Skip to content

Commit 191d27e

Browse files
AudricVAudricV
committed
[YouTube] Improve YoutubeThrottlingDecrypterTest
Update streaming URLs and test that the decryption of the n parameter of multiple streaming URLs containing it works and that the cache works properly. Unneeded public modifiers in this test class have been also removed.
1 parent cb64a48 commit 191d27e

1 file changed

Lines changed: 35 additions & 12 deletions

File tree

‎extractor/src/test/java/org/schabi/newpipe/extractor/services/youtube/YoutubeThrottlingDecrypterTest.java‎

Lines changed: 35 additions & 12 deletions
Original file line numberDiff line numberDiff line change
@@ -8,49 +8,72 @@
88
import org.schabi.newpipe.extractor.exceptions.ParsingException;
99

1010
import java.io.IOException;
11+
import java.util.Arrays;
12+
import java.util.Collections;
13+
import java.util.List;
1114

1215
import static org.junit.jupiter.api.Assertions.assertEquals;
1316
import static org.junit.jupiter.api.Assertions.assertNotEquals;
1417
import static org.junit.jupiter.api.Assertions.fail;
1518

16-
public class YoutubeThrottlingDecrypterTest {
19+
class YoutubeThrottlingDecrypterTest {
1720

1821
@BeforeEach
1922
public void setup() throws IOException {
2023
NewPipe.init(DownloaderTestImpl.getInstance());
2124
}
2225

2326
@Test
24-
public void testExtractFunction__success() throws ParsingException {
27+
void testExtractFunction__success() throws ParsingException {
2528
final String[] videoIds = {"jE1USQrs1rw", "CqxjzfudGAc", "goH-9MfQI7w", "KYIdr_7H5Yw", "J1WeqmGbYeI"};
2629

27-
final String encryptedUrl = "https://r6---sn-4g5ednek.googlevideo.com/videoplayback?expire=1626562120&ei=6AnzYO_YBpql1gLGkb_IBQ&ip=127.0.0.1&id=o-ANhBEf36Z5h-8U9DDddtPDqtS0ZNwf0XJAAigudKI2uI&itag=278&aitags=133%2C134%2C135%2C136%2C137%2C160%2C242%2C243%2C244%2C247%2C248%2C278&source=youtube&requiressl=yes&vprv=1&mime=video%2Fwebm&ns=TvecOReN0vPuXb3j_zq157IG&gir=yes&clen=2915100&dur=270.203&lmt=1608157174907785&keepalive=yes&fexp=24001373,24007246&c=WEB&txp=5535432&n=N9BWSTFT7vvBJrvQ&sparams=expire%2Cei%2Cip%2Cid%2Caitags%2Csource%2Crequiressl%2Cvprv%2Cmime%2Cns%2Cgir%2Cclen%2Cdur%2Clmt&alr=yes&sig=AOq0QJ8wRQIgW6XnUDKPDSxiT0_KE_tDDMpcaCJl2Un5p0Fu9qZNQGkCIQDWxsDHi_s2BEmRqIbd1C5g_gzfihB7RZLsScKWNMwzzA%3D%3D&cpn=9r2yt3BqcYmeb2Yu&cver=2.20210716.00.00&redirect_counter=1&cm2rm=sn-4g5ezy7s&cms_redirect=yes&mh=Y5&mm=34&mn=sn-4g5ednek&ms=ltu&mt=1626540524&mv=m&mvi=6&pl=43&lsparams=mh,mm,mn,ms,mv,mvi,pl&lsig=AG3C_xAwRQIhAIUzxTn9Vw1-vm-_7OQ5-0h1M6AZsY9Bx1FlCCTeMICzAiADtGggbn4Znsrh2EnvyOsGnYdRGcbxn4mW9JMOQiInDQ%3D%3D&range=259165-480735&rn=11&rbuf=20190";
30+
final String encryptedUrl = "https://rr5---sn-hgn7rn7r.googlevideo.com/videoplayback?expire=1660678160&ei=sJv7YqeZF--ox_APxbGmoAY&ip=127.0.0.1&id=o-AFaQeZ3jvQeyHQxPus8HGjIx0GQY7NuEuhTV8rXN0ZNY&itag=278&aitags=133%2C134%2C135%2C136%2C137%2C160%2C242%2C243%2C244%2C247%2C248%2C278&source=youtube&requiressl=yes&mh=_u&mm=31%2C29&mn=sn-hgn7rn7r%2Csn-hgn7ynek&ms=au%2Crdu&mv=m&mvi=5&pl=17&pcm2=no&initcwndbps=1090000&spc=lT-KhhZX76Y3nDFlQltXy5FjBYCL_zo&vprv=1&mime=video%2Fwebm&ns=nj09IAwNAwEzbcs0uiVg_qMH&gir=yes&clen=9528620&dur=1010.040&lmt=1606701000638528&mt=1660656071&fvip=4&keepalive=yes&fexp=24001373%2C24007246&c=WEB&rbqsm=fr&txp=5535434&n=Sz9T011qvlkRgU_o3&sparams=expire%2Cei%2Cip%2Cid%2Caitags%2Csource%2Crequiressl%2Cpcm2%2Cspc%2Cvprv%2Cmime%2Cns%2Cgir%2Cclen%2Cdur%2Clmt&sig=AOq0QJ8wRAIgTNZiDfTFYHcNnQKUkOruoXVERstmzsZYoQkECNDih4gCIFlsP-P3S40YgIFHs913ag6QRJ1R8FTASwFlmJj6Tvsl&lsparams=mh%2Cmm%2Cmn%2Cms%2Cmv%2Cmvi%2Cpl%2Cinitcwndbps&lsig=AG3C_xAwRAIgE6TSXoD44zmCzHzadyU9X2SPW_njlHi6OUFBEqgAWnYCIFn_bpS-qvA1UfziuG4G3KEGQP_Itj9lm-eTWOKHnTRG";
2831

2932
for (final String videoId : videoIds) {
3033
try {
3134
final String decryptedUrl = YoutubeThrottlingDecrypter.apply(encryptedUrl, videoId);
3235
assertNotEquals(encryptedUrl, decryptedUrl);
33-
} catch (EvaluatorException e) {
36+
} catch (final EvaluatorException e) {
3437
fail("Failed to extract n param decrypt function for video " + videoId + "\n" + e);
3538
}
3639
}
3740
}
3841

3942
@Test
40-
public void testDecode__success() throws ParsingException {
41-
// URL extracted from browser with the dev tools
42-
final String encryptedUrl = "https://r6---sn-4g5ednek.googlevideo.com/videoplayback?expire=1626562120&ei=6AnzYO_YBpql1gLGkb_IBQ&ip=127.0.0.1&id=o-ANhBEf36Z5h-8U9DDddtPDqtS0ZNwf0XJAAigudKI2uI&itag=278&aitags=133%2C134%2C135%2C136%2C137%2C160%2C242%2C243%2C244%2C247%2C248%2C278&source=youtube&requiressl=yes&vprv=1&mime=video%2Fwebm&ns=TvecOReN0vPuXb3j_zq157IG&gir=yes&clen=2915100&dur=270.203&lmt=1608157174907785&keepalive=yes&fexp=24001373,24007246&c=WEB&txp=5535432&n=N9BWSTFT7vvBJrvQ&sparams=expire%2Cei%2Cip%2Cid%2Caitags%2Csource%2Crequiressl%2Cvprv%2Cmime%2Cns%2Cgir%2Cclen%2Cdur%2Clmt&alr=yes&sig=AOq0QJ8wRQIgW6XnUDKPDSxiT0_KE_tDDMpcaCJl2Un5p0Fu9qZNQGkCIQDWxsDHi_s2BEmRqIbd1C5g_gzfihB7RZLsScKWNMwzzA%3D%3D&cpn=9r2yt3BqcYmeb2Yu&cver=2.20210716.00.00&redirect_counter=1&cm2rm=sn-4g5ezy7s&cms_redirect=yes&mh=Y5&mm=34&mn=sn-4g5ednek&ms=ltu&mt=1626540524&mv=m&mvi=6&pl=43&lsparams=mh,mm,mn,ms,mv,mvi,pl&lsig=AG3C_xAwRQIhAIUzxTn9Vw1-vm-_7OQ5-0h1M6AZsY9Bx1FlCCTeMICzAiADtGggbn4Znsrh2EnvyOsGnYdRGcbxn4mW9JMOQiInDQ%3D%3D&range=259165-480735&rn=11&rbuf=20190";
43-
final String decryptedUrl = YoutubeThrottlingDecrypter.apply(encryptedUrl, "jE1USQrs1rw");
44-
// The cipher function changes over time, so we just check if the n param changed.
45-
assertNotEquals(encryptedUrl, decryptedUrl);
43+
void testDecode__success() throws ParsingException {
44+
final List<String> encryptedUrls = Collections.unmodifiableList(
45+
Arrays.asList("https://rr1---sn-hgn7rn7r.googlevideo.com/videoplayback?expire=1660677969&ei=8Zr7YrnBIZvHx_APyvyTkAg&ip=127.0.0.1&id=o-ABVbsAjFjWsHlku7MjrQdz2LfpRQEeWjn0B4EpW_FIe7&itag=22&source=youtube&requiressl=yes&mh=T_&mm=31%2C26&mn=sn-hgn7rn7r%2Csn-4g5ednse&ms=au%2Conr&mv=m&mvi=1&pl=17&pcm2=yes&initcwndbps=1090000&spc=lT-KhmgLjVD8yS6LT4K_om80Ge5lG78&vprv=1&mime=video%2Fmp4&ns=VlRzbfguywob-opNNWJQKCEH&cnr=14&ratebypass=yes&dur=433.748&lmt=1575216052966635&mt=1660656071&fvip=3&fexp=24001373%2C24007246&c=WEB&rbqsm=fr&txp=5532432&n=ocK9xP_u33P_dvAYc&sparams=expire%2Cei%2Cip%2Cid%2Citag%2Csource%2Crequiressl%2Cpcm2%2Cspc%2Cvprv%2Cmime%2Cns%2Ccnr%2Cratebypass%2Cdur%2Clmt&sig=AOq0QJ8wRgIhAMeeq_G3pOacpNC8BmFsL98L--YBlyEm8pg53c-2J362AiEAgwnzJC-tM6NWJ9wQAVr1P9ELq75SGGV80uZGHfiC_hM%3D&lsparams=mh%2Cmm%2Cmn%2Cms%2Cmv%2Cmvi%2Cpl%2Cinitcwndbps&lsig=AG3C_xAwRAIgApP35DArhdv4ZxxaqbA2yeZ7DRKOs1XJxNr2680aZ0oCIGLJ9-2ZmOVr7mltKtIxWenc0bFuICUnQbb9KDfcRsRj",
46+
"https://rr2---sn-hgn7rn7k.googlevideo.com/videoplayback?expire=1660677461&ei=9Zj7YvGfEMfvgQex5YK4AQ&ip=127.0.0.1&id=o-AGmlHQdvHb9JeupgQnaDMWPMTxxyzl8khxNY9y7VvrCO&itag=398&aitags=133%2C134%2C135%2C136%2C137%2C160%2C242%2C243%2C244%2C247%2C248%2C278%2C394%2C395%2C396%2C397%2C398%2C399&source=youtube&requiressl=yes&mh=o5&mm=31%2C26&mn=sn-hgn7rn7k%2Csn-4g5e6nsy&ms=au%2Conr&mv=m&mvi=2&pl=17&initcwndbps=1076250&spc=lT-KhoYsyB3Qe5PQuew86lRglM5vM8g&vprv=1&mime=video%2Fmp4&ns=Hg9Snd1EzOBPO8B2cVkq89YH&gir=yes&clen=24058051&dur=176.042&lmt=1647697732093628&mt=1660655595&fvip=2&keepalive=yes&fexp=24001373%2C24007246&c=WEB&rbqsm=fr&txp=4432434&n=6wNAuWZe1XiYTdKUc&sparams=expire%2Cei%2Cip%2Cid%2Caitags%2Csource%2Crequiressl%2Cspc%2Cvprv%2Cmime%2Cns%2Cgir%2Cclen%2Cdur%2Clmt&sig=AOq0QJ8wRQIhAPH1T_hFTTOcfpHQv_z5a379W40hZviCbqqOOpqu-J3DAiAbIw5DGjNEmYxreLCUEUWB4dEy2FnzTNf9K_Wq8Ty0wA%3D%3D&lsparams=mh%2Cmm%2Cmn%2Cms%2Cmv%2Cmvi%2Cpl%2Cinitcwndbps&lsig=AG3C_xAwRQIhAOG7tRpl2qeNB8-0x1PG1QHzpJ5xKSeV6Xdj5DHFgh96AiBCGiDacyqY-t9hcvPLZ-qFKWWKTXYF1tEWjR0ywI2tOw%3D%3D",
47+
"https://rr2---sn-hgn7rn7r.googlevideo.com/videoplayback?expire=1660677590&ei=dpn7YoGYLMaDgAfKhpmAAQ&ip=127.0.0.1&id=o-AIeHsbxBhX7IIzwB63kB7zJNAsH-GGrsZckumpfALkKh&itag=251&source=youtube&requiressl=yes&mh=aM&mm=31%2C26&mn=sn-hgn7rn7r%2Csn-4g5lzney&ms=au%2Conr&mv=m&mvi=2&pl=17&initcwndbps=1066250&spc=lT-Khvw59cxNiJThxMws39dGjbcP7iw&vprv=1&mime=audio%2Fwebm&ns=X9E01CmLpvgOgKeOs4utnzsH&gir=yes&clen=2356264&dur=133.281&lmt=1497160520245113&mt=1660655595&fvip=4&keepalive=yes&fexp=24001373%2C24007246&c=WEB&rbqsm=fr&n=LNeCSGRimaBmK2C6p&sparams=expire%2Cei%2Cip%2Cid%2Citag%2Csource%2Crequiressl%2Cspc%2Cvprv%2Cmime%2Cns%2Cgir%2Cclen%2Cdur%2Clmt&sig=AOq0QJ8wRAIgBThdqF9XIGdaUy2cKh2YPY6CjUPkxVuIs1Ji7LVr1X0CICENxs13JGCRH71TqLG8o3gZEawF2D5OOOjdyjkksQPC&lsparams=mh%2Cmm%2Cmn%2Cms%2Cmv%2Cmvi%2Cpl%2Cinitcwndbps&lsig=AG3C_xAwRQIgXqnU8H8iFprRTM7MjEMztlktLBIOs2M4yipZmfH2gPoCIQDDhHPKDxBZjiPQnODiBqT4G9p4yzkkPSVmlfdi7IwwzA%3D%3D"));
48+
for (final String encryptedUrl : encryptedUrls) {
49+
final String decryptedUrl = YoutubeThrottlingDecrypter.apply(encryptedUrl,
50+
"jE1USQrs1rw");
51+
// The cipher function changes over time, so we just check if the n param changed.
52+
assertNotEquals(encryptedUrl, decryptedUrl);
53+
}
4654
}
4755

4856
@Test
49-
public void testDecode__noNParam__success() throws ParsingException {
50-
final String noNParamUrl = "https://r5---sn-4g5ednsz.googlevideo.com/videoplayback?expire=1626553257&ei=SefyYPmIFoKT1wLtqbjgCQ&ip=127.0.0.1&id=o-AIT5xGifsaEAdEOAb5vd06J9VNtm-KHHolnaZRGPjHZi&itag=140&source=youtube&requiressl=yes&mh=xO&mm=31%2C29&mn=sn-4g5ednsz%2Csn-4g5e6nsr&ms=au%2Crdu&mv=m&mvi=5&pl=24&initcwndbps=1322500&vprv=1&mime=audio%2Fmp4&ns=cA2SS5atEe0mH8tMwGTO4RIG&gir=yes&clen=3009275&dur=185.898&lmt=1626356984653961&mt=1626531173&fvip=5&keepalive=yes&fexp=24001373%2C24007246&beids=23886212&c=WEB&txp=6411222&sparams=expire%2Cei%2Cip%2Cid%2Citag%2Csource%2Crequiressl%2Cvprv%2Cmime%2Cns%2Cgir%2Cclen%2Cdur%2Clmt&lsparams=mh%2Cmm%2Cmn%2Cms%2Cmv%2Cmvi%2Cpl%2Cinitcwndbps&lsig=AG3C_xAwRgIhAPueRlTutSlzPafxrqBmgZz5m7-Zfbw3QweDp3j4XO9SAiEA5tF7_ZCJFKmS-D6I1jlUURjpjoiTbsYyKuarV4u6E8Y%3D&sig=AOq0QJ8wRQIgRD_4WwkPeTEKGVSQqPsznMJGqq4nVJ8o1ChGBCgi4Y0CIQCZT3tI40YLKBWJCh2Q7AlvuUIpN0ficzdSElLeQpJdrw==";
57+
void testDecode__noNParam__success() throws ParsingException {
58+
final String noNParamUrl = "https://rr5---sn-hgn7rn7r.googlevideo.com/videoplayback?expire=1660678263&ei=F5z7YtiqKKjkx_AP1qSFuAg&ip=127.0.0.1&id=o-AG-ATci4w870PV5NXT2n_qeXKNL7O7kIHcRb1kiQSPfZ&itag=597&source=youtube&requiressl=yes&mh=_u&mm=31%2C26&mn=sn-hgn7rn7r%2Csn-4g5edn6r&ms=au%2Conr&mv=m&mvi=5&pl=17&initcwndbps=1091250&spc=lT-KhvhRm_zaHWUnpn3dKQEpkBdYuEs&vprv=1&svpuc=1&mime=video%2Fmp4&gir=yes&clen=3837282&dur=1010.080&lmt=1606602836536371&mt=1660656311&fvip=1&keepalive=yes&fexp=24001373%2C24007246&c=ANDROID&rbqsm=fr&txp=5532434&sparams=expire%2Cei%2Cip%2Cid%2Citag%2Csource%2Crequiressl%2Cspc%2Cvprv%2Csvpuc%2Cmime%2Cgir%2Cclen%2Cdur%2Clmt&sig=AOq0QJ8wRQIgRt7PGHGTgzK_GNzjaujZY0p9_0nLpmXOD_4xChR7Ve8CIQCcIzjnAyjbiNDMd7-nx3dNC5K-qxQyHIvakWjoQfRtew%3D%3D&lsparams=mh%2Cmm%2Cmn%2Cms%2Cmv%2Cmvi%2Cpl%2Cinitcwndbps&lsig=AG3C_xAwRAIgI7Ewc_vB43w_3gNIlV3eU_AXnNwFqjMJQVzi3DDYCJkCIGXo54Urb37uUnt502tLOlJ7jZXo-enGe2a_LZDX2T8D";
5159
final String decrypted = YoutubeThrottlingDecrypter.apply(noNParamUrl, "jE1USQrs1rw");
5260

5361
assertEquals(noNParamUrl, decrypted);
5462
}
5563

64+
@Test
65+
void testCacheCountAndClearCache__success() throws ParsingException {
66+
// Test if the cache works
67+
testDecode__success();
68+
assertEquals(3, YoutubeThrottlingDecrypter.getCacheSize());
69+
70+
// Test if streaming URLs which do not contain the throttling parameter are not decrypted,
71+
// and so do not influence on the cache size
72+
testDecode__noNParam__success();
73+
assertEquals(3, YoutubeThrottlingDecrypter.getCacheSize());
74+
75+
// Test if the cache is really cleared with the corresponding method
76+
YoutubeThrottlingDecrypter.clearCache();
77+
assertEquals(0, YoutubeThrottlingDecrypter.getCacheSize());
78+
}
5679
}

0 commit comments

Comments
 (0)