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"
30 NetworkAccess* http();
34 static const QString jsNameChars = "a-zA-Z0-9\\$_";
37 Video::Video() : m_duration(0),
39 m_license(LicenseYouTube),
43 loadingStreamUrl(false),
44 loadingThumbnail(false) {
47 Video* Video::clone() {
48 Video* cloneVideo = new Video();
49 cloneVideo->m_title = m_title;
50 cloneVideo->m_description = m_description;
51 cloneVideo->m_channelTitle = m_channelTitle;
52 cloneVideo->m_channelId = m_channelId;
53 cloneVideo->m_webpage = m_webpage;
54 cloneVideo->m_streamUrl = m_streamUrl;
55 cloneVideo->m_thumbnail = m_thumbnail;
56 cloneVideo->m_thumbnailUrl = m_thumbnailUrl;
57 cloneVideo->m_mediumThumbnailUrl = m_mediumThumbnailUrl;
58 cloneVideo->m_duration = m_duration;
59 cloneVideo->m_published = m_published;
60 cloneVideo->m_viewCount = m_viewCount;
61 cloneVideo->videoId = videoId;
62 cloneVideo->videoToken = videoToken;
63 cloneVideo->definitionCode = definitionCode;
67 const QString &Video::webpage() {
68 if (m_webpage.isEmpty() && !videoId.isEmpty())
69 m_webpage.append("https://www.youtube.com/watch?v=").append(videoId);
73 void Video::setWebpage(const QString &value) {
77 if (videoId.isEmpty()) {
78 QRegExp re(JsFunctions::instance()->videoIdRE());
79 if (re.indexIn(m_webpage) == -1) {
80 qWarning() << QString("Cannot get video id for %1").arg(m_webpage);
81 // emit errorStreamUrl(QString("Cannot get video id for %1").arg(m_webpage.toString()));
82 // loadingStreamUrl = false;
89 void Video::loadThumbnail() {
90 if (m_thumbnailUrl.isEmpty() || loadingThumbnail) return;
91 loadingThumbnail = true;
92 QObject *reply = The::http()->get(m_thumbnailUrl);
93 connect(reply, SIGNAL(data(QByteArray)), SLOT(setThumbnail(QByteArray)));
96 void Video::setThumbnail(QByteArray bytes) {
97 loadingThumbnail = false;
98 m_thumbnail = QPixmap();
99 m_thumbnail.loadFromData(bytes);
100 if (m_thumbnail.width() > 160)
101 m_thumbnail = m_thumbnail.scaledToWidth(160, Qt::SmoothTransformation);
105 void Video::loadMediumThumbnail() {
106 if (m_mediumThumbnailUrl.isEmpty()) return;
107 QObject *reply = The::http()->get(m_mediumThumbnailUrl);
108 connect(reply, SIGNAL(data(QByteArray)), SIGNAL(gotMediumThumbnail(QByteArray)));
111 void Video::loadStreamUrl() {
112 if (loadingStreamUrl) {
113 qDebug() << "Already loading stream URL for" << this->title();
116 loadingStreamUrl = true;
123 void Video::getVideoInfo() {
124 static const QStringList elTypes = QStringList() << "&el=embedded" << "&el=detailpage" << "&el=vevo" << "";
127 if (elIndex == elTypes.size()) {
128 // qDebug() << "Trying special embedded el param";
129 url = QUrl("https://www.youtube.com/get_video_info");
131 QUrlQueryHelper urlHelper(url);
132 urlHelper.addQueryItem("video_id", videoId);
133 urlHelper.addQueryItem("el", "embedded");
134 urlHelper.addQueryItem("gl", "US");
135 urlHelper.addQueryItem("hl", "en");
136 urlHelper.addQueryItem("eurl", "https://youtube.googleapis.com/v/" + videoId);
137 urlHelper.addQueryItem("asv", "3");
138 urlHelper.addQueryItem("sts", "1588");
139 } else if (elIndex > elTypes.size() - 1) {
140 qWarning() << "Cannot get video info";
141 loadingStreamUrl = false;
142 emit errorStreamUrl("Cannot get video info");
145 // qDebug() << "Trying el param:" << elTypes.at(elIndex) << elIndex;
147 "https://www.youtube.com/get_video_info?video_id=%1%2&ps=default&eurl=&gl=US&hl=en"
148 ).arg(videoId, elTypes.at(elIndex)));
151 QObject *reply = The::http()->get(url);
152 connect(reply, SIGNAL(data(QByteArray)), SLOT(gotVideoInfo(QByteArray)));
153 connect(reply, SIGNAL(error(QNetworkReply*)), SLOT(errorVideoInfo(QNetworkReply*)));
155 // see you in gotVideoInfo...
158 void Video::gotVideoInfo(QByteArray data) {
159 QString videoInfo = QString::fromUtf8(data);
160 // qDebug() << "videoInfo" << videoInfo;
163 QRegExp videoTokeRE(JsFunctions::instance()->videoTokenRE());
164 if (videoTokeRE.indexIn(videoInfo) == -1) {
165 qDebug() << "Cannot get token. Trying next el param" << videoInfo << videoTokeRE.pattern();
166 // Don't panic! We're gonna try another magic "el" param
172 QString videoToken = videoTokeRE.cap(1);
173 // qDebug() << "got token" << videoToken;
174 while (videoToken.contains('%'))
175 videoToken = QByteArray::fromPercentEncoding(videoToken.toLatin1());
176 // qDebug() << "videoToken" << videoToken;
177 this->videoToken = videoToken;
180 QRegExp fmtMapRE(JsFunctions::instance()->videoInfoFmtMapRE());
181 if (fmtMapRE.indexIn(videoInfo) == -1) {
182 // qDebug() << "Cannot get urlMap. Trying next el param";
183 // Don't panic! We're gonna try another magic "el" param
189 // qDebug() << "Got token and urlMap" << elIndex;
191 QString fmtUrlMap = fmtMapRE.cap(1);
192 // qDebug() << "got fmtUrlMap" << fmtUrlMap;
193 fmtUrlMap = QByteArray::fromPercentEncoding(fmtUrlMap.toUtf8());
194 parseFmtUrlMap(fmtUrlMap);
197 void Video::parseFmtUrlMap(const QString &fmtUrlMap, bool fromWebPage) {
198 const QString definitionName = QSettings().value("definition", "360p").toString();
199 const VideoDefinition& definition = VideoDefinition::getDefinitionFor(definitionName);
201 // qDebug() << "fmtUrlMap" << fmtUrlMap;
202 const QStringList formatUrls = fmtUrlMap.split(',', QString::SkipEmptyParts);
203 QHash<int, QString> urlMap;
204 foreach(const QString &formatUrl, formatUrls) {
205 // qDebug() << "formatUrl" << formatUrl;
206 const QStringList urlParams = formatUrl.split('&', QString::SkipEmptyParts);
207 // qDebug() << "urlParams" << urlParams;
212 foreach(const QString &urlParam, urlParams) {
213 // qWarning() << urlParam;
214 if (urlParam.startsWith("itag=")) {
215 int separator = urlParam.indexOf("=");
216 format = urlParam.mid(separator + 1).toInt();
217 } else if (urlParam.startsWith("url=")) {
218 int separator = urlParam.indexOf("=");
219 url = urlParam.mid(separator + 1);
220 url = QByteArray::fromPercentEncoding(url.toUtf8());
221 } else if (urlParam.startsWith("sig=")) {
222 int separator = urlParam.indexOf("=");
223 sig = urlParam.mid(separator + 1);
224 sig = QByteArray::fromPercentEncoding(sig.toUtf8());
225 } else if (urlParam.startsWith("s=")) {
226 if (fromWebPage || ageGate) {
227 int separator = urlParam.indexOf("=");
228 sig = urlParam.mid(separator + 1);
229 sig = QByteArray::fromPercentEncoding(sig.toUtf8());
231 sig = JsFunctions::instance()->decryptAgeSignature(sig);
233 sig = decryptSignature(sig);
235 sig = JsFunctions::instance()->decryptSignature(sig);
239 QUrl url("http://www.youtube.com/watch");
241 QUrlQueryHelper urlHelper(url);
242 urlHelper.addQueryItem("v", videoId);
243 urlHelper.addQueryItem("gl", "US");
244 urlHelper.addQueryItem("hl", "en");
245 urlHelper.addQueryItem("has_verified", "1");
247 // qDebug() << "Loading webpage" << url;
248 QObject *reply = The::http()->get(url);
249 connect(reply, SIGNAL(data(QByteArray)), SLOT(scrapeWebPage(QByteArray)));
250 connect(reply, SIGNAL(error(QNetworkReply*)), SLOT(errorVideoInfo(QNetworkReply*)));
251 // see you in scrapWebPage(QByteArray)
256 if (format == -1 || url.isNull()) continue;
258 url += "&signature=" + sig;
260 if (!url.contains("ratebypass"))
261 url += "&ratebypass=yes";
263 // qWarning() << url;
265 if (format == definition.getCode()) {
266 // qDebug() << "Found format" << definitionCode;
267 saveDefinitionForUrl(url, definition);
271 urlMap.insert(format, url);
274 const QList<VideoDefinition>& definitions = VideoDefinition::getDefinitions();
275 int previousIndex = std::max(definitions.indexOf(definition) - 1, 0);
276 for (; previousIndex >= 0; previousIndex--) {
277 const VideoDefinition& previousDefinition = definitions.at(previousIndex);
278 if (urlMap.contains(previousDefinition.getCode())) {
279 // qDebug() << "Found format" << definitionCode;
280 saveDefinitionForUrl(urlMap.value(previousDefinition.getCode()),
286 emit errorStreamUrl(tr("Cannot get video stream for %1").arg(m_webpage));
289 void Video::errorVideoInfo(QNetworkReply *reply) {
290 loadingStreamUrl = false;
291 emit errorStreamUrl(tr("Network error: %1 for %2").arg(reply->errorString(), reply->url().toString()));
294 void Video::scrapeWebPage(QByteArray data) {
295 QString html = QString::fromUtf8(data);
297 QRegExp ageGateRE(JsFunctions::instance()->ageGateRE());
298 if (ageGateRE.indexIn(html) != -1) {
299 // qDebug() << "Found ageGate";
306 QRegExp fmtMapRE(JsFunctions::instance()->webPageFmtMapRE());
307 if (fmtMapRE.indexIn(html) == -1) {
308 qWarning() << "Error parsing video page";
309 // emit errorStreamUrl("Error parsing video page");
310 // loadingStreamUrl = false;
315 fmtUrlMap = fmtMapRE.cap(1);
316 fmtUrlMap.replace("\\u0026", "&");
317 // parseFmtUrlMap(fmtUrlMap, true);
321 QString definitionName = settings.value("definition", "360p").toString();
322 if (definitionName == QLatin1String("1080p")) {
323 QRegExp dashManifestRe("\"dashmpd\":\\s*\"([^\"]+)\"");
324 if (dashManifestRe.indexIn(html) != -1) {
325 dashManifestUrl = dashManifestRe.cap(1);
326 dashManifestUrl.remove('\\');
327 qDebug() << "dashManifestUrl" << dashManifestUrl;
332 QRegExp jsPlayerRe(JsFunctions::instance()->jsPlayerRE());
333 if (jsPlayerRe.indexIn(html) != -1) {
334 QString jsPlayerUrl = jsPlayerRe.cap(1);
335 jsPlayerUrl.remove('\\');
336 jsPlayerUrl = "http:" + jsPlayerUrl;
337 // qDebug() << "jsPlayerUrl" << jsPlayerUrl;
339 QRegExp jsPlayerIdRe("-(.+)\\.js");
340 jsPlayerIdRe.indexIn(jsPlayerUrl);
341 QString jsPlayerId = jsPlayerRe.cap(1);
343 QObject *reply = The::http()->get(jsPlayerUrl);
344 connect(reply, SIGNAL(data(QByteArray)), SLOT(parseJsPlayer(QByteArray)));
345 connect(reply, SIGNAL(error(QNetworkReply*)), SLOT(errorVideoInfo(QNetworkReply*)));
349 void Video::parseJsPlayer(QByteArray bytes) {
350 QString js = QString::fromUtf8(bytes);
351 // qWarning() << "jsPlayer" << js;
353 // QRegExp funcNameRe("\"signature\"\\w*,\\w*([" + jsNameChars + "]+)");
354 QRegExp funcNameRe(JsFunctions::instance()->signatureFunctionNameRE().arg(jsNameChars));
356 if (funcNameRe.indexIn(js) == -1) {
357 qWarning() << "Cannot capture signature function name" << js;
359 sigFuncName = funcNameRe.cap(1);
360 captureFunction(sigFuncName, js);
361 // qWarning() << sigFunctions;
365 if (!dashManifestUrl.isEmpty()) {
366 QRegExp sigRe("/s/([\\w\\.]+)");
367 if (sigRe.indexIn(dashManifestUrl) != -1) {
368 qDebug() << "Decrypting signature for dash manifest";
369 QString sig = sigRe.cap(1);
370 sig = decryptSignature(sig);
371 dashManifestUrl.replace(sigRe, "/signature/" + sig);
372 qDebug() << dashManifestUrl;
375 // let phonon play the manifest
376 m_streamUrl = dashManifestUrl;
377 this->definitionCode = 37;
378 emit gotStreamUrl(m_streamUrl);
379 loadingStreamUrl = false;
381 // download the manifest
382 QObject *reply = The::http()->get(QUrl::fromEncoded(dashManifestUrl.toUtf8()));
383 connect(reply, SIGNAL(data(QByteArray)), SLOT(parseDashManifest(QByteArray)));
384 connect(reply, SIGNAL(error(QNetworkReply*)), SLOT(errorVideoInfo(QNetworkReply*)));
392 parseFmtUrlMap(fmtUrlMap, true);
395 void Video::parseDashManifest(QByteArray bytes) {
396 QFile file(Temporary::filename() + ".mpd");
397 if (!file.open(QIODevice::WriteOnly))
398 qWarning() << file.errorString() << file.fileName();
399 QDataStream stream(&file);
400 stream.writeRawData(bytes.constData(), bytes.size());
402 m_streamUrl = "file://" + file.fileName();
403 this->definitionCode = 37;
404 emit gotStreamUrl(m_streamUrl);
405 loadingStreamUrl = false;
408 void Video::captureFunction(const QString &name, const QString &js) {
409 QRegExp funcRe("function\\s+" + QRegExp::escape(name) + "\\s*\\([" + jsNameChars + ",\\s]*\\)\\s*\\{[^\\}]+\\}");
410 if (funcRe.indexIn(js) == -1) {
411 qWarning() << "Cannot capture function" << name;
414 QString func = funcRe.cap(0);
415 sigFunctions.insert(name, func);
417 // capture inner functions
418 QRegExp invokedFuncRe("[\\s=;\\(]([" + jsNameChars + "]+)\\s*\\([" + jsNameChars + ",\\s]+\\)");
419 int pos = name.length() + 9;
420 while ((pos = invokedFuncRe.indexIn(func, pos)) != -1) {
421 QString funcName = invokedFuncRe.cap(1);
422 if (!sigFunctions.contains(funcName))
423 captureFunction(funcName, js);
424 pos += invokedFuncRe.matchedLength();
427 // capture referenced objects
428 QRegExp objRe("[\\s=;\\(]([" + jsNameChars + "]+)\\.[" + jsNameChars + "]+");
429 pos = name.length() + 9;
430 while ((pos = objRe.indexIn(func, pos)) != -1) {
431 QString objName = objRe.cap(1);
432 if (!sigObjects.contains(objName))
433 captureObject(objName, js);
434 pos += objRe.matchedLength();
438 void Video::captureObject(const QString &name, const QString &js) {
439 QRegExp re("var\\s+" + QRegExp::escape(name) + "\\s*=\\s*\\{.+\\}\\s*;");
441 if (re.indexIn(js) == -1) {
442 qWarning() << "Cannot capture object" << name;
445 QString obj = re.cap(0);
446 sigObjects.insert(name, obj);
449 QString Video::decryptSignature(const QString &s) {
450 if (sigFuncName.isEmpty()) return QString();
451 QScriptEngine engine;
452 foreach (const QString &f, sigObjects.values()) {
453 QScriptValue value = engine.evaluate(f);
455 qWarning() << "Error in" << f << value.toString();
457 foreach (const QString &f, sigFunctions.values()) {
458 QScriptValue value = engine.evaluate(f);
460 qWarning() << "Error in" << f << value.toString();
462 QString js = sigFuncName + "('" + s + "');";
463 QScriptValue value = engine.evaluate(js);
464 if (value.isUndefined()) {
465 qWarning() << "Undefined result for" << js;
468 if (value.isError()) {
469 qWarning() << "Error in" << js << value.toString();
472 return value.toString();
475 QString Video::formattedDuration() const {
476 QString format = m_duration > 3600 ? "h:mm:ss" : "m:ss";
477 return QTime().addSecs(m_duration).toString(format);
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;