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) {
199 QString definitionName = settings.value("definition", "360p").toString();
200 int definitionCode = VideoDefinition::getDefinitionCode(definitionName);
202 // qDebug() << "fmtUrlMap" << fmtUrlMap;
203 QStringList formatUrls = fmtUrlMap.split(',', QString::SkipEmptyParts);
204 QHash<int, QString> urlMap;
205 foreach(QString formatUrl, formatUrls) {
206 // qDebug() << "formatUrl" << formatUrl;
207 QStringList urlParams = formatUrl.split('&', QString::SkipEmptyParts);
208 // qDebug() << "urlParams" << urlParams;
213 foreach(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 == definitionCode) {
267 // qDebug() << "Found format" << definitionCode;
268 QUrl videoUrl = QUrl::fromEncoded(url.toUtf8(), QUrl::StrictMode);
269 m_streamUrl = videoUrl;
270 this->definitionCode = definitionCode;
271 emit gotStreamUrl(videoUrl);
272 loadingStreamUrl = false;
276 urlMap.insert(format, url);
279 QList<int> definitionCodes = VideoDefinition::getDefinitionCodes();
280 int currentIndex = definitionCodes.indexOf(definitionCode);
281 int previousIndex = 0;
282 while (currentIndex >= 0) {
283 previousIndex = currentIndex - 1;
284 if (previousIndex < 0) previousIndex = 0;
285 int definitionCode = definitionCodes.at(previousIndex);
286 if (urlMap.contains(definitionCode)) {
287 // qDebug() << "Found format" << definitionCode;
288 QString url = urlMap.value(definitionCode);
289 QUrl videoUrl = QUrl::fromEncoded(url.toUtf8(), QUrl::StrictMode);
290 m_streamUrl = videoUrl;
291 this->definitionCode = definitionCode;
292 emit gotStreamUrl(videoUrl);
293 loadingStreamUrl = false;
299 emit errorStreamUrl(tr("Cannot get video stream for %1").arg(m_webpage));
302 void Video::errorVideoInfo(QNetworkReply *reply) {
303 loadingStreamUrl = false;
304 emit errorStreamUrl(tr("Network error: %1 for %2").arg(reply->errorString(), reply->url().toString()));
307 void Video::scrapeWebPage(QByteArray data) {
308 QString html = QString::fromUtf8(data);
310 QRegExp ageGateRE(JsFunctions::instance()->ageGateRE());
311 if (ageGateRE.indexIn(html) != -1) {
312 // qDebug() << "Found ageGate";
319 QRegExp fmtMapRE(JsFunctions::instance()->webPageFmtMapRE());
320 if (fmtMapRE.indexIn(html) == -1) {
321 qWarning() << "Error parsing video page";
322 // emit errorStreamUrl("Error parsing video page");
323 // loadingStreamUrl = false;
328 fmtUrlMap = fmtMapRE.cap(1);
329 fmtUrlMap.replace("\\u0026", "&");
330 // parseFmtUrlMap(fmtUrlMap, true);
334 QString definitionName = settings.value("definition", "360p").toString();
335 if (definitionName == QLatin1String("1080p")) {
336 QRegExp dashManifestRe("\"dashmpd\":\\s*\"([^\"]+)\"");
337 if (dashManifestRe.indexIn(html) != -1) {
338 dashManifestUrl = dashManifestRe.cap(1);
339 dashManifestUrl.remove('\\');
340 qDebug() << "dashManifestUrl" << dashManifestUrl;
345 QRegExp jsPlayerRe(JsFunctions::instance()->jsPlayerRE());
346 if (jsPlayerRe.indexIn(html) != -1) {
347 QString jsPlayerUrl = jsPlayerRe.cap(1);
348 jsPlayerUrl.remove('\\');
349 jsPlayerUrl = "http:" + jsPlayerUrl;
350 // qDebug() << "jsPlayerUrl" << jsPlayerUrl;
352 QRegExp jsPlayerIdRe("-(.+)\\.js");
353 jsPlayerIdRe.indexIn(jsPlayerUrl);
354 QString jsPlayerId = jsPlayerRe.cap(1);
356 QObject *reply = The::http()->get(jsPlayerUrl);
357 connect(reply, SIGNAL(data(QByteArray)), SLOT(parseJsPlayer(QByteArray)));
358 connect(reply, SIGNAL(error(QNetworkReply*)), SLOT(errorVideoInfo(QNetworkReply*)));
362 void Video::parseJsPlayer(QByteArray bytes) {
363 QString js = QString::fromUtf8(bytes);
364 // qWarning() << "jsPlayer" << js;
366 // QRegExp funcNameRe("\"signature\"\\w*,\\w*([" + jsNameChars + "]+)");
367 QRegExp funcNameRe(JsFunctions::instance()->signatureFunctionNameRE().arg(jsNameChars));
369 if (funcNameRe.indexIn(js) == -1) {
370 qWarning() << "Cannot capture signature function name" << js;
372 sigFuncName = funcNameRe.cap(1);
373 captureFunction(sigFuncName, js);
374 // qWarning() << sigFunctions;
378 if (!dashManifestUrl.isEmpty()) {
379 QRegExp sigRe("/s/([\\w\\.]+)");
380 if (sigRe.indexIn(dashManifestUrl) != -1) {
381 qDebug() << "Decrypting signature for dash manifest";
382 QString sig = sigRe.cap(1);
383 sig = decryptSignature(sig);
384 dashManifestUrl.replace(sigRe, "/signature/" + sig);
385 qDebug() << dashManifestUrl;
388 // let phonon play the manifest
389 m_streamUrl = dashManifestUrl;
390 this->definitionCode = 37;
391 emit gotStreamUrl(m_streamUrl);
392 loadingStreamUrl = false;
394 // download the manifest
395 QObject *reply = The::http()->get(QUrl::fromEncoded(dashManifestUrl.toUtf8()));
396 connect(reply, SIGNAL(data(QByteArray)), SLOT(parseDashManifest(QByteArray)));
397 connect(reply, SIGNAL(error(QNetworkReply*)), SLOT(errorVideoInfo(QNetworkReply*)));
405 parseFmtUrlMap(fmtUrlMap, true);
408 void Video::parseDashManifest(QByteArray bytes) {
409 QFile file(Temporary::filename() + ".mpd");
410 if (!file.open(QIODevice::WriteOnly))
411 qWarning() << file.errorString() << file.fileName();
412 QDataStream stream(&file);
413 stream.writeRawData(bytes.constData(), bytes.size());
415 m_streamUrl = "file://" + file.fileName();
416 this->definitionCode = 37;
417 emit gotStreamUrl(m_streamUrl);
418 loadingStreamUrl = false;
421 void Video::captureFunction(const QString &name, const QString &js) {
422 QRegExp funcRe("function\\s+" + QRegExp::escape(name) + "\\s*\\([" + jsNameChars + ",\\s]*\\)\\s*\\{[^\\}]+\\}");
423 if (funcRe.indexIn(js) == -1) {
424 qWarning() << "Cannot capture function" << name;
427 QString func = funcRe.cap(0);
428 sigFunctions.insert(name, func);
430 // capture inner functions
431 QRegExp invokedFuncRe("[\\s=;\\(]([" + jsNameChars + "]+)\\s*\\([" + jsNameChars + ",\\s]+\\)");
432 int pos = name.length() + 9;
433 while ((pos = invokedFuncRe.indexIn(func, pos)) != -1) {
434 QString funcName = invokedFuncRe.cap(1);
435 if (!sigFunctions.contains(funcName))
436 captureFunction(funcName, js);
437 pos += invokedFuncRe.matchedLength();
440 // capture referenced objects
441 QRegExp objRe("[\\s=;\\(]([" + jsNameChars + "]+)\\.[" + jsNameChars + "]+");
442 pos = name.length() + 9;
443 while ((pos = objRe.indexIn(func, pos)) != -1) {
444 QString objName = objRe.cap(1);
445 if (!sigObjects.contains(objName))
446 captureObject(objName, js);
447 pos += objRe.matchedLength();
451 void Video::captureObject(const QString &name, const QString &js) {
452 QRegExp re("var\\s+" + QRegExp::escape(name) + "\\s*=\\s*\\{.+\\}\\s*;");
454 if (re.indexIn(js) == -1) {
455 qWarning() << "Cannot capture object" << name;
458 QString obj = re.cap(0);
459 sigObjects.insert(name, obj);
462 QString Video::decryptSignature(const QString &s) {
463 if (sigFuncName.isEmpty()) return QString();
464 QScriptEngine engine;
465 foreach (QString f, sigObjects.values()) {
466 QScriptValue value = engine.evaluate(f);
468 qWarning() << "Error in" << f << value.toString();
470 foreach (QString f, sigFunctions.values()) {
471 QScriptValue value = engine.evaluate(f);
473 qWarning() << "Error in" << f << value.toString();
475 QString js = sigFuncName + "('" + s + "');";
476 QScriptValue value = engine.evaluate(js);
477 if (value.isUndefined()) {
478 qWarning() << "Undefined result for" << js;
481 if (value.isError()) {
482 qWarning() << "Error in" << js << value.toString();
485 return value.toString();
488 QString Video::formattedDuration() const {
489 QString format = m_duration > 3600 ? "h:mm:ss" : "m:ss";
490 return QTime().addSecs(m_duration).toString(format);