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NewPipeExtractor
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[YouTube] Make exception messages smaller

This commit is contained in:
Stypox 2022-05-01 19:30:36 +02:00 committed by TiA4f8R
parent 4da05afe11
commit 00bbe5eb4d
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1 changed files with 94 additions and 175 deletions
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269
extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/YoutubeDashManifestCreator.java
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@ -52,23 +52,6 @@ import javax.xml.transform.stream.StreamResult;
*/
public final class YoutubeDashManifestCreator {
/**
* URL parameter of the first sequence for live, post-live-DVR and OTF streams.
*/
private static final String SQ_0 = "&sq=0";
/**
* URL parameter of the first stream request made by official clients.
*/
private static final String RN_0 = "&rn=0";
/**
* URL parameter specific to web clients. When this param is added, if a redirection occurs,
* the server will not redirect clients to the redirect URL. Instead, it will provide this URL
* as the response body.
*/
private static final String ALR_YES = "&alr=yes";
/**
* The redirect count limit that this class uses, which is the same limit as OkHttp.
*/
@ -92,6 +75,28 @@ public final class YoutubeDashManifestCreator {
private static final ManifestCreatorCache<String, String> PROGRESSIVE_CACHE
= new ManifestCreatorCache<>();
/**
* URL parameter of the first sequence for live, post-live-DVR and OTF streams.
*/
private static final String SQ_0 = "&sq=0";
/**
* URL parameter of the first stream request made by official clients.
*/
private static final String RN_0 = "&rn=0";
/**
* URL parameter specific to web clients. When this param is added, if a redirection occurs,
* the server will not redirect clients to the redirect URL. Instead, it will provide this URL
* as the response body.
*/
private static final String ALR_YES = "&alr=yes";
public static final String SEGMENT_TIMELINE = "SegmentTimeline";
public static final String ADAPTATION_SET = "AdaptationSet";
public static final String REPRESENTATION = "Representation";
/**
* Enum of streaming format types used by YouTube in their streams.
*/
@ -360,8 +365,7 @@ public final class YoutubeDashManifestCreator {
if (targetDurationSec <= 0) {
throw new YoutubeDashManifestCreationException(
"Could not generate the DASH manifest: the targetDurationSec value is less "
+ "than or equal to 0 (" + targetDurationSec + ")");
"targetDurationSec value is <= 0: " + targetDurationSec);
}
try {
@ -374,26 +378,22 @@ public final class YoutubeDashManifestCreator {
final int responseCode = response.responseCode();
if (responseCode != 200) {
throw new YoutubeDashManifestCreationException(
"Could not generate the DASH manifest: could not get the initialization "
+ "segment of the post-live-DVR stream: response code "
+ responseCode);
throw new YoutubeDashManifestCreationException("Could not get the initialization "
+ "segment of the post-live-DVR stream: response code " + responseCode);
}
final Map<String, List<String>> responseHeaders = response.responseHeaders();
streamDuration = responseHeaders.get("X-Head-Time-Millis").get(0);
segmentCount = responseHeaders.get("X-Head-Seqnum").get(0);
} catch (final IndexOutOfBoundsException e) {
throw new YoutubeDashManifestCreationException(
"Could not generate the DASH manifest: could not get the value of the "
+ "X-Head-Time-Millis or the X-Head-Seqnum header of the post-live-DVR"
+ "streaming URL", e);
throw new YoutubeDashManifestCreationException("Could not get the value of the "
+ "X-Head-Time-Millis or the X-Head-Seqnum header of the post-live-DVR"
+ "streaming URL", e);
}
if (isNullOrEmpty(segmentCount)) {
throw new YoutubeDashManifestCreationException(
"Could not generate the DASH manifest: could not get the number of segments of"
+ "the post-live-DVR stream");
throw new YoutubeDashManifestCreationException("Could not get the number of segments "
+ "of the post-live-DVR stream");
}
final Document document = generateDocumentAndMpdElement(new String[] {streamDuration},
@ -481,12 +481,6 @@ public final class YoutubeDashManifestCreator {
.getSecond();
}
if (durationSecondsFallback <= 0) {
throw new YoutubeDashManifestCreationException(
"Could not generate the DASH manifest: the durationSecondsFallback value is"
+ "less than or equal to 0 (" + durationSecondsFallback + ")");
}
final Document document = generateDocumentAndMpdElement(new String[]{},
DeliveryType.PROGRESSIVE, itagItem, durationSecondsFallback);
generatePeriodElement(document);
@ -555,19 +549,16 @@ public final class YoutubeDashManifestCreator {
final byte[] emptyBody = "".getBytes(StandardCharsets.UTF_8);
return downloader.post(baseStreamingUrl, headers, emptyBody);
} catch (final IOException | ExtractionException e) {
throw new YoutubeDashManifestCreationException(
"Could not generate the DASH manifest: error when trying to get the "
+ (isAnIosStreamingUrl ? "ANDROID" : "IOS")
+ " streaming URL response", e);
throw new YoutubeDashManifestCreationException("Could not get the "
+ (isAnIosStreamingUrl ? "ANDROID" : "IOS") + " streaming URL response", e);
}
}
try {
return downloader.get(baseStreamingUrl);
} catch (final IOException | ExtractionException e) {
throw new YoutubeDashManifestCreationException(
"Could not generate the DASH manifest: error when trying to get the streaming "
+ "URL response", e);
throw new YoutubeDashManifestCreationException("Could not get the streaming URL "
+ "response", e);
}
}
@ -640,33 +631,15 @@ public final class YoutubeDashManifestCreator {
final int responseCode = response.responseCode();
if (responseCode != 200) {
if (deliveryType == DeliveryType.LIVE) {
throw new YoutubeDashManifestCreationException(
"Could not generate the DASH manifest: could not get the "
+ "initialization URL of the post-live-DVR stream: "
+ "response code " + responseCode);
} else if (deliveryType == DeliveryType.OTF) {
throw new YoutubeDashManifestCreationException(
"Could not generate the DASH manifest: could not get the "
+ "initialization URL of the OTF stream: response code "
+ responseCode);
} else {
throw new YoutubeDashManifestCreationException(
"Could not generate the DASH manifest: could not fetch the URL of "
+ "the progressive stream: response code " + responseCode);
}
throw new YoutubeDashManifestCreationException("Could not get the "
+ "initialization URL of the " + deliveryType
+ " stream: response code " + responseCode);
}
// A valid response must include a Content-Type header, so we can require that
// the response from video servers has this header.
try {
responseMimeType = Objects.requireNonNull(response.getHeader(
"Content-Type"));
} catch (final NullPointerException e) {
throw new YoutubeDashManifestCreationException(
"Could not generate the DASH manifest: could not get the Content-Type "
+ "header from the streaming URL", e);
}
responseMimeType = Objects.requireNonNull(response.getHeader("Content-Type"),
"Could not get the Content-Type header from the streaming URL");
// The response body is the redirection URL
if (responseMimeType.equals("text/plain")) {
@ -679,19 +652,16 @@ public final class YoutubeDashManifestCreator {
if (redirectsCount >= MAXIMUM_REDIRECT_COUNT) {
throw new YoutubeDashManifestCreationException(
"Could not generate the DASH manifest: too many redirects when trying to "
+ "get the WEB streaming URL response");
"Too many redirects when trying to get the WEB streaming URL response");
}
// This should never be reached, but is required because we don't want to return null
// here
throw new YoutubeDashManifestCreationException(
"Could not generate the DASH manifest: error when trying to get the WEB "
+ "streaming URL response");
"Could not get the WEB streaming URL response: unreachable code reached!");
} catch (final IOException | ExtractionException e) {
throw new YoutubeDashManifestCreationException(
"Could not generate the DASH manifest: error when trying to get the WEB "
+ "streaming URL response", e);
"Could not get the WEB streaming URL response", e);
}
}
@ -724,8 +694,7 @@ public final class YoutubeDashManifestCreator {
}
return streamLengthMs;
} catch (final NumberFormatException e) {
throw new YoutubeDashManifestCreationException(
"Could not generate the DASH manifest: unable to get the length of the stream",
throw new YoutubeDashManifestCreationException("Unable to get the length of the stream",
e);
}
}
@ -813,11 +782,9 @@ public final class YoutubeDashManifestCreator {
if (durationSecondsFallback > 0) {
streamDuration = durationSecondsFallback * 1000;
} else {
throw new YoutubeDashManifestCreationException(
"Could not generate or append the MPD element of the DASH "
+ "manifest to the document: the duration of the stream "
+ "could not be determined and the "
+ "durationSecondsFallback is less than or equal to 0");
throw new YoutubeDashManifestCreationException("Could not add MPD element: "
+ "the duration of the stream could not be determined and the "
+ "durationSecondsFallback is <= 0");
}
}
}
@ -828,9 +795,7 @@ public final class YoutubeDashManifestCreator {
return document;
} catch (final Exception e) {
throw new YoutubeDashManifestCreationException(
"Could not generate or append the MPD element of the DASH manifest to the "
+ "document", e);
throw new YoutubeDashManifestCreationException("Could not add MPD element", e);
}
}
@ -852,9 +817,7 @@ public final class YoutubeDashManifestCreator {
final Element periodElement = document.createElement("Period");
mpdElement.appendChild(periodElement);
} catch (final DOMException e) {
throw new YoutubeDashManifestCreationException(
"Could not generate or append the Period element of the DASH manifest to the "
+ "document", e);
throw new YoutubeDashManifestCreationException("Could not add Period element", e);
}
}
@ -876,7 +839,7 @@ public final class YoutubeDashManifestCreator {
try {
final Element periodElement = (Element) document.getElementsByTagName("Period")
.item(0);
final Element adaptationSetElement = document.createElement("AdaptationSet");
final Element adaptationSetElement = document.createElement(ADAPTATION_SET);
final Attr idAttribute = document.createAttribute("id");
idAttribute.setValue("0");
@ -884,10 +847,8 @@ public final class YoutubeDashManifestCreator {
final MediaFormat mediaFormat = itagItem.getMediaFormat();
if (mediaFormat == null || isNullOrEmpty(mediaFormat.mimeType)) {
throw new YoutubeDashManifestCreationException(
"Could not generate the AdaptationSet element of the DASH manifest to the "
+ "document: the MediaFormat or the mime type of the MediaFormat "
+ "of the ItagItem is null or empty");
throw new YoutubeDashManifestCreationException("Could not add AdaptationSet "
+ "element: the MediaFormat or its mime type are null or empty");
}
final Attr mimeTypeAttribute = document.createAttribute("mimeType");
@ -901,9 +862,8 @@ public final class YoutubeDashManifestCreator {
periodElement.appendChild(adaptationSetElement);
} catch (final DOMException e) {
throw new YoutubeDashManifestCreationException(
"Could not generate or append the AdaptationSet element of the DASH manifest "
+ "to the document", e);
throw new YoutubeDashManifestCreationException("Could not add AdaptationSet element",
e);
}
}
@ -931,7 +891,7 @@ public final class YoutubeDashManifestCreator {
throws YoutubeDashManifestCreationException {
try {
final Element adaptationSetElement = (Element) document.getElementsByTagName(
"AdaptationSet").item(0);
ADAPTATION_SET).item(0);
final Element roleElement = document.createElement("Role");
final Attr schemeIdUriAttribute = document.createAttribute("schemeIdUri");
@ -944,9 +904,7 @@ public final class YoutubeDashManifestCreator {
adaptationSetElement.appendChild(roleElement);
} catch (final DOMException e) {
throw new YoutubeDashManifestCreationException(
"Could not generate or append the Role element of the DASH manifest to the "
+ "document", e);
throw new YoutubeDashManifestCreationException("Could not add Role element", e);
}
}
@ -968,15 +926,13 @@ public final class YoutubeDashManifestCreator {
throws YoutubeDashManifestCreationException {
try {
final Element adaptationSetElement = (Element) document.getElementsByTagName(
"AdaptationSet").item(0);
final Element representationElement = document.createElement("Representation");
ADAPTATION_SET).item(0);
final Element representationElement = document.createElement(REPRESENTATION);
final int id = itagItem.id;
if (id <= 0) {
throw new YoutubeDashManifestCreationException(
"Could not generate the Representation element of the DASH manifest to "
+ "the document: the id of the ItagItem is less than or equal to "
+ "0");
throw new YoutubeDashManifestCreationException("Could not add Representation "
+ "element: the id of the ItagItem is <= 0");
}
final Attr idAttribute = document.createAttribute("id");
idAttribute.setValue(String.valueOf(id));
@ -984,9 +940,8 @@ public final class YoutubeDashManifestCreator {
final String codec = itagItem.getCodec();
if (isNullOrEmpty(codec)) {
throw new YoutubeDashManifestCreationException(
"Could not generate the AdaptationSet element of the DASH manifest to the "
+ "document: the codec value is null or empty");
throw new YoutubeDashManifestCreationException("Could not add AdaptationSet "
+ "element: the codec value is null or empty");
}
final Attr codecsAttribute = document.createAttribute("codecs");
codecsAttribute.setValue(codec);
@ -1002,10 +957,8 @@ public final class YoutubeDashManifestCreator {
final int bitrate = itagItem.getBitrate();
if (bitrate <= 0) {
throw new YoutubeDashManifestCreationException(
"Could not generate the Representation element of the DASH manifest to "
+ "the document: the bitrate of the ItagItem is less than or "
+ "equal to 0");
throw new YoutubeDashManifestCreationException("Could not add Representation "
+ "element: the bitrate of the ItagItem is <= 0");
}
final Attr bandwidthAttribute = document.createAttribute("bandwidth");
bandwidthAttribute.setValue(String.valueOf(bitrate));
@ -1017,10 +970,8 @@ public final class YoutubeDashManifestCreator {
final int height = itagItem.getHeight();
final int width = itagItem.getWidth();
if (height <= 0 && width <= 0) {
throw new YoutubeDashManifestCreationException(
"Could not generate the Representation element of the DASH manifest "
+ "to the document: the width and the height of the ItagItem "
+ "are less than or equal to 0");
throw new YoutubeDashManifestCreationException("Could not add Representation "
+ "element: both width and height of the ItagItem are <= 0");
}
if (width > 0) {
@ -1049,9 +1000,8 @@ public final class YoutubeDashManifestCreator {
adaptationSetElement.appendChild(representationElement);
} catch (final DOMException e) {
throw new YoutubeDashManifestCreationException(
"Could not generate or append the Representation element of the DASH manifest "
+ "to the document", e);
throw new YoutubeDashManifestCreationException("Could not add Representation element",
e);
}
}
@ -1088,7 +1038,7 @@ public final class YoutubeDashManifestCreator {
@Nonnull final ItagItem itagItem) throws YoutubeDashManifestCreationException {
try {
final Element representationElement = (Element) document.getElementsByTagName(
"Representation").item(0);
REPRESENTATION).item(0);
final Element audioChannelConfigurationElement = document.createElement(
"AudioChannelConfiguration");
@ -1101,8 +1051,7 @@ public final class YoutubeDashManifestCreator {
final int audioChannels = itagItem.getAudioChannels();
if (audioChannels <= 0) {
throw new YoutubeDashManifestCreationException(
"Could not generate the DASH manifest: the audioChannels value is less "
+ "than or equal to 0 (" + audioChannels + ")");
"audioChannels is <= 0: " + audioChannels);
}
valueAttribute.setValue(String.valueOf(itagItem.getAudioChannels()));
audioChannelConfigurationElement.setAttributeNode(valueAttribute);
@ -1110,8 +1059,7 @@ public final class YoutubeDashManifestCreator {
representationElement.appendChild(audioChannelConfigurationElement);
} catch (final DOMException e) {
throw new YoutubeDashManifestCreationException(
"Could not generate or append the AudioChannelConfiguration element of the "
+ "DASH manifest to the document", e);
"Could not add AudioChannelConfiguration element", e);
}
}
@ -1138,14 +1086,12 @@ public final class YoutubeDashManifestCreator {
throws YoutubeDashManifestCreationException {
try {
final Element representationElement = (Element) document.getElementsByTagName(
"Representation").item(0);
REPRESENTATION).item(0);
final Element baseURLElement = document.createElement("BaseURL");
baseURLElement.setTextContent(baseUrl);
representationElement.appendChild(baseURLElement);
} catch (final DOMException e) {
throw new YoutubeDashManifestCreationException(
"Could not generate or append the BaseURL element of the DASH manifest to the "
+ "document", e);
throw new YoutubeDashManifestCreationException("Could not add BaseURL element", e);
}
}
@ -1180,33 +1126,22 @@ public final class YoutubeDashManifestCreator {
throws YoutubeDashManifestCreationException {
try {
final Element representationElement = (Element) document.getElementsByTagName(
"Representation").item(0);
REPRESENTATION).item(0);
final Element segmentBaseElement = document.createElement("SegmentBase");
final Attr indexRangeAttribute = document.createAttribute("indexRange");
final int indexStart = itagItem.getIndexStart();
if (indexStart < 0) {
throw new YoutubeDashManifestCreationException(
"Could not generate the DASH manifest: the indexStart value of the "
+ "ItagItem is less than to 0 (" + indexStart + ")");
}
final int indexEnd = itagItem.getIndexEnd();
if (indexEnd < 0) {
throw new YoutubeDashManifestCreationException(
"Could not generate the DASH manifest: the indexEnd value of the ItagItem "
+ "is less than to 0 (" + indexStart + ")");
if (itagItem.getIndexStart() < 0 || itagItem.getIndexEnd() < 0) {
throw new YoutubeDashManifestCreationException("ItagItem's indexStart or indexEnd "
+ "are < 0: " + itagItem.getIndexStart() + "-" + itagItem.getIndexEnd());
}
indexRangeAttribute.setValue(indexStart + "-" + indexEnd);
indexRangeAttribute.setValue(itagItem.getIndexStart() + "-" + itagItem.getIndexEnd());
segmentBaseElement.setAttributeNode(indexRangeAttribute);
representationElement.appendChild(segmentBaseElement);
} catch (final DOMException e) {
throw new YoutubeDashManifestCreationException(
"Could not generate or append the SegmentBase element of the DASH manifest to "
+ "the document", e);
throw new YoutubeDashManifestCreationException("Could not add SegmentBase element", e);
}
}
@ -1244,30 +1179,20 @@ public final class YoutubeDashManifestCreator {
"SegmentBase").item(0);
final Element initializationElement = document.createElement("Initialization");
final Attr rangeAttribute = document.createAttribute("range");
final int initStart = itagItem.getInitStart();
if (initStart < 0) {
throw new YoutubeDashManifestCreationException(
"Could not generate the DASH manifest: the initStart value of the "
+ "ItagItem is less than to 0 (" + initStart + ")");
}
final int initEnd = itagItem.getInitEnd();
if (initEnd < 0) {
throw new YoutubeDashManifestCreationException(
"Could not generate the DASH manifest: the initEnd value of the ItagItem "
+ "is less than to 0 (" + initEnd + ")");
if (itagItem.getInitStart() < 0 || itagItem.getInitEnd() < 0) {
throw new YoutubeDashManifestCreationException("ItagItem's initStart or initEnd "
+ "are < 0: " + itagItem.getInitStart() + "-" + itagItem.getInitEnd());
}
rangeAttribute.setValue(initStart + "-" + initEnd);
rangeAttribute.setValue(itagItem.getInitStart() + "-" + itagItem.getInitEnd());
initializationElement.setAttributeNode(rangeAttribute);
segmentBaseElement.appendChild(initializationElement);
} catch (final DOMException e) {
throw new YoutubeDashManifestCreationException(
"Could not generate or append the Initialization element of the DASH manifest "
+ "to the document", e);
throw new YoutubeDashManifestCreationException("Could not add Initialization element",
e);
}
}
@ -1308,7 +1233,7 @@ public final class YoutubeDashManifestCreator {
throws YoutubeDashManifestCreationException {
try {
final Element representationElement = (Element) document.getElementsByTagName(
"Representation").item(0);
REPRESENTATION).item(0);
final Element segmentTemplateElement = document.createElement("SegmentTemplate");
final Attr startNumberAttribute = document.createAttribute("startNumber");
@ -1336,9 +1261,8 @@ public final class YoutubeDashManifestCreator {
representationElement.appendChild(segmentTemplateElement);
} catch (final DOMException e) {
throw new YoutubeDashManifestCreationException(
"Could not generate or append the SegmentTemplate element of the DASH "
+ "manifest to the document", e);
throw new YoutubeDashManifestCreationException("Could not add SegmentTemplate element",
e);
}
}
@ -1359,13 +1283,12 @@ public final class YoutubeDashManifestCreator {
try {
final Element segmentTemplateElement = (Element) document.getElementsByTagName(
"SegmentTemplate").item(0);
final Element segmentTimelineElement = document.createElement("SegmentTimeline");
final Element segmentTimelineElement = document.createElement(SEGMENT_TIMELINE);
segmentTemplateElement.appendChild(segmentTimelineElement);
} catch (final DOMException e) {
throw new YoutubeDashManifestCreationException(
"Could not generate or append the SegmentTimeline element of the DASH "
+ "manifest to the document", e);
throw new YoutubeDashManifestCreationException("Could not add SegmentTimeline element",
e);
}
}
@ -1405,7 +1328,7 @@ public final class YoutubeDashManifestCreator {
try {
final Element segmentTimelineElement = (Element) document.getElementsByTagName(
"SegmentTimeline").item(0);
SEGMENT_TIMELINE).item(0);
for (final String segmentDuration : segmentDurations) {
final Element sElement = document.createElement("S");
@ -1432,9 +1355,7 @@ public final class YoutubeDashManifestCreator {
} catch (final DOMException | IllegalStateException | IndexOutOfBoundsException
| NumberFormatException e) {
throw new YoutubeDashManifestCreationException(
"Could not generate or append the segment (S) elements of the DASH manifest "
+ "to the document", e);
throw new YoutubeDashManifestCreationException("Could not add segment (S) elements", e);
}
}
@ -1462,7 +1383,7 @@ public final class YoutubeDashManifestCreator {
@Nonnull final String segmentCount) throws YoutubeDashManifestCreationException {
try {
final Element segmentTimelineElement = (Element) document.getElementsByTagName(
"SegmentTimeline").item(0);
SEGMENT_TIMELINE).item(0);
final Element sElement = document.createElement("S");
final Attr dAttribute = document.createAttribute("d");
@ -1475,9 +1396,7 @@ public final class YoutubeDashManifestCreator {
segmentTimelineElement.appendChild(sElement);
} catch (final DOMException e) {
throw new YoutubeDashManifestCreationException(
"Could not generate or append the segment (S) elements of the DASH manifest "
+ "to the document", e);
throw new YoutubeDashManifestCreationException("Could not add segment (S) elements", e);
}
}