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(const QByteArray &bytes) {
98 loadingThumbnail = false;
99 qreal ratio = qApp->devicePixelRatio();
100 m_thumbnail = QPixmap();
101 m_thumbnail.loadFromData(bytes);
102 m_thumbnail.setDevicePixelRatio(ratio);
103 const int thumbWidth = 160 * ratio;
104 if (m_thumbnail.width() > thumbWidth)
105 m_thumbnail = m_thumbnail.scaledToWidth(thumbWidth, Qt::SmoothTransformation);
106 qDebug() << __PRETTY_FUNCTION__ << m_thumbnail.size();
110 void Video::loadStreamUrl() {
111 if (loadingStreamUrl) {
112 qDebug() << "Already loading stream URL for" << this->title();
115 loadingStreamUrl = true;
122 void Video::getVideoInfo() {
123 static const QStringList elTypes = QStringList() << "&el=embedded" << "&el=detailpage" << "&el=vevo" << "";
126 if (elIndex == elTypes.size()) {
127 // qDebug() << "Trying special embedded el param";
128 url = QUrl("https://www.youtube.com/get_video_info");
130 QUrlQueryHelper urlHelper(url);
131 urlHelper.addQueryItem("video_id", videoId);
132 urlHelper.addQueryItem("el", "embedded");
133 urlHelper.addQueryItem("gl", "US");
134 urlHelper.addQueryItem("hl", "en");
135 urlHelper.addQueryItem("eurl", "https://youtube.googleapis.com/v/" + videoId);
136 urlHelper.addQueryItem("asv", "3");
137 urlHelper.addQueryItem("sts", "1588");
138 } else if (elIndex > elTypes.size() - 1) {
139 qWarning() << "Cannot get video info";
140 loadingStreamUrl = false;
141 emit errorStreamUrl("Cannot get video info");
144 // qDebug() << "Trying el param:" << elTypes.at(elIndex) << elIndex;
146 "https://www.youtube.com/get_video_info?video_id=%1%2&ps=default&eurl=&gl=US&hl=en"
147 ).arg(videoId, elTypes.at(elIndex)));
150 QObject *reply = The::http()->get(url);
151 connect(reply, SIGNAL(data(QByteArray)), SLOT(gotVideoInfo(QByteArray)));
152 connect(reply, SIGNAL(error(QNetworkReply*)), SLOT(errorVideoInfo(QNetworkReply*)));
154 // see you in gotVideoInfo...
157 void Video::gotVideoInfo(const QByteArray &bytes) {
158 QString videoInfo = QString::fromUtf8(bytes);
159 // qDebug() << "videoInfo" << videoInfo;
162 QRegExp videoTokeRE(JsFunctions::instance()->videoTokenRE());
163 if (videoTokeRE.indexIn(videoInfo) == -1) {
164 qDebug() << "Cannot get token. Trying next el param" << videoInfo << videoTokeRE.pattern();
165 // Don't panic! We're gonna try another magic "el" param
171 QString videoToken = videoTokeRE.cap(1);
172 // qDebug() << "got token" << videoToken;
173 while (videoToken.contains('%'))
174 videoToken = QByteArray::fromPercentEncoding(videoToken.toLatin1());
175 // qDebug() << "videoToken" << videoToken;
176 this->videoToken = videoToken;
179 QRegExp fmtMapRE(JsFunctions::instance()->videoInfoFmtMapRE());
180 if (fmtMapRE.indexIn(videoInfo) == -1) {
181 // qDebug() << "Cannot get urlMap. Trying next el param";
182 // Don't panic! We're gonna try another magic "el" param
188 // qDebug() << "Got token and urlMap" << elIndex;
190 QString fmtUrlMap = fmtMapRE.cap(1);
191 // qDebug() << "got fmtUrlMap" << fmtUrlMap;
192 fmtUrlMap = QByteArray::fromPercentEncoding(fmtUrlMap.toUtf8());
193 parseFmtUrlMap(fmtUrlMap);
196 void Video::parseFmtUrlMap(const QString &fmtUrlMap, bool fromWebPage) {
197 const QString definitionName = QSettings().value("definition", "360p").toString();
198 const VideoDefinition& definition = VideoDefinition::getDefinitionFor(definitionName);
200 // qDebug() << "fmtUrlMap" << fmtUrlMap;
201 const QStringList formatUrls = fmtUrlMap.split(',', QString::SkipEmptyParts);
202 QHash<int, QString> urlMap;
203 foreach(const QString &formatUrl, formatUrls) {
204 // qDebug() << "formatUrl" << formatUrl;
205 const QStringList urlParams = formatUrl.split('&', QString::SkipEmptyParts);
206 // qDebug() << "urlParams" << urlParams;
211 foreach(const QString &urlParam, urlParams) {
212 // qWarning() << urlParam;
213 if (urlParam.startsWith("itag=")) {
214 int separator = urlParam.indexOf("=");
215 format = urlParam.mid(separator + 1).toInt();
216 } else if (urlParam.startsWith("url=")) {
217 int separator = urlParam.indexOf("=");
218 url = urlParam.mid(separator + 1);
219 url = QByteArray::fromPercentEncoding(url.toUtf8());
220 } else if (urlParam.startsWith("sig=")) {
221 int separator = urlParam.indexOf("=");
222 sig = urlParam.mid(separator + 1);
223 sig = QByteArray::fromPercentEncoding(sig.toUtf8());
224 } else if (urlParam.startsWith("s=")) {
225 if (fromWebPage || ageGate) {
226 int separator = urlParam.indexOf("=");
227 sig = urlParam.mid(separator + 1);
228 sig = QByteArray::fromPercentEncoding(sig.toUtf8());
230 sig = JsFunctions::instance()->decryptAgeSignature(sig);
232 sig = decryptSignature(sig);
234 sig = JsFunctions::instance()->decryptSignature(sig);
238 QUrl url("http://www.youtube.com/watch");
240 QUrlQueryHelper urlHelper(url);
241 urlHelper.addQueryItem("v", videoId);
242 urlHelper.addQueryItem("gl", "US");
243 urlHelper.addQueryItem("hl", "en");
244 urlHelper.addQueryItem("has_verified", "1");
246 // qDebug() << "Loading webpage" << url;
247 QObject *reply = The::http()->get(url);
248 connect(reply, SIGNAL(data(QByteArray)), SLOT(scrapeWebPage(QByteArray)));
249 connect(reply, SIGNAL(error(QNetworkReply*)), SLOT(errorVideoInfo(QNetworkReply*)));
250 // see you in scrapWebPage(QByteArray)
255 if (format == -1 || url.isNull()) continue;
257 url += "&signature=" + sig;
259 if (!url.contains("ratebypass"))
260 url += "&ratebypass=yes";
262 // qWarning() << url;
264 if (format == definition.getCode()) {
265 // qDebug() << "Found format" << definitionCode;
266 saveDefinitionForUrl(url, definition);
270 urlMap.insert(format, url);
273 const QList<VideoDefinition>& definitions = VideoDefinition::getDefinitions();
274 int previousIndex = std::max(definitions.indexOf(definition) - 1, 0);
275 for (; previousIndex >= 0; previousIndex--) {
276 const VideoDefinition& previousDefinition = definitions.at(previousIndex);
277 if (urlMap.contains(previousDefinition.getCode())) {
278 // qDebug() << "Found format" << definitionCode;
279 saveDefinitionForUrl(urlMap.value(previousDefinition.getCode()),
285 emit errorStreamUrl(tr("Cannot get video stream for %1").arg(m_webpage));
288 void Video::errorVideoInfo(QNetworkReply *reply) {
289 loadingStreamUrl = false;
290 emit errorStreamUrl(tr("Network error: %1 for %2").arg(reply->errorString(), reply->url().toString()));
293 void Video::scrapeWebPage(const QByteArray &bytes) {
294 QString html = QString::fromUtf8(bytes);
296 QRegExp ageGateRE(JsFunctions::instance()->ageGateRE());
297 if (ageGateRE.indexIn(html) != -1) {
298 // qDebug() << "Found ageGate";
305 QRegExp fmtMapRE(JsFunctions::instance()->webPageFmtMapRE());
306 if (fmtMapRE.indexIn(html) == -1) {
307 qWarning() << "Error parsing video page";
308 // emit errorStreamUrl("Error parsing video page");
309 // loadingStreamUrl = false;
314 fmtUrlMap = fmtMapRE.cap(1);
315 fmtUrlMap.replace("\\u0026", "&");
316 // parseFmtUrlMap(fmtUrlMap, true);
320 QString definitionName = settings.value("definition", "360p").toString();
321 if (definitionName == QLatin1String("1080p")) {
322 QRegExp dashManifestRe("\"dashmpd\":\\s*\"([^\"]+)\"");
323 if (dashManifestRe.indexIn(html) != -1) {
324 dashManifestUrl = dashManifestRe.cap(1);
325 dashManifestUrl.remove('\\');
326 qDebug() << "dashManifestUrl" << dashManifestUrl;
331 QRegExp jsPlayerRe(JsFunctions::instance()->jsPlayerRE());
332 if (jsPlayerRe.indexIn(html) != -1) {
333 QString jsPlayerUrl = jsPlayerRe.cap(1);
334 jsPlayerUrl.remove('\\');
335 jsPlayerUrl = "http:" + jsPlayerUrl;
336 // qDebug() << "jsPlayerUrl" << jsPlayerUrl;
338 QRegExp jsPlayerIdRe("-(.+)\\.js");
339 jsPlayerIdRe.indexIn(jsPlayerUrl);
340 QString jsPlayerId = jsPlayerRe.cap(1);
342 QObject *reply = The::http()->get(jsPlayerUrl);
343 connect(reply, SIGNAL(data(QByteArray)), SLOT(parseJsPlayer(QByteArray)));
344 connect(reply, SIGNAL(error(QNetworkReply*)), SLOT(errorVideoInfo(QNetworkReply*)));
348 void Video::parseJsPlayer(const QByteArray &bytes) {
349 QString js = QString::fromUtf8(bytes);
350 // qWarning() << "jsPlayer" << js;
352 // QRegExp funcNameRe("\"signature\"\\w*,\\w*([" + jsNameChars + "]+)");
353 QRegExp funcNameRe(JsFunctions::instance()->signatureFunctionNameRE().arg(jsNameChars));
355 if (funcNameRe.indexIn(js) == -1) {
356 qWarning() << "Cannot capture signature function name" << js;
358 sigFuncName = funcNameRe.cap(1);
359 captureFunction(sigFuncName, js);
360 // qWarning() << sigFunctions;
364 if (!dashManifestUrl.isEmpty()) {
365 QRegExp sigRe("/s/([\\w\\.]+)");
366 if (sigRe.indexIn(dashManifestUrl) != -1) {
367 qDebug() << "Decrypting signature for dash manifest";
368 QString sig = sigRe.cap(1);
369 sig = decryptSignature(sig);
370 dashManifestUrl.replace(sigRe, "/signature/" + sig);
371 qDebug() << dashManifestUrl;
374 // let phonon play the manifest
375 m_streamUrl = dashManifestUrl;
376 this->definitionCode = 37;
377 emit gotStreamUrl(m_streamUrl);
378 loadingStreamUrl = false;
380 // download the manifest
381 QObject *reply = The::http()->get(QUrl::fromEncoded(dashManifestUrl.toUtf8()));
382 connect(reply, SIGNAL(data(QByteArray)), SLOT(parseDashManifest(QByteArray)));
383 connect(reply, SIGNAL(error(QNetworkReply*)), SLOT(errorVideoInfo(QNetworkReply*)));
391 parseFmtUrlMap(fmtUrlMap, true);
394 void Video::parseDashManifest(const QByteArray &bytes) {
395 QFile file(Temporary::filename() + ".mpd");
396 if (!file.open(QIODevice::WriteOnly))
397 qWarning() << file.errorString() << file.fileName();
398 QDataStream stream(&file);
399 stream.writeRawData(bytes.constData(), bytes.size());
401 m_streamUrl = "file://" + file.fileName();
402 this->definitionCode = 37;
403 emit gotStreamUrl(m_streamUrl);
404 loadingStreamUrl = false;
407 void Video::captureFunction(const QString &name, const QString &js) {
408 QRegExp funcRe("function\\s+" + QRegExp::escape(name) + "\\s*\\([" + jsNameChars + ",\\s]*\\)\\s*\\{[^\\}]+\\}");
409 if (funcRe.indexIn(js) == -1) {
410 qWarning() << "Cannot capture function" << name;
413 QString func = funcRe.cap(0);
414 sigFunctions.insert(name, func);
416 // capture inner functions
417 QRegExp invokedFuncRe("[\\s=;\\(]([" + jsNameChars + "]+)\\s*\\([" + jsNameChars + ",\\s]+\\)");
418 int pos = name.length() + 9;
419 while ((pos = invokedFuncRe.indexIn(func, pos)) != -1) {
420 QString funcName = invokedFuncRe.cap(1);
421 if (!sigFunctions.contains(funcName))
422 captureFunction(funcName, js);
423 pos += invokedFuncRe.matchedLength();
426 // capture referenced objects
427 QRegExp objRe("[\\s=;\\(]([" + jsNameChars + "]+)\\.[" + jsNameChars + "]+");
428 pos = name.length() + 9;
429 while ((pos = objRe.indexIn(func, pos)) != -1) {
430 QString objName = objRe.cap(1);
431 if (!sigObjects.contains(objName))
432 captureObject(objName, js);
433 pos += objRe.matchedLength();
437 void Video::captureObject(const QString &name, const QString &js) {
438 QRegExp re("var\\s+" + QRegExp::escape(name) + "\\s*=\\s*\\{.+\\}\\s*;");
440 if (re.indexIn(js) == -1) {
441 qWarning() << "Cannot capture object" << name;
444 QString obj = re.cap(0);
445 sigObjects.insert(name, obj);
448 QString Video::decryptSignature(const QString &s) {
449 if (sigFuncName.isEmpty()) return QString();
450 QScriptEngine engine;
451 foreach (const QString &f, sigObjects.values()) {
452 QScriptValue value = engine.evaluate(f);
454 qWarning() << "Error in" << f << value.toString();
456 foreach (const QString &f, sigFunctions.values()) {
457 QScriptValue value = engine.evaluate(f);
459 qWarning() << "Error in" << f << value.toString();
461 QString js = sigFuncName + "('" + s + "');";
462 QScriptValue value = engine.evaluate(js);
463 if (value.isUndefined()) {
464 qWarning() << "Undefined result for" << js;
467 if (value.isError()) {
468 qWarning() << "Error in" << js << value.toString();
471 return value.toString();
474 QString Video::formattedDuration() const {
475 return DataUtils::formatDuration(m_duration);
478 void Video::saveDefinitionForUrl(const QString& url, const VideoDefinition& definition) {
479 const QUrl videoUrl = QUrl::fromEncoded(url.toUtf8(), QUrl::StrictMode);
480 m_streamUrl = videoUrl;
481 definitionCode = definition.getCode();
482 emit gotStreamUrl(videoUrl);
483 loadingStreamUrl = false;