Начата переделка FileDecompressor - отказ от использования багнутого пакета decompress

This commit is contained in:
Book Pauk
2019-03-01 18:00:09 +07:00
parent 8584ddd00e
commit d88d5a1352
8 changed files with 139 additions and 294 deletions

300
package-lock.json generated
View File

@@ -1,6 +1,6 @@
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"got": "^9.5.1",
@@ -76,6 +73,7 @@
"path-browserify": "^1.0.0",
"sql-template-strings": "^2.2.2",
"sqlite": "^3.0.0",
"unbzip2-stream": "^1.3.3",
"vue": "^2.5.21",
"vue-router": "^3.0.2",
"vuex": "^3.0.1",

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@@ -18,13 +18,13 @@ class ConvertDoc extends ConvertDocX {
const {inputFiles, callback} = opts;
const outFile = `${inputFiles.fileListDir}/${path.basename(inputFiles.sourceFile)}`;
const outFile = `${inputFiles.filesDir}/${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]);
await this.execConverter(this.sofficePath, ['--headless', '--convert-to', 'docx', '--outdir', inputFiles.filesDir, docFile]);
return await super.convert(docxFile, fb2File, callback);
}

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@@ -10,7 +10,7 @@ class ConvertDocX extends ConvertBase {
if (this.config.useExternalBookConverter &&
inputFiles.sourceFileType && inputFiles.sourceFileType.ext == 'zip') {
//ищем файл '[Content_Types].xml'
for (const file of inputFiles.fileList) {
for (const file of inputFiles.files) {
if (file == '[Content_Types].xml') {
return true;
}
@@ -37,7 +37,7 @@ class ConvertDocX extends ConvertBase {
const {inputFiles, callback} = opts;
const outFile = `${inputFiles.fileListDir}/${path.basename(inputFiles.sourceFile)}`;
const outFile = `${inputFiles.filesDir}/${path.basename(inputFiles.sourceFile)}`;
const docxFile = `${outFile}.docx`;
const fb2File = `${outFile}.fb2`;

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@@ -19,7 +19,7 @@ class ConvertPdf extends ConvertHtml {
const {inputFiles, callback} = opts;
const outFile = `${inputFiles.fileListDir}/${utils.randomHexString(10)}.xml`;
const outFile = `${inputFiles.filesDir}/${utils.randomHexString(10)}.xml`;
//конвертируем в xml
let perc = 0;

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@@ -18,13 +18,13 @@ class ConvertRtf extends ConvertDocX {
const {inputFiles, callback} = opts;
const outFile = `${inputFiles.fileListDir}/${path.basename(inputFiles.sourceFile)}`;
const outFile = `${inputFiles.filesDir}/${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]);
await this.execConverter(this.sofficePath, ['--headless', '--convert-to', 'docx', '--outdir', inputFiles.filesDir, rtfFile]);
return await super.convert(docxFile, fb2File, callback);
}

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@@ -3,9 +3,8 @@ const zlib = require('zlib');
const crypto = require('crypto');
const path = require('path');
const utils = require('./utils');
const decompress = require('decompress');
const decompressGz = require('decompress-gz');
const decompressBzip2 = require('decompress-bzip2');
const extractZip = require('extract-zip');
const unbzip2Stream = require('unbzip2-stream');
const FileDetector = require('./FileDetector');
@@ -14,7 +13,7 @@ class FileDecompressor {
this.detector = new FileDetector();
}
async decompressFile(filename, outputDir) {
async decompressNested(filename, outputDir) {
await fs.ensureDir(outputDir);
const fileType = await this.detector.detectFile(filename);
@@ -23,65 +22,88 @@ class FileDecompressor {
sourceFile: filename,
sourceFileType: fileType,
selectedFile: filename,
fileListDir: outputDir,
fileList: []
filesDir: outputDir,
files: []
};
if (!fileType || !(fileType.ext == 'zip' || fileType.ext == 'bz2' || fileType.ext == 'gz')) {
return result;
}
//дурной decompress, поэтому в 2 этапа
//этап 1
let files = [];
try {
files = await decompress(filename, outputDir);
} catch (e) {
//
}
result.files = await this.decompressTar(fileType.ext, filename, outputDir);
//этап 2
if (files.length == 0) {
try {
files = await decompress(filename, outputDir, {
inputFile: filename,
plugins: [
decompressGz(),
decompressBzip2({path: path.basename(filename)}),
]
});
} catch (e) {
//
}
}
let sel = filename;
let fileList = [];
let max = 0;
if (files.length) {
if (result.files.length) {
//ищем файл с максимальным размером
for (let file of files) {
fileList.push(file.path);
if (file.data.length > max) {
for (let file of result.files) {
if (file.size > max) {
sel = `${outputDir}/${file.path}`;
max = file.data.length;
max = file.size;
}
}
}
//дурной decompress
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)}`);
result.nesting = await this.decompressNested(sel, `${outputDir}/${utils.randomHexString(10)}`);
}
return result;
}
async decompressTar(fileExt, filename, outputDir) {
return await this.decompress(fileExt, filename, outputDir);
}
async decompress(fileExt, filename, outputDir) {
let files = [];
switch (fileExt) {
case 'zip':
files = await this.unZip(filename, outputDir);
break;
/*case 'bz2':
files = await this.unBz2(filename, outputDir);
break;
case 'gz':
files = await this.unGz(filename, outputDir);
break;
case 'tar':
files = await this.unTar(filename, outputDir);
break;*/
default:
throw new Error(`FileDecompressor: неизвестный формат файла '${fileExt}'`);
}
return files;
}
async unZip(filename, outputDir) {
return new Promise((resolve, reject) => {
const files = [];
extractZip(filename, {
dir: outputDir,
onEntry: (entry) => {
files.push({path: entry.fileName, size: entry.uncompressedSize});
}
}, (err) => {
if (err)
reject(err);
resolve(files);
});
});
}
async unBz2(filename, outputDir) {
}
async unGz(filename, outputDir) {
}
async unTar(filename, outputDir) {
}
async gzipBuffer(buf) {
return new Promise((resolve, reject) => {
zlib.gzip(buf, {level: 1}, (err, result) => {

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@@ -63,7 +63,14 @@ class ReaderWorker {
//decompress
wState.set({state: 'decompress', step: 2, progress: 0});
decompDir = `${this.config.tempDownloadDir}/${decompDirname}`;
const decompFiles = await this.decomp.decompressFile(downloadedFilename, decompDir);
let decompFiles = {};
try {
decompFiles = await this.decomp.decompressNested(downloadedFilename, decompDir);
} catch (e) {
if (this.config.branch == 'development')
console.error(e);
throw new Error('Ошибка распаковки');
}
wState.set({progress: 100});
//конвертирование в fb2