etc/nginx/sites-available/omnireader /etc/nginx/sites-enabled/omnireader
 rm /etc/nginx/sites-enabled/default
 service nginx reload
 
+chown -R www-data.www-data /var/www
+
 exit
 

docs/omnireader/run_server.sh

@@ -1 +1 @@
-sudo -u www-data /home/liberama/liberama
+sudo -H -u www-data sh -c "cd /var/www; /home/liberama/liberama"

package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "Liberama",
-  "version": "0.3.2",
+  "version": "0.4.7",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -3291,11 +3291,6 @@
       "integrity": "sha1-8NZtA2cqglyxtzvbP+YjEMjlUrc=",
       "dev": true
     },
-    "detect-file-type": {
-      "version": "0.2.0",
-      "resolved": "https://registry.npmjs.org/detect-file-type/-/detect-file-type-0.2.0.tgz",
-      "integrity": "sha512-RO/pUyKObaN3KZFVAxTzq6zUIweCu45deaUj2ZpbA1wCrmHeHYHpCXT6ZMLtlMtYSgEbpGuCxzQz8a9IuwOfNw=="
-    },
     "detect-indent": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/detect-indent/-/detect-indent-4.0.0.tgz",

package.json

@@ -1,6 +1,6 @@
 {
   "name": "Liberama",
-  "version": "0.4.7",
+  "version": "0.5.2",
   "engines": {
     "node": ">=10.0.0"
   },
@@ -62,7 +62,6 @@
     "decompress": "^4.2.0",
     "decompress-bzip2": "^4.0.0",
     "decompress-gz": "0.0.1",
-    "detect-file-type": "^0.2.0",
     "element-ui": "^2.4.11",
     "express": "^4.16.4",
     "fg-loadcss": "^2.1.0",

server/config/base.js

@@ -21,6 +21,8 @@ module.exports = {
     maxTempPublicDirSize: 512*1024*1024,//512Мб
     maxUploadPublicDirSize: 200*1024*1024,//100Мб
 
+    useExternalBookConverter: false,
+
     servers: [
         {
             serverName: '1',

server/config/configSaver.js

@@ -5,6 +5,7 @@ const propsToSave = [
     'maxUploadFileSize',
     'maxTempPublicDirSize',
     'maxUploadPublicDirSize',
+    'useExternalBookConverter',
     
     'servers',
 ];

server/core/BookConverter/ConvertBase.js

@@ -1,16 +1,54 @@
+const fs = require('fs-extra');
 const iconv = require('iconv-lite');
 const chardet = require('chardet');
+
 const textUtils = require('./textUtils');
+const utils = require('../utils');
 
 class ConvertBase {
     constructor(config) {
         this.config = config;
+
+        this.calibrePath = `${config.dataDir}/calibre/ebook-convert`;
+        this.sofficePath = '/usr/bin/soffice';
+        this.pdfToHtmlPath = '/usr/bin/pdftohtml';
     }
 
-    run(data, opts) {// eslint-disable-line no-unused-vars
+    async run(data, opts) {// eslint-disable-line no-unused-vars
         //override
     }
 
+    async checkExternalConverterPresent() {
+        if (!await fs.pathExists(this.calibrePath))
+            throw new Error('Внешний конвертер calibre не найден');
+
+        if (!await fs.pathExists(this.sofficePath))
+            throw new Error('Внешний конвертер LibreOffice не найден');
+
+        if (!await fs.pathExists(this.pdfToHtmlPath))
+            throw new Error('Внешний конвертер pdftohtml не найден');
+    }
+
+    async execConverter(path, args, onData) {
+        try {
+            const result = await utils.spawnProcess(path, {args, onData});
+            if (result.code != 0) {
+                let error = result.code;
+                if (this.config.branch == 'development')
+                    error = `exec: ${path}, stdout: ${result.stdout}, stderr: ${result.stderr}`;
+                throw new Error(`Внешний конвертер завершился с ошибкой: ${error}`);
+            }
+        } catch(e) {
+            if (e.status == 'killed') {
+                throw new Error('Слишком долгое ожидание конвертера');
+            } else if (e.status == 'error') {
+                throw new Error(e.error);
+            } else {
+                throw new Error(e);
+            }
+        }
+    }
+
     decode(data) {
         let selected = textUtils.getEncoding(data);
 

server/core/BookConverter/ConvertDoc.js

@@ -0,0 +1,33 @@
+const fs = require('fs-extra');
+const path = require('path');
+
+const ConvertDocX = require('./ConvertDocX');
+
+class ConvertDoc extends ConvertDocX {
+    check(data, opts) {
+        const {inputFiles} = opts;
+
+        return this.config.useExternalBookConverter && 
+            inputFiles.sourceFileType && inputFiles.sourceFileType.ext == 'msi';
+    }
+
+    async run(data, opts) {
+        if (!this.check(data, opts))
+            return false;
+        await this.checkExternalConverterPresent();
+
+        const {inputFiles, callback} = opts;
+
+        const outFile = `${inputFiles.fileListDir}/${path.basename(inputFiles.sourceFile)}`;
+        const docFile = `${outFile}.doc`;
+        const docxFile = `${outFile}.docx`;
+        const fb2File = `${outFile}.fb2`;
+
+        await fs.copy(inputFiles.sourceFile, docFile);
+        await this.execConverter(this.sofficePath, ['--headless', '--convert-to', 'docx', '--outdir', inputFiles.fileListDir, docFile]);
+
+        return await super.convert(docxFile, fb2File, callback);
+    }
+}
+
+module.exports = ConvertDoc;

server/core/BookConverter/ConvertDocX.js

@@ -0,0 +1,50 @@
+const fs = require('fs-extra');
+const path = require('path');
+
+const ConvertBase = require('./ConvertBase');
+
+class ConvertDocX extends ConvertBase {
+    check(data, opts) {
+        const {inputFiles} = opts;
+
+        if (this.config.useExternalBookConverter && 
+            inputFiles.sourceFileType && inputFiles.sourceFileType.ext == 'zip') {
+            //ищем файл '[Content_Types].xml'
+            for (const file of inputFiles.fileList) {
+                if (file == '[Content_Types].xml') {
+                    return true;
+                }
+            }
+        }
+
+        return false;
+    }
+
+    async convert(docxFile, fb2File, callback) {
+        let perc = 0;
+        await this.execConverter(this.calibrePath, [docxFile, fb2File], () => {
+            perc = (perc < 100 ? perc + 5 : 50);
+            callback(perc);
+        });
+
+        return await fs.readFile(fb2File);
+    }
+
+    async run(data, opts) {
+        if (!this.check(data, opts))
+            return false;
+        await this.checkExternalConverterPresent();
+
+        const {inputFiles, callback} = opts;
+
+        const outFile = `${inputFiles.fileListDir}/${path.basename(inputFiles.sourceFile)}`;
+        const docxFile = `${outFile}.docx`;
+        const fb2File = `${outFile}.fb2`;
+
+        await fs.copy(inputFiles.sourceFile, docxFile);
+
+        return await this.convert(docxFile, fb2File, callback);
+    }
+}
+
+module.exports = ConvertDocX;

server/core/BookConverter/ConvertFb2.js

@@ -3,12 +3,12 @@ const iconv = require('iconv-lite');
 
 class ConvertFb2 extends ConvertBase {
     check(data, opts) {
-        const {fileType} = opts;
+        const {dataType} = opts;
 
-        return (fileType && fileType.ext == 'xml' && data.toString().indexOf('<FictionBook') >= 0);
+        return (dataType && dataType.ext == 'xml' && data.toString().indexOf('<FictionBook') >= 0);
     }
 
-    run(data, opts) {
+    async run(data, opts) {
         if (!this.check(data, opts))
             return false;
 

server/core/BookConverter/ConvertHtml.js

@@ -4,9 +4,9 @@ const textUtils = require('./textUtils');
 
 class ConvertHtml extends ConvertBase {
     check(data, opts) {
-        const {fileType} = opts;
+        const {dataType} = opts;
 
-        if (fileType && (fileType.ext == 'html' || fileType.ext == 'xml')) 
+        if (dataType && (dataType.ext == 'html' || dataType.ext == 'xml')) 
             return {isText: false};
 
         //может это чистый текст?
@@ -17,7 +17,7 @@ class ConvertHtml extends ConvertBase {
         return false;
     }
 
-    run(data, opts) {
+    async run(data, opts) {
         const checkResult = this.check(data, opts);
         if (!checkResult)
             return false;

server/core/BookConverter/ConvertRtf.js

@@ -0,0 +1,33 @@
+const fs = require('fs-extra');
+const path = require('path');
+
+const ConvertDocX = require('./ConvertDocX');
+
+class ConvertRtf extends ConvertDocX {
+    check(data, opts) {
+        const {inputFiles} = opts;
+
+        return this.config.useExternalBookConverter && 
+            inputFiles.sourceFileType && inputFiles.sourceFileType.ext == 'rtf';
+    }
+
+    async run(data, opts) {
+        if (!this.check(data, opts))
+            return false;
+        await this.checkExternalConverterPresent();
+
+        const {inputFiles, callback} = opts;
+
+        const outFile = `${inputFiles.fileListDir}/${path.basename(inputFiles.sourceFile)}`;
+        const rtfFile = `${outFile}.rtf`;
+        const docxFile = `${outFile}.docx`;
+        const fb2File = `${outFile}.fb2`;
+
+        await fs.copy(inputFiles.sourceFile, rtfFile);
+        await this.execConverter(this.sofficePath, ['--headless', '--convert-to', 'docx', '--outdir', inputFiles.fileListDir, rtfFile]);
+
+        return await super.convert(docxFile, fb2File, callback);
+    }
+}
+
+module.exports = ConvertRtf;

server/core/BookConverter/ConvertSamlib.js

@@ -6,19 +6,20 @@ const ConvertBase = require('./ConvertBase');
 
 class ConvertSamlib extends ConvertBase {
     check(data, opts) {
-        const {url} = opts;
+        const {url, dataType} = opts;
 
         const parsedUrl = new URL(url);
-        if (parsedUrl.hostname == 'samlib.ru' ||
+        if (dataType && dataType.ext == 'html' &&
+            (parsedUrl.hostname == 'samlib.ru' ||
             parsedUrl.hostname == 'budclub.ru' ||
-            parsedUrl.hostname == 'zhurnal.lib.ru') {
+            parsedUrl.hostname == 'zhurnal.lib.ru')) {
             return {hostname: parsedUrl.hostname};
         }
 
         return false;
     }
 
-    run(data, opts) {
+    async run(data, opts) {
         const checkResult = this.check(data, opts);
         if (!checkResult)
             return false;

server/core/BookConverter/index.js

@@ -3,6 +3,9 @@ const FileDetector = require('../FileDetector');
 
 //порядок важен
 const convertClassFactory = [
+    require('./ConvertRtf'),
+    require('./ConvertDocX'),
+    require('./ConvertDoc'),
     require('./ConvertFb2'),
     require('./ConvertSamlib'),
     require('./ConvertHtml'),
@@ -18,22 +21,37 @@ class BookConverter {
         }
     }
 
-    async convertToFb2(inputFile, outputFile, url, callback) {
-        const fileType = await this.detector.detectFile(inputFile);
+    async convertToFb2(inputFiles, outputFile, url, callback) {
+        const selectedFileType = await this.detector.detectFile(inputFiles.selectedFile);
+        const data = await fs.readFile(inputFiles.selectedFile);
+
+        let selectedFileType2 = null;
+        let data2 = null;
+        if (inputFiles.nesting) {
+            selectedFileType2 = await this.detector.detectFile(inputFiles.nesting.selectedFile);
+            data2 = await fs.readFile(inputFiles.nesting.selectedFile);
+        }
         
-        const data = await fs.readFile(inputFile);
         let result = false;
         for (const convert of this.convertFactory) {
-            result = convert.run(data, {inputFile, url, callback, fileType});
+            result = await convert.run(data, {inputFiles, url, callback, dataType: selectedFileType});
             if (result) {
                 await fs.writeFile(outputFile, result);
                 break;
             }
+
+            if (inputFiles.nesting) {
+                result = await convert.run(data2, {inputFiles: inputFiles.nesting, url, callback, dataType: selectedFileType2});
+                if (result) {
+                    await fs.writeFile(outputFile, result);
+                    break;
+                }
+            }
         }
 
         if (!result) {
-            if (fileType)
-                throw new Error(`Этот формат файла не поддерживается: ${fileType.mime}`);
+            if (selectedFileType)
+                throw new Error(`Этот формат файла не поддерживается: ${selectedFileType.mime}`);
             else {
                 throw new Error(`Не удалось определить формат файла: ${url}`);
             }

server/core/FileDecompressor.js

@@ -17,8 +17,17 @@ class FileDecompressor {
     async decompressFile(filename, outputDir) {
         const fileType = await this.detector.detectFile(filename);
 
-        if (!fileType || !(fileType.ext == 'zip' || fileType.ext == 'bz2' || fileType.ext == 'gz'))
-            return filename;
+        let result = {
+            sourceFile: filename,
+            sourceFileType: fileType,
+            selectedFile: filename,
+            fileListDir: outputDir,
+            fileList: []
+        };
+
+        if (!fileType || !(fileType.ext == 'zip' || fileType.ext == 'bz2' || fileType.ext == 'gz')) {
+            return result;
+        }
 
         //дурной decompress, поэтому в 2 этапа
         //этап 1
@@ -44,20 +53,29 @@ class FileDecompressor {
             }
         }
         
-        let result = filename;
+        let sel = filename;
+        let fileList = [];
         let max = 0;
         if (files.length) {
             //ищем файл с максимальным размером
             for (let file of files) {
+                fileList.push(file.path);
                 if (file.data.length > max) {
-                    result = `${outputDir}/${file.path}`;
+                    sel = `${outputDir}/${file.path}`;
                     max = file.data.length;
                 }
             }
         }
         //дурной decompress
-        if (result != filename)
-            await fs.chmod(result, 0o664);
+        if (sel != filename)
+            await fs.chmod(sel, 0o664);
+
+        result.selectedFile = sel;
+        result.fileList = fileList;
+
+        if (sel != filename) {
+            result.nesting = await this.decompressFile(sel, `${outputDir}/${utils.randomHexString(10)}`);
+        }
 
         return result;
     }

server/core/FileDetector.js

@@ -1,57 +0,0 @@
-const detect = require('detect-file-type');
-
-//html
-detect.addSignature(
-  {
-    "type": "html",
-    "ext": "html",
-    "mime": "text/html",
-    "rules": [
-      { "type": "or", "rules":
-      [
-        { "type": "equal", "end": 5, "bytes": "3c68746d6c" },
-        { "type": "equal", "end": 10, "bytes": "3c00680074006d006c00" },
-
-        { "type": "equal", "end": 9, "bytes": "3c21646f6374797065" },
-        { "type": "equal", "end": 5, "bytes": "3c626f6479" },
-        { "type": "equal", "end": 5, "bytes": "3c68656164" },
-        { "type": "equal", "end": 7, "bytes": "3c696672616d65" },
-        { "type": "equal", "end": 4, "bytes": "3c696d67" },
-        { "type": "equal", "end": 7, "bytes": "3c6f626a656374" },
-        { "type": "equal", "end": 7, "bytes": "3c736372697074" },
-        { "type": "equal", "end": 6, "bytes": "3c7461626c65" },
-        { "type": "equal", "end": 6, "bytes": "3c7469746c65" },
-      ]
-      }
-    ]
-  }
-);
-
-//xml 3c 3f 78 6d 6c 20 76 65 72 73 69 6f 6e 3d 22 31 2e 30 22
-detect.addSignature(
-  {
-    "type": "xml",
-    "ext": "xml",
-    "mime": "application/xml",
-    "rules": [
-      { "type": "or", "rules":
-      [
-        { "type": "equal", "end": 19, "bytes": "3c3f786d6c2076657273696f6e3d22312e3022" },
-      ]
-      }
-    ]
-  }
-);
-
-class FileDetector {
-    detectFile(filename) {
-        return new Promise((resolve, reject) => {
-            detect.fromFile(filename, (err, result) => {
-                if (err) reject(err);
-                resolve(result);
-            });
-        });
-    }
-}
-
-module.exports = FileDetector;

server/core/FileDetector/index.js

@@ -0,0 +1,274 @@
+const fs = require('fs');
+const signatures = require('./signatures.json');
+
+class FileDetector {
+    detectFile(filename) {
+        return new Promise((resolve, reject) => {
+            this.fromFile(filename, 2000, (err, result) => {
+                if (err) reject(err);
+                resolve(result);
+            });
+        });
+    }
+
+    //все, что ниже, взято здесь: https://github.com/dimapaloskin/detect-file-type
+    fromFile(filePath, bufferLength, callback) {
+        if (typeof bufferLength === 'function') {
+            callback = bufferLength;
+            bufferLength = undefined;
+        }
+
+        this.getFileSize(filePath, (err, fileSize) => {
+            if (err) {
+                return callback(err);
+            }
+
+            fs.open(filePath, 'r', (err, fd) => {
+                if (err) {
+                    return callback(err);
+                }
+
+                let bufferSize = bufferLength;
+                if (!bufferSize) {
+                    bufferSize = 500;
+                }
+
+                if (fileSize < bufferSize) {
+                    bufferSize = fileSize;
+                }
+
+                const buffer = Buffer.alloc(bufferSize);
+
+                fs.read(fd, buffer, 0, bufferSize, 0, (err) => {
+                    fs.close(fd);
+
+                    if (err) {
+                      return callback(err);
+                    }
+
+                    this.fromBuffer(buffer, callback);
+                });
+            });
+        });
+    }
+
+    fromBuffer(buffer, callback) {
+        let result = null;
+
+        const invalidSignaturesList = this.validateSigantures();
+        if (invalidSignaturesList.length) {
+            return callback(invalidSignaturesList);
+        }
+
+        signatures.every((signature) => {
+            if (this.detect(buffer, signature.rules)) {
+                result = {
+                    ext: signature.ext,
+                    mime: signature.mime
+                };
+
+                if (signature.iana)
+                    result.iana = signature.iana;
+
+                return false;
+            }
+            return true;
+        });
+
+        callback(null, result);
+    }
+
+    detect(buffer, receivedRules, type) {
+        if (!type) {
+            type = 'and';
+        }
+
+        const rules = [...receivedRules];
+
+        let isDetected = true;
+        rules.every((rule) => {
+            if (rule.type === 'equal') {
+                const slicedHex = buffer.slice(rule.start || 0, rule.end || buffer.length).toString('hex');
+                isDetected = (slicedHex === rule.bytes);
+                return this.isReturnFalse(isDetected, type);
+            }
+
+            if (rule.type === 'notEqual') {
+                const slicedHex = buffer.slice(rule.start || 0, rule.end || buffer.length).toString('hex');
+                isDetected = !(slicedHex === rule.bytes);
+                return this.isReturnFalse(isDetected, type);
+            }
+
+            if (rule.type === 'contains') {
+                const slicedHex = buffer.slice(rule.start || 0, rule.end || buffer.length).toString('hex');
+                if (typeof rule.bytes === 'string') {
+                    rule.bytes = [rule.bytes];
+                }
+
+                rule.bytes.every((bytes) => {
+                    isDetected = (slicedHex.indexOf(bytes) !== -1);
+                    return isDetected;
+                });
+
+                return this.isReturnFalse(isDetected, type);
+            }
+
+            if (rule.type === 'notContains') {
+                const slicedHex = buffer.slice(rule.start || 0, rule.end || buffer.length).toString('hex');
+                if (typeof rule.bytes === 'string') {
+                    rule.bytes = [rule.bytes];
+                }
+
+                rule.bytes.every((bytes) => {
+                    isDetected = (slicedHex.indexOf(bytes) === -1);
+                    return isDetected;
+                });
+
+                return this.isReturnFalse(isDetected, type);
+            }
+
+            if (rule.type === 'or') {
+                isDetected = this.detect(buffer, rule.rules, 'or');
+                return this.isReturnFalse(isDetected, type);
+            }
+
+            if (rule.type === 'and') {
+                isDetected = this.detect(buffer, rule.rules, 'and');
+                return this.isReturnFalse(isDetected, type);
+            }
+
+            return true;
+        });
+
+        return isDetected;
+    }
+
+    isReturnFalse(isDetected, type) {
+        if (!isDetected && type === 'and') {
+            return false;
+        }
+
+        if (isDetected && type === 'or') {
+            return false;
+        }
+
+        return true;
+    }
+
+    validateRuleType(rule) {
+        const types = ['or', 'and', 'contains', 'notContains', 'equal', 'notEqual'];
+        return  (types.indexOf(rule.type) !== -1);
+    }
+
+    validateSigantures() {
+        let invalidSignatures = signatures.map((signature) => {
+            return this.validateSignature(signature);
+        });
+
+        invalidSignatures = this.cleanArray(invalidSignatures);
+
+        if (invalidSignatures.length) {
+            return invalidSignatures;
+        }
+
+        return true;
+    }
+
+    validateSignature(signature) {
+        if (!('type' in signature)) {
+            return {
+                message: 'signature does not contain "type" field',
+                signature
+            };
+        }
+
+        if (!('ext' in signature)) {
+            return {
+                message: 'signature does not contain "ext" field',
+                signature
+            };
+        }
+
+        if (!('mime' in signature)) {
+            return {
+                message: 'signature does not contain "mime" field',
+                signature
+            };
+        }
+
+        if (!('rules' in signature)) {
+            return {
+                message: 'signature does not contain "rules" field',
+                signature
+            };
+        }
+
+        const invalidRules = this.validateRules(signature.rules);
+
+        if (invalidRules && invalidRules.length) {
+            return {
+                message: 'signature has invalid rule',
+                signature,
+                rules: invalidRules
+            }
+        }
+    }
+
+    validateRules(rules) {
+        let invalidRules = rules.map((rule) => {
+            let isRuleTypeValid = this.validateRuleType(rule);
+
+            if (!isRuleTypeValid) {
+                return {
+                    message: 'rule type does not supported',
+                    rule
+                };
+            }
+
+            if ((rule.type === 'or' || rule.type === 'and') && !('rules' in rule)) {
+                return {
+                    message: 'rule should contains "rules" field',
+                    rule
+                };
+            }
+
+            if (rule.type === 'or' || rule.type === 'and') {
+                return this.validateRules(rule.rules);
+            }
+
+            return false;
+        });
+
+        invalidRules = this.cleanArray(invalidRules);
+
+        if (invalidRules.length) {
+            return invalidRules;
+        }
+    }
+
+    cleanArray(actual) {
+        let newArray = new Array();
+        for (let i = 0; i < actual.length; i++) {
+            if (actual[i]) {
+                newArray.push(actual[i]);
+            }
+        }
+        return newArray;
+    }
+
+    addSignature(signature) {
+        signatures.push(signature);
+    }
+
+    getFileSize(filePath, callback) {
+        fs.stat(filePath, (err, stat) => {
+            if (err) {
+                return callback(err);
+            }
+
+            return callback(null, stat.size);
+        });
+    }
+}
+
+module.exports = FileDetector;

server/core/FileDetector/signatures.json

@@ -0,0 +1,727 @@
+[
+  {
+    "type": "jpg",
+    "ext": "jpg",
+    "mime": "image/jpeg",
+    "rules": [
+      { "type": "equal", "start": 0, "end": 2, "bytes": "ffd8"  }
+    ]
+  },
+
+  {
+    "type": "png",
+    "ext": "png",
+    "mime": "image/png",
+    "rules": [
+      { "type": "equal", "start": 0,"end": 4, "bytes": "89504e47" }
+    ]
+  },
+
+  {
+    "type": "gif",
+    "ext": "gif",
+    "mime": "image/gif",
+    "rules": [
+      { "type": "equal", "start": 0,"end": 3, "bytes": "474946" }
+    ]
+  },
+
+  {
+    "type": "bmp",
+    "ext": "bmp",
+    "mime": "image/bmp",
+    "rules": [
+      { "type": "equal", "start": 0,"end": 2, "bytes": "424d" }
+    ]
+  },
+  {
+    "type": "webp",
+    "ext": "webp",
+    "mime": "image/webp",
+    "rules": [
+      { "type": "equal", "start": 8,"end": 12, "bytes": "57454250" }
+    ]
+  },
+
+  {
+    "type": "tif",
+    "ext": "tif",
+    "mime": "image/tiff",
+    "rules": [
+      { "type": "and", "rules":
+        [
+          { "type": "or", "rules":
+            [
+              { "type": "equal", "start": 0, "end": 4, "bytes": "49492a00" },
+              { "type": "equal", "start": 0, "end": 4,  "bytes": "4d4d002a" }
+            ]
+          },
+          { "type": "notEqual", "start": 8, "end": 10, "bytes": "4352" }
+        ]
+      }
+    ]
+  },
+
+  {
+    "type": "cr2",
+    "ext": "cr2",
+    "mime": "image/x-canon-cr2",
+    "rules": [
+      { "type": "and", "rules":
+        [
+          { "type": "or", "rules":
+            [
+              { "type": "equal", "start": 0, "end": 4, "bytes": "49492a00" },
+              { "type": "equal", "start": 0, "end": 4,  "bytes": "4d4d002a" }
+            ]
+          },
+          { "type": "equal", "start": 8, "end": 10, "bytes": "4352" }
+        ]
+      }
+    ]
+  },
+
+  {
+    "type": "jxr",
+    "ext": "jxr",
+    "mime": "image/vnd.ms-photo",
+    "rules": [
+      { "type": "equal", "start": 0, "end": 3, "bytes": "4949bc" }
+    ]
+  },
+
+  {
+    "type": "psd",
+    "ext": "psd",
+    "mime": "image/vnd.adobe.photoshop",
+    "rules": [
+      { "type": "equal", "start": 0, "end": 4, "bytes": "38425053" }
+    ]
+  },
+
+  {
+    "type": "flif",
+    "ext": "flif",
+    "mime": "image/flif",
+    "rules": [
+      { "type": "equal", "start": 0, "end": 4, "bytes": "464c4946" }
+    ]
+  },
+
+  {
+    "type": "zip",
+    "ext": "zip",
+    "mime": "application/zip",
+    "rules": [
+      { "type": "equal", "start": 0, "end": 2, "bytes": "504b" },
+      { "type": "or", "rules":
+        [
+          { "type": "equal", "start": 2, "end": 3, "bytes": "03" },
+          { "type": "equal", "start": 2, "end": 3, "bytes": "05" },
+          { "type": "equal", "start": 2, "end": 3, "bytes": "07" }
+        ]
+      },
+      { "type": "or", "rules":
+        [
+          { "type": "equal", "start": 3, "end": 4, "bytes": "04" },
+          { "type": "equal", "start": 3, "end": 4, "bytes": "06" },
+          { "type": "equal", "start": 3, "end": 4, "bytes": "08" }
+        ]
+      },
+      { "type": "notEqual", "start": 36, "end": 58, "bytes": "70656170706c69636174696f6e2f657075622b7a6970" },
+      { "type": "notEqual", "start": 30, "end": 50, "bytes": "4d4554412d494e462f6d6f7a696c6c612e727361" }
+    ]
+  },
+
+  {
+    "type": "epub",
+    "ext": "epub",
+    "mime": "application/epub+zip",
+    "rules": [
+      { "type": "equal", "start": 0, "end": 4, "bytes": "504b0304" },
+      { "type": "equal", "start": 36, "end": 58, "bytes": "70656170706c69636174696f6e2f657075622b7a6970" }
+    ]
+  },
+
+  {
+    "type": "xpi",
+    "ext": "xpi",
+    "mime": "application/x-xpinstall",
+    "rules": [
+      { "type": "equal", "start": 0, "end": 4, "bytes": "504b0304" },
+      { "type": "equal", "start": 30, "end": 50, "bytes": "4d4554412d494e462f6d6f7a696c6c612e727361" }
+    ]
+  },
+
+  {
+    "type": "tar",
+    "ext": "tar",
+    "mime": "application/x-tar",
+    "rules": [
+      { "type": "equal", "start": 257, "end": 262, "bytes": "7573746172" }
+    ]
+  },
+  {
+    "type": "rar",
+    "ext": "rar",
+    "mime": "application/x-rar-compressed",
+    "rules": [
+      { "type": "equal", "start": 0, "end": 6, "bytes": "526172211a07" },
+      { "type": "or", "rules":
+        [
+          { "type": "equal", "start": 6, "end": 7, "bytes": "00" },
+          { "type": "equal", "start": 6, "end": 7, "bytes": "01" }
+        ]
+      }
+    ]
+  },
+  {
+    "type": "gz",
+    "ext": "gz",
+    "mime": "application/gzip",
+    "rules": [
+      { "type": "equal", "start": 0, "end": 3, "bytes": "1f8b08" }
+    ]
+  },
+  {
+    "type": "bz2",
+    "ext": "bz2",
+    "mime": "application/x-bzip2",
+    "rules": [
+      { "type": "equal", "start": 0, "end": 3, "bytes": "425a68" }
+    ]
+  },
+  {
+    "type": "7z",
+    "ext": "7z",
+    "mime": "application/x-7z-compressed",
+    "rules": [
+      { "type": "equal", "start": 0, "end": 6, "bytes": "377abcaf271c" }
+    ]
+  },
+  {
+    "type": "dmg",
+    "ext": "dmg",
+    "mime": "application/x-apple-diskimage",
+    "rules": [
+      { "type": "equal", "start": 0, "end": 2, "bytes": "7801" }
+    ]
+  },
+
+  {
+    "type": "mp4",
+    "ext": "mp4",
+    "mime": "video/mp4",
+    "rules": [
+      { "type": "or", "rules":
+        [
+          { "type": "and", "rules":
+            [
+              { "type": "equal", "start": 0, "end": 3, "bytes": "000000" },
+              { "type": "or", "rules":
+                [
+                  { "type": "equal", "start": 3, "end": 4, "bytes": "18" },
+                  { "type": "equal", "start": 3, "end": 4, "bytes": "20" }
+                ]
+              },
+              { "type": "equal", "start": 4, "end": 8, "bytes": "66747970" }
+            ]
+          },
+          { "type": "equal", "start": 0, "end": 4, "bytes": "33677035" },
+          { "type": "and", "rules":
+            [
+              { "type": "equal", "start": 0, "end": 11, "bytes": "0000001c667479706d7034" },
+              { "type": "equal", "start": 16, "end": 28, "bytes": "6d7034316d70343269736f6d" }
+            ]
+          },
+          { "type": "equal", "start": 0, "end": 12, "bytes": "0000001c6674797069736f6d" },
+          { "type": "equal", "start": 0, "end": 16, "bytes": "0000001c667479706d70343200000000" }
+        ]
+      }
+    ]
+  },
+
+  {
+    "type": "m4v",
+    "ext": "m4v",
+    "mime": "video/x-m4v",
+    "rules": [
+      { "type": "equal", "start": 0, "end": 11, "bytes": "0000001c667479704d3456" }
+    ]
+  },
+
+  {
+    "type": "mid",
+    "ext": "mid",
+    "mime": "audio/midi",
+    "rules": [
+      { "type": "equal", "start": 0, "end": 4, "bytes": "4d546864" }
+    ]
+  },
+
+  {
+    "type": "mkv",
+    "ext": "mkv",
+    "mime": "video/x-matroska",
+    "rules": [
+      { "type": "equal", "start": 31, "end": 39, "bytes": "6d6174726f736b61" }
+    ]
+  },
+
+  {
+    "type": "webm",
+    "ext": "webm",
+    "mime": "video/webm",
+    "rules": [
+      { "type": "equal", "start": 0, "end": 4, "bytes": "1a45dfa3" },
+      { "type": "notEqual", "start": 31, "end": 39, "bytes": "6d6174726f736b61" }
+    ]
+  },
+
+  {
+    "type": "wmv",
+    "ext": "wmv",
+    "mime": "video/x-ms-wmv",
+    "rules": [
+      { "type": "equal", "start": 0, "end": 10, "bytes": "3026b2758e66cf11a6d9" }
+    ]
+  },
+
+  {
+    "type": "mpg",
+    "ext": "mpg",
+    "mime": "video/mpeg",
+    "rules": [
+      { "type": "equal", "start": 0, "end": 3, "bytes": "000001" },
+      { "type": "or", "rules":
+        [
+          { "type": "equal", "start": 3, "end": 4, "bytes": "b0"},
+          { "type": "equal", "start": 3, "end": 4, "bytes": "b1"},
+          { "type": "equal", "start": 3, "end": 4, "bytes": "b2"},
+          { "type": "equal", "start": 3, "end": 4, "bytes": "b3"},
+          { "type": "equal", "start": 3, "end": 4, "bytes": "b4"},
+          { "type": "equal", "start": 3, "end": 4, "bytes": "b5"},
+          { "type": "equal", "start": 3, "end": 4, "bytes": "b6"},
+          { "type": "equal", "start": 3, "end": 4, "bytes": "b7"},
+          { "type": "equal", "start": 3, "end": 4, "bytes": "b8"},
+          { "type": "equal", "start": 3, "end": 4, "bytes": "b9"},
+          { "type": "equal", "start": 3, "end": 4, "bytes": "ba"},
+          { "type": "equal", "start": 3, "end": 4, "bytes": "bb"},
+          { "type": "equal", "start": 3, "end": 4, "bytes": "bc"},
+          { "type": "equal", "start": 3, "end": 4, "bytes": "bd"},
+          { "type": "equal", "start": 3, "end": 4, "bytes": "be"},
+          { "type": "equal", "start": 3, "end": 4, "bytes": "bf"}
+        ]
+      }
+    ]
+  },
+
+  {
+    "type": "mp3",
+    "ext": "mp3",
+    "mime": "audio/mpeg",
+    "rules": [
+      { "type": "or", "rules":
+        [
+          { "type": "equal", "start": 0, "end": 3, "bytes": "494433" },
+          { "type": "equal", "start": 0, "end": 2, "bytes": "fffb" }
+        ]
+      }
+    ]
+  },
+
+  {
+    "type": "m4a",
+    "ext": "m4a",
+    "mime": "audio/m4a",
+    "rules": [
+      { "type": "or", "rules":
+        [
+          { "type": "equal", "start": 4, "end": 11, "bytes": "667479704d3441" },
+          { "type": "equal", "start": 0, "end": 4, "bytes": "4d344120" }
+        ]
+      }
+    ]
+  },
+
+  {
+    "type": "opus",
+    "ext": "opus",
+    "mime": "audio/opus",
+    "rules": [
+      { "type": "equal", "start": 28, "end": 36, "bytes": "4f70757348656164" }
+    ]
+  },
+
+  {
+    "type": "ogg",
+    "ext": "ogg",
+    "mime": "audio/ogg",
+    "rules": [
+      { "type": "equal", "start": 0, "end": 4, "bytes": "4f676753" },
+      { "type": "notEqual", "start": 28, "end": 36, "bytes": "4f70757348656164" }
+    ]
+  },
+
+  {
+    "type": "flac",
+    "ext": "flac",
+    "mime": "audio/x-flac",
+    "rules": [
+      { "type": "equal", "start": 0, "end": 4, "bytes": "664c6143" }
+    ]
+  },
+
+  {
+    "type": "wav",
+    "ext": "wav",
+    "mime": "audio/x-wav",
+    "rules": [
+      { "type": "equal", "start": 0, "end": 4, "bytes": "52494646" },
+      { "type": "equal", "start": 8, "end": 12, "bytes": "57415645" }
+    ]
+  },
+
+  {
+    "type": "amr",
+    "ext": "amr",
+    "mime": "audio/amr",
+    "rules": [
+      { "type": "equal", "start": 0, "end": 6, "bytes": "2321414d520a" }
+    ]
+  },
+
+  {
+    "type": "pdf",
+    "ext": "pdf",
+    "mime": "application/pdf",
+    "rules": [
+      { "type": "equal", "start": 0, "end": 4, "bytes": "25504446" }
+    ]
+  },
+
+  {
+    "type": "exe",
+    "ext": "exe",
+    "mime": "application/x-msdownload",
+    "iana": "application/vnd.microsoft.portable-executable",
+    "rules": [
+      { "type": "or", "rules":
+        [
+          { "type": "equal", "start": 0, "end": 2, "bytes": "4d5a" },
+          { "type": "equal", "start": 0, "end": 2, "bytes": "4d7a" },
+          { "type": "equal", "start": 0, "end": 2, "bytes": "6d7a" },
+          { "type": "equal", "start": 0, "end": 2, "bytes": "6d5a" }
+        ]
+      }
+    ]
+  },
+
+  {
+    "type": "swf",
+    "ext": "swf",
+    "mime": "application/x-shockwave-flash",
+    "iana": "application/vnd.adobe.flash.movie",
+    "rules": [
+      { "type": "or", "rules":
+        [
+          { "type": "equal", "start": 0, "end": 1, "bytes": "43" },
+          { "type": "equal", "start": 0, "end": 1, "bytes": "46" }
+        ]
+      },
+      { "type": "equal", "start": 1, "end": 3, "bytes": "5753" }
+    ]
+  },
+
+  {
+    "type": "rtf",
+    "ext": "rtf",
+    "mime": "application/rtf",
+    "rules": [
+      { "type": "equal", "start": 0, "end": 5, "bytes": "7b5c727466" }
+    ]
+  },
+
+  {
+    "type": "mov",
+    "ext": "mov",
+    "mime": "video/quicktime",
+    "rules": [
+      { "type": "equal", "start": 0, "end": 8, "bytes": "0000001466747970" }
+    ]
+  },
+
+  {
+    "type": "avi",
+    "ext": "avi",
+    "mime": "video/x-msvideo",
+    "rules": [
+      { "type": "equal", "start": 0, "end": 4, "bytes": "52494646" },
+      { "type": "equal", "start": 8, "end": 11, "bytes": "415649" }
+    ]
+  },
+
+  {
+    "type": "woff",
+    "ext": "woff",
+    "mime": "application/font-woff",
+    "rules": [
+      { "type": "equal", "start": 0, "end": 4, "bytes": "774f4646" },
+      { "type": "or", "rules":
+        [
+          { "type": "equal", "start": 4, "end": 8, "bytes": "00010000" },
+          { "type": "equal", "start": 4, "end": 8, "bytes": "4f54544f" }
+        ]
+      }
+    ]
+  },
+
+  {
+    "type": "woff2",
+    "ext": "woff2",
+    "mime": "application/font-woff",
+    "rules": [
+      { "type": "equal", "start": 0, "end": 4, "bytes": "774f4632" },
+      { "type": "or", "rules":
+        [
+          { "type": "equal", "start": 4, "end": 8, "bytes": "00010000" },
+          { "type": "equal", "start": 4, "end": 8, "bytes": "4f54544f" }
+        ]
+      }
+    ]
+  },
+
+  {
+    "type": "eot",
+    "ext": "eot",
+    "mime": "application/octet-stream",
+    "rules": [
+      { "type": "equal", "start": 34, "end": 36, "bytes": "4c50" },
+      { "type": "or", "rules":
+        [
+          { "type": "equal", "start": 8, "end": 11, "bytes": "000001" },
+          { "type": "equal", "start": 8, "end": 11, "bytes": "010002" },
+          { "type": "equal", "start": 8, "end": 11, "bytes": "020002" }
+        ]
+      }
+    ]
+  },
+
+  {
+    "type": "ttf",
+    "ext": "ttf",
+    "mime": "application/font-sfnt",
+    "rules": [
+      { "type": "equal", "start": 0, "end": 5, "bytes": "0001000000" }
+    ]
+  },
+
+  {
+    "type": "otf",
+    "ext": "otf",
+    "mime": "application/font-sfnt",
+    "rules": [
+      { "type": "equal", "start": 0, "end": 5, "bytes": "4f54544f00" }
+    ]
+  },
+
+  {
+    "type": "ico",
+    "ext": "ico",
+    "mime": "application/x-icon",
+    "iana": "image/vnd.microsoft.icon",
+    "rules": [
+      { "type": "equal", "start": 0, "end": 4, "bytes": "00000100" }
+    ]
+  },
+
+  {
+    "type": "flv",
+    "ext": "flv",
+    "mime": "application/x-flv",
+    "rules": [
+      { "type": "equal", "start": 0, "end": 4, "bytes": "464c5601" }
+    ]
+  },
+
+  {
+    "type": "ps",
+    "ext": "ps",
+    "mime": "application/postscript",
+    "rules": [
+      { "type": "equal", "start": 0, "end": 2, "bytes": "2521" }
+    ]
+  },
+
+  {
+    "type": "xz",
+    "ext": "xz",
+    "mime": "application/x-xz",
+    "rules": [
+      { "type": "equal", "start": 0, "end": 6, "bytes": "fd377a585a00" }
+    ]
+  },
+
+  {
+    "type": "sqlite",
+    "ext": "sqlite",
+    "mime": "application/x-sqlite3",
+    "iana": "application/vnd.sqlite3",
+    "rules": [
+      { "type": "equal", "start": 0, "end": 4, "bytes": "53514c69" }
+    ]
+  },
+
+  {
+    "type": "nes",
+    "ext": "nes",
+    "mime": "application/x-nintendo-nes-rom",
+    "rules": [
+      { "type": "equal", "start": 0, "end": 4, "bytes": "4e45531a" }
+    ]
+  },
+
+  {
+    "type": "crx",
+    "ext": "crx",
+    "mime": "application/x-google-chrome-extension",
+    "rules": [
+      { "type": "equal", "start": 0, "end": 4, "bytes": "43723234" }
+    ]
+  },
+
+  {
+    "type": "cab",
+    "ext": "cab",
+    "mime": "application/vnd.ms-cab-compressed",
+    "rules": [
+      { "type": "or", "rules":
+        [
+          { "type": "equal", "start": 0, "end": 4, "bytes": "4d534346" },
+          { "type": "equal", "start": 0, "end": 4, "bytes": "49536328" }
+        ]
+      }
+    ]
+  },
+
+  {
+    "type": "ar",
+    "ext": "ar",
+    "mime": "application/x-unix-archive",
+    "rules": [
+      { "type": "equal", "start": 0, "end": 7, "bytes": "213c617263683e" },
+      { "type": "notEqual", "start": 0, "end": 21, "bytes": "213c617263683e0a64656269616e2d62696e617279" }
+    ]
+  },
+
+  {
+    "type": "deb",
+    "ext": "deb",
+    "mime": "application/x-deb",
+    "rules": [
+      { "type": "equal", "start": 0, "end": 21, "bytes": "213c617263683e0a64656269616e2d62696e617279" }
+    ]
+  },
+
+  {
+    "type": "rpm",
+    "ext": "rpm",
+    "mime": "application/x-rpm",
+    "rules": [
+      { "type": "equal", "start": 0, "end": 4, "bytes": "edabeedb" }
+    ]
+  },
+
+  {
+    "type": "Z",
+    "ext": "Z",
+    "mime": "application/x-compress",
+    "rules": [
+      { "type": "or", "rules":
+        [
+          { "type": "equal", "start": 0, "end": 2, "bytes": "1fa0" },
+          { "type": "equal", "start": 0, "end": 2, "bytes": "1f9d" }
+        ]
+      }
+    ]
+  },
+
+  {
+    "type": "lz",
+    "ext": "lz",
+    "mime": "application/x-lzip",
+    "rules": [
+      { "type": "equal", "start": 0, "end": 4, "bytes": "4c5a4950" }
+    ]
+  },
+
+  {
+    "type": "msi",
+    "ext": "msi",
+    "mime": "application/x-msi",
+    "rules": [
+      { "type": "equal", "start": 0, "end": 8, "bytes": "d0cf11e0a1b11ae1" }
+    ]
+  },
+
+  {
+    "type": "svg",
+    "ext": "svg",
+    "mime": "image/svg+xml",
+    "rules": [
+      { "type": "contains", "bytes": "3c737667" }
+    ]
+  },
+
+  {
+    "type": "html",
+    "ext": "html",
+    "mime": "text/html",
+    "rules": [
+      { "type": "or", "rules":
+      [
+        { "type": "contains", "bytes": "3c68746d6c" },
+        { "type": "contains", "bytes": "3c00680074006d006c00" },
+        { "type": "equal", "end": 5, "bytes": "3c68746d6c" },
+        { "type": "equal", "end": 10, "bytes": "3c00680074006d006c00" },
+        { "type": "equal", "end": 9, "bytes": "3c21646f6374797065" },
+        { "type": "equal", "end": 5, "bytes": "3c626f6479" },
+        { "type": "equal", "end": 5, "bytes": "3c68656164" },
+        { "type": "equal", "end": 7, "bytes": "3c696672616d65" },
+        { "type": "equal", "end": 4, "bytes": "3c696d67" },
+        { "type": "equal", "end": 7, "bytes": "3c6f626a656374" },
+        { "type": "equal", "end": 7, "bytes": "3c736372697074" },
+        { "type": "equal", "end": 6, "bytes": "3c7461626c65" },
+        { "type": "equal", "end": 6, "bytes": "3c7469746c65" }
+      ]
+      }
+    ]
+  },
+
+  {
+    "type": "docx",
+    "ext": "docx",
+    "mime": "application/vnd.openxmlformats-officedocument.wordprocessingml.document",
+    "rules": [
+      { "type": "or", "rules":
+      [
+        { "type": "contains", "bytes": "6170706c69636174696f6e2f766e642e6f70656e786d6c666f726d6174732d6f6666696365646f63756d656e74" }
+      ]
+      }
+    ]
+  },
+
+  {
+    "type": "xml",
+    "ext": "xml",
+    "mime": "application/xml",
+    "rules": [
+      { "type": "or", "rules":
+      [
+        { "type": "equal", "end": 19, "bytes": "3c3f786d6c2076657273696f6e3d22312e3022" }
+      ]
+      }
+    ]
+  }
+
+]

server/core/ReaderWorker.js

@@ -63,13 +63,13 @@ class ReaderWorker {
             //decompress
             wState.set({state: 'decompress', step: 2, progress: 0});
             decompDir = `${this.config.tempDownloadDir}/${decompDirname}`;
-            const decompFilename = await this.decomp.decompressFile(downloadedFilename, decompDir);
+            const decompFiles = await this.decomp.decompressFile(downloadedFilename, decompDir);
             wState.set({progress: 100});
             
             //конвертирование в fb2
             wState.set({state: 'convert', step: 3, progress: 0});
             convertFilename = `${this.config.tempDownloadDir}/${tempFilename2}`;
-            await this.bookConverter.convertToFb2(decompFilename, convertFilename, url, progress => {
+            await this.bookConverter.convertToFb2(decompFiles, convertFilename, url, progress => {
                 wState.set({progress});
             });
 
@@ -83,8 +83,9 @@ class ReaderWorker {
             wState.finish({path: `/tmp/${finishFilename}`});
 
         } catch (e) {
+            if (this.config.branch == 'development')
+                console.error(e);
             wState.set({state: 'error', error: (errMes ? errMes : e.message)});
-
         } finally {
             //clean
             if (decompDir)

server/core/utils.js

@@ -1,3 +1,4 @@
+const { spawn } = require('child_process');
 const fs = require('fs-extra');
 const crypto = require('crypto');
 
@@ -13,8 +14,48 @@ async function touchFile(filename) {
     await fs.utimes(filename, Date.now()/1000, Date.now()/1000);
 }
 
+function spawnProcess(cmd, opts) {
+    let {args, killAfter, onData} = opts;
+    killAfter = (killAfter ? killAfter : 120*1000);
+    onData = (onData ? onData : () => {});
+    args = (args ? args : []);
+
+    return new Promise(async(resolve, reject) => {
+        let resolved = false;
+        const proc = spawn(cmd, args, {detached: true});
+
+        let stdout = '';
+        proc.stdout.on('data', (data) => {
+            stdout += data;
+            onData(data);
+        });
+
+        let stderr = '';
+        proc.stderr.on('data', (data) => {
+            stderr += data;
+            onData(data);
+        });
+
+        proc.on('close', (code) => {
+            resolved = true;
+            resolve({status: 'close', code, stdout, stderr});
+        });
+
+        proc.on('error', (error) => {
+            reject({status: 'error', error, stdout, stderr});
+        });
+
+        await sleep(killAfter);
+        if (!resolved) {
+            process.kill(proc.pid);
+            reject({status: 'killed', stdout, stderr});
+        }
+    });
+}
+
 module.exports = {
     sleep,
     randomHexString,
-    touchFile
+    touchFile,
+    spawnProcess
 };

server/index.js

@@ -90,7 +90,7 @@ async function main() {
     try {
         await main();
     } catch (e) {
-        console.error(e.message);
+        console.error(e);
         process.exit(1);
     }
 })();