3 This file is part of Minitube.
4 Copyright 2009, Flavio Tordini <flavio.tordini@gmail.com>
6 Minitube is free software: you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation, either version 3 of the License, or
9 (at your option) any later version.
11 Minitube is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with Minitube. If not, see <http://www.gnu.org/licenses/>.
22 #include "networkaccess.h"
24 #include "videodefinition.h"
25 #include "jsfunctions.h"
26 #include "temporary.h"
27 #include "compatibility/qurlqueryhelper.h"
28 #include "datautils.h"
31 NetworkAccess* http();
35 static const QString jsNameChars = "a-zA-Z0-9\\$_";
38 Video::Video() : m_duration(0),
40 m_license(LicenseYouTube),
44 loadingStreamUrl(false),
45 loadingThumbnail(false) {
48 Video* Video::clone() {
49 Video* cloneVideo = new Video();
50 cloneVideo->m_title = m_title;
51 cloneVideo->m_description = m_description;
52 cloneVideo->m_channelTitle = m_channelTitle;
53 cloneVideo->m_channelId = m_channelId;
54 cloneVideo->m_webpage = m_webpage;
55 cloneVideo->m_streamUrl = m_streamUrl;
56 cloneVideo->m_thumbnail = m_thumbnail;
57 cloneVideo->m_thumbnailUrl = m_thumbnailUrl;
58 cloneVideo->m_mediumThumbnailUrl = m_mediumThumbnailUrl;
59 cloneVideo->m_duration = m_duration;
60 cloneVideo->m_published = m_published;
61 cloneVideo->m_viewCount = m_viewCount;
62 cloneVideo->videoId = videoId;
63 cloneVideo->videoToken = videoToken;
64 cloneVideo->definitionCode = definitionCode;
68 const QString &Video::webpage() {
69 if (m_webpage.isEmpty() && !videoId.isEmpty())
70 m_webpage.append("https://www.youtube.com/watch?v=").append(videoId);
74 void Video::setWebpage(const QString &value) {
78 if (videoId.isEmpty()) {
79 QRegExp re(JsFunctions::instance()->videoIdRE());
80 if (re.indexIn(m_webpage) == -1) {
81 qWarning() << QString("Cannot get video id for %1").arg(m_webpage);
82 // emit errorStreamUrl(QString("Cannot get video id for %1").arg(m_webpage.toString()));
83 // loadingStreamUrl = false;
90 void Video::loadThumbnail() {
91 if (m_thumbnailUrl.isEmpty() || loadingThumbnail) return;
92 loadingThumbnail = true;
93 QObject *reply = The::http()->get(m_thumbnailUrl);
94 connect(reply, SIGNAL(data(QByteArray)), SLOT(setThumbnail(QByteArray)));
97 void Video::setThumbnail(QByteArray bytes) {
98 loadingThumbnail = false;
99 m_thumbnail = QPixmap();
100 m_thumbnail.loadFromData(bytes);
101 if (m_thumbnail.width() > 160)
102 m_thumbnail = m_thumbnail.scaledToWidth(160, Qt::SmoothTransformation);
106 void Video::loadMediumThumbnail() {
107 if (m_mediumThumbnailUrl.isEmpty()) return;
108 QObject *reply = The::http()->get(m_mediumThumbnailUrl);
109 connect(reply, SIGNAL(data(QByteArray)), SIGNAL(gotMediumThumbnail(QByteArray)));
112 void Video::loadStreamUrl() {
113 if (loadingStreamUrl) {
114 qDebug() << "Already loading stream URL for" << this->title();
117 loadingStreamUrl = true;
124 void Video::getVideoInfo() {
125 static const QStringList elTypes = QStringList() << "&el=embedded" << "&el=detailpage" << "&el=vevo" << "";
128 if (elIndex == elTypes.size()) {
129 // qDebug() << "Trying special embedded el param";
130 url = QUrl("https://www.youtube.com/get_video_info");
132 QUrlQueryHelper urlHelper(url);
133 urlHelper.addQueryItem("video_id", videoId);
134 urlHelper.addQueryItem("el", "embedded");
135 urlHelper.addQueryItem("gl", "US");
136 urlHelper.addQueryItem("hl", "en");
137 urlHelper.addQueryItem("eurl", "https://youtube.googleapis.com/v/" + videoId);
138 urlHelper.addQueryItem("asv", "3");
139 urlHelper.addQueryItem("sts", "1588");
140 } else if (elIndex > elTypes.size() - 1) {
141 qWarning() << "Cannot get video info";
142 loadingStreamUrl = false;
143 emit errorStreamUrl("Cannot get video info");
146 // qDebug() << "Trying el param:" << elTypes.at(elIndex) << elIndex;
148 "https://www.youtube.com/get_video_info?video_id=%1%2&ps=default&eurl=&gl=US&hl=en"
149 ).arg(videoId, elTypes.at(elIndex)));
152 QObject *reply = The::http()->get(url);
153 connect(reply, SIGNAL(data(QByteArray)), SLOT(gotVideoInfo(QByteArray)));
154 connect(reply, SIGNAL(error(QNetworkReply*)), SLOT(errorVideoInfo(QNetworkReply*)));
156 // see you in gotVideoInfo...
159 void Video::gotVideoInfo(QByteArray data) {
160 QString videoInfo = QString::fromUtf8(data);
161 // qDebug() << "videoInfo" << videoInfo;
164 QRegExp videoTokeRE(JsFunctions::instance()->videoTokenRE());
165 if (videoTokeRE.indexIn(videoInfo) == -1) {
166 qDebug() << "Cannot get token. Trying next el param" << videoInfo << videoTokeRE.pattern();
167 // Don't panic! We're gonna try another magic "el" param
173 QString videoToken = videoTokeRE.cap(1);
174 // qDebug() << "got token" << videoToken;
175 while (videoToken.contains('%'))
176 videoToken = QByteArray::fromPercentEncoding(videoToken.toLatin1());
177 // qDebug() << "videoToken" << videoToken;
178 this->videoToken = videoToken;
181 QRegExp fmtMapRE(JsFunctions::instance()->videoInfoFmtMapRE());
182 if (fmtMapRE.indexIn(videoInfo) == -1) {
183 // qDebug() << "Cannot get urlMap. Trying next el param";
184 // Don't panic! We're gonna try another magic "el" param
190 // qDebug() << "Got token and urlMap" << elIndex;
192 QString fmtUrlMap = fmtMapRE.cap(1);
193 // qDebug() << "got fmtUrlMap" << fmtUrlMap;
194 fmtUrlMap = QByteArray::fromPercentEncoding(fmtUrlMap.toUtf8());
195 parseFmtUrlMap(fmtUrlMap);
198 void Video::parseFmtUrlMap(const QString &fmtUrlMap, bool fromWebPage) {
199 const QString definitionName = QSettings().value("definition", "360p").toString();
200 const VideoDefinition& definition = VideoDefinition::getDefinitionFor(definitionName);
202 // qDebug() << "fmtUrlMap" << fmtUrlMap;
203 const QStringList formatUrls = fmtUrlMap.split(',', QString::SkipEmptyParts);
204 QHash<int, QString> urlMap;
205 foreach(const QString &formatUrl, formatUrls) {
206 // qDebug() << "formatUrl" << formatUrl;
207 const QStringList urlParams = formatUrl.split('&', QString::SkipEmptyParts);
208 // qDebug() << "urlParams" << urlParams;
213 foreach(const QString &urlParam, urlParams) {
214 // qWarning() << urlParam;
215 if (urlParam.startsWith("itag=")) {
216 int separator = urlParam.indexOf("=");
217 format = urlParam.mid(separator + 1).toInt();
218 } else if (urlParam.startsWith("url=")) {
219 int separator = urlParam.indexOf("=");
220 url = urlParam.mid(separator + 1);
221 url = QByteArray::fromPercentEncoding(url.toUtf8());
222 } else if (urlParam.startsWith("sig=")) {
223 int separator = urlParam.indexOf("=");
224 sig = urlParam.mid(separator + 1);
225 sig = QByteArray::fromPercentEncoding(sig.toUtf8());
226 } else if (urlParam.startsWith("s=")) {
227 if (fromWebPage || ageGate) {
228 int separator = urlParam.indexOf("=");
229 sig = urlParam.mid(separator + 1);
230 sig = QByteArray::fromPercentEncoding(sig.toUtf8());
232 sig = JsFunctions::instance()->decryptAgeSignature(sig);
234 sig = decryptSignature(sig);
236 sig = JsFunctions::instance()->decryptSignature(sig);
240 QUrl url("http://www.youtube.com/watch");
242 QUrlQueryHelper urlHelper(url);
243 urlHelper.addQueryItem("v", videoId);
244 urlHelper.addQueryItem("gl", "US");
245 urlHelper.addQueryItem("hl", "en");
246 urlHelper.addQueryItem("has_verified", "1");
248 // qDebug() << "Loading webpage" << url;
249 QObject *reply = The::http()->get(url);
250 connect(reply, SIGNAL(data(QByteArray)), SLOT(scrapeWebPage(QByteArray)));
251 connect(reply, SIGNAL(error(QNetworkReply*)), SLOT(errorVideoInfo(QNetworkReply*)));
252 // see you in scrapWebPage(QByteArray)
257 if (format == -1 || url.isNull()) continue;
259 url += "&signature=" + sig;
261 if (!url.contains("ratebypass"))
262 url += "&ratebypass=yes";
264 // qWarning() << url;
266 if (format == definition.getCode()) {
267 // qDebug() << "Found format" << definitionCode;
268 saveDefinitionForUrl(url, definition);
272 urlMap.insert(format, url);
275 const QList<VideoDefinition>& definitions = VideoDefinition::getDefinitions();
276 int previousIndex = std::max(definitions.indexOf(definition) - 1, 0);
277 for (; previousIndex >= 0; previousIndex--) {
278 const VideoDefinition& previousDefinition = definitions.at(previousIndex);
279 if (urlMap.contains(previousDefinition.getCode())) {
280 // qDebug() << "Found format" << definitionCode;
281 saveDefinitionForUrl(urlMap.value(previousDefinition.getCode()),
287 emit errorStreamUrl(tr("Cannot get video stream for %1").arg(m_webpage));
290 void Video::errorVideoInfo(QNetworkReply *reply) {
291 loadingStreamUrl = false;
292 emit errorStreamUrl(tr("Network error: %1 for %2").arg(reply->errorString(), reply->url().toString()));
295 void Video::scrapeWebPage(QByteArray data) {
296 QString html = QString::fromUtf8(data);
298 QRegExp ageGateRE(JsFunctions::instance()->ageGateRE());
299 if (ageGateRE.indexIn(html) != -1) {
300 // qDebug() << "Found ageGate";
307 QRegExp fmtMapRE(JsFunctions::instance()->webPageFmtMapRE());
308 if (fmtMapRE.indexIn(html) == -1) {
309 qWarning() << "Error parsing video page";
310 // emit errorStreamUrl("Error parsing video page");
311 // loadingStreamUrl = false;
316 fmtUrlMap = fmtMapRE.cap(1);
317 fmtUrlMap.replace("\\u0026", "&");
318 // parseFmtUrlMap(fmtUrlMap, true);
322 QString definitionName = settings.value("definition", "360p").toString();
323 if (definitionName == QLatin1String("1080p")) {
324 QRegExp dashManifestRe("\"dashmpd\":\\s*\"([^\"]+)\"");
325 if (dashManifestRe.indexIn(html) != -1) {
326 dashManifestUrl = dashManifestRe.cap(1);
327 dashManifestUrl.remove('\\');
328 qDebug() << "dashManifestUrl" << dashManifestUrl;
333 QRegExp jsPlayerRe(JsFunctions::instance()->jsPlayerRE());
334 if (jsPlayerRe.indexIn(html) != -1) {
335 QString jsPlayerUrl = jsPlayerRe.cap(1);
336 jsPlayerUrl.remove('\\');
337 jsPlayerUrl = "http:" + jsPlayerUrl;
338 // qDebug() << "jsPlayerUrl" << jsPlayerUrl;
340 QRegExp jsPlayerIdRe("-(.+)\\.js");
341 jsPlayerIdRe.indexIn(jsPlayerUrl);
342 QString jsPlayerId = jsPlayerRe.cap(1);
344 QObject *reply = The::http()->get(jsPlayerUrl);
345 connect(reply, SIGNAL(data(QByteArray)), SLOT(parseJsPlayer(QByteArray)));
346 connect(reply, SIGNAL(error(QNetworkReply*)), SLOT(errorVideoInfo(QNetworkReply*)));
350 void Video::parseJsPlayer(QByteArray bytes) {
351 QString js = QString::fromUtf8(bytes);
352 // qWarning() << "jsPlayer" << js;
354 // QRegExp funcNameRe("\"signature\"\\w*,\\w*([" + jsNameChars + "]+)");
355 QRegExp funcNameRe(JsFunctions::instance()->signatureFunctionNameRE().arg(jsNameChars));
357 if (funcNameRe.indexIn(js) == -1) {
358 qWarning() << "Cannot capture signature function name" << js;
360 sigFuncName = funcNameRe.cap(1);
361 captureFunction(sigFuncName, js);
362 // qWarning() << sigFunctions;
366 if (!dashManifestUrl.isEmpty()) {
367 QRegExp sigRe("/s/([\\w\\.]+)");
368 if (sigRe.indexIn(dashManifestUrl) != -1) {
369 qDebug() << "Decrypting signature for dash manifest";
370 QString sig = sigRe.cap(1);
371 sig = decryptSignature(sig);
372 dashManifestUrl.replace(sigRe, "/signature/" + sig);
373 qDebug() << dashManifestUrl;
376 // let phonon play the manifest
377 m_streamUrl = dashManifestUrl;
378 this->definitionCode = 37;
379 emit gotStreamUrl(m_streamUrl);
380 loadingStreamUrl = false;
382 // download the manifest
383 QObject *reply = The::http()->get(QUrl::fromEncoded(dashManifestUrl.toUtf8()));
384 connect(reply, SIGNAL(data(QByteArray)), SLOT(parseDashManifest(QByteArray)));
385 connect(reply, SIGNAL(error(QNetworkReply*)), SLOT(errorVideoInfo(QNetworkReply*)));
393 parseFmtUrlMap(fmtUrlMap, true);
396 void Video::parseDashManifest(QByteArray bytes) {
397 QFile file(Temporary::filename() + ".mpd");
398 if (!file.open(QIODevice::WriteOnly))
399 qWarning() << file.errorString() << file.fileName();
400 QDataStream stream(&file);
401 stream.writeRawData(bytes.constData(), bytes.size());
403 m_streamUrl = "file://" + file.fileName();
404 this->definitionCode = 37;
405 emit gotStreamUrl(m_streamUrl);
406 loadingStreamUrl = false;
409 void Video::captureFunction(const QString &name, const QString &js) {
410 QRegExp funcRe("function\\s+" + QRegExp::escape(name) + "\\s*\\([" + jsNameChars + ",\\s]*\\)\\s*\\{[^\\}]+\\}");
411 if (funcRe.indexIn(js) == -1) {
412 qWarning() << "Cannot capture function" << name;
415 QString func = funcRe.cap(0);
416 sigFunctions.insert(name, func);
418 // capture inner functions
419 QRegExp invokedFuncRe("[\\s=;\\(]([" + jsNameChars + "]+)\\s*\\([" + jsNameChars + ",\\s]+\\)");
420 int pos = name.length() + 9;
421 while ((pos = invokedFuncRe.indexIn(func, pos)) != -1) {
422 QString funcName = invokedFuncRe.cap(1);
423 if (!sigFunctions.contains(funcName))
424 captureFunction(funcName, js);
425 pos += invokedFuncRe.matchedLength();
428 // capture referenced objects
429 QRegExp objRe("[\\s=;\\(]([" + jsNameChars + "]+)\\.[" + jsNameChars + "]+");
430 pos = name.length() + 9;
431 while ((pos = objRe.indexIn(func, pos)) != -1) {
432 QString objName = objRe.cap(1);
433 if (!sigObjects.contains(objName))
434 captureObject(objName, js);
435 pos += objRe.matchedLength();
439 void Video::captureObject(const QString &name, const QString &js) {
440 QRegExp re("var\\s+" + QRegExp::escape(name) + "\\s*=\\s*\\{.+\\}\\s*;");
442 if (re.indexIn(js) == -1) {
443 qWarning() << "Cannot capture object" << name;
446 QString obj = re.cap(0);
447 sigObjects.insert(name, obj);
450 QString Video::decryptSignature(const QString &s) {
451 if (sigFuncName.isEmpty()) return QString();
452 QScriptEngine engine;
453 foreach (const QString &f, sigObjects.values()) {
454 QScriptValue value = engine.evaluate(f);
456 qWarning() << "Error in" << f << value.toString();
458 foreach (const QString &f, sigFunctions.values()) {
459 QScriptValue value = engine.evaluate(f);
461 qWarning() << "Error in" << f << value.toString();
463 QString js = sigFuncName + "('" + s + "');";
464 QScriptValue value = engine.evaluate(js);
465 if (value.isUndefined()) {
466 qWarning() << "Undefined result for" << js;
469 if (value.isError()) {
470 qWarning() << "Error in" << js << value.toString();
473 return value.toString();
476 QString Video::formattedDuration() const {
477 return DataUtils::formatDuration(m_duration);
480 void Video::saveDefinitionForUrl(const QString& url, const VideoDefinition& definition) {
481 const QUrl videoUrl = QUrl::fromEncoded(url.toUtf8(), QUrl::StrictMode);
482 m_streamUrl = videoUrl;
483 definitionCode = definition.getCode();
484 emit gotStreamUrl(videoUrl);
485 loadingStreamUrl = false;