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feat: use latest NewPipe implementation
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,211 +1,127 @@ | ||
| <!DOCTYPE html> | ||
| <html lang="en"><head><title></title><script> | ||
| class BotGuardClient { | ||
| constructor(options) { | ||
| this.userInteractionElement = options.userInteractionElement; | ||
| this.vm = options.globalObj[options.globalName]; | ||
| this.program = options.program; | ||
| this.vmFunctions = {}; | ||
| this.syncSnapshotFunction = null; | ||
| } | ||
|
|
||
| /** | ||
| * Factory method to create and load a BotGuardClient instance. | ||
| * @param options - Configuration options for the BotGuardClient. | ||
| * @returns A promise that resolves to a loaded BotGuardClient instance. | ||
| */ | ||
| static async create(options) { | ||
| return await new BotGuardClient(options).load(); | ||
| } | ||
|
|
||
| async load() { | ||
| if (!this.vm) | ||
| throw new Error('[BotGuardClient]: VM not found in the global object'); | ||
|
|
||
| if (!this.vm.a) | ||
| throw new Error('[BotGuardClient]: Could not load program'); | ||
|
|
||
| const vmFunctionsCallback = ( | ||
| asyncSnapshotFunction, | ||
| shutdownFunction, | ||
| passEventFunction, | ||
| checkCameraFunction | ||
| ) => { | ||
| this.vmFunctions = { | ||
| asyncSnapshotFunction: asyncSnapshotFunction, | ||
| shutdownFunction: shutdownFunction, | ||
| passEventFunction: passEventFunction, | ||
| checkCameraFunction: checkCameraFunction | ||
| /** | ||
| * Factory method to create and load a BotGuardClient instance. | ||
| * @param options - Configuration options for the BotGuardClient. | ||
| * @returns A promise that resolves to a loaded BotGuardClient instance. | ||
| */ | ||
| function loadBotGuard(challengeData) { | ||
| this.vm = this[challengeData.globalName]; | ||
| this.program = challengeData.program; | ||
| this.vmFunctions = {}; | ||
| this.syncSnapshotFunction = null; | ||
|
|
||
| if (!this.vm) | ||
| throw new Error('[BotGuardClient]: VM not found in the global object'); | ||
|
|
||
| if (!this.vm.a) | ||
| throw new Error('[BotGuardClient]: Could not load program'); | ||
|
|
||
| const vmFunctionsCallback = function ( | ||
| asyncSnapshotFunction, | ||
| shutdownFunction, | ||
| passEventFunction, | ||
| checkCameraFunction | ||
| ) { | ||
| this.vmFunctions = { | ||
| asyncSnapshotFunction: asyncSnapshotFunction, | ||
| shutdownFunction: shutdownFunction, | ||
| passEventFunction: passEventFunction, | ||
| checkCameraFunction: checkCameraFunction | ||
| }; | ||
| }; | ||
| }; | ||
|
|
||
| try { | ||
| this.syncSnapshotFunction = await this.vm.a(this.program, vmFunctionsCallback, true, this.userInteractionElement, () => {/** no-op */ }, [ [], [] ])[0]; | ||
| } catch (error) { | ||
| throw new Error(`[BotGuardClient]: Failed to load program (${error.message})`); | ||
| this.syncSnapshotFunction = this.vm.a(this.program, vmFunctionsCallback, true, this.userInteractionElement, function () {/** no-op */ }, [ [], [] ])[0] | ||
|
|
||
| // an asynchronous function runs in the background and it will eventually call | ||
| // `vmFunctionsCallback`, however we need to manually tell JavaScript to pass | ||
| // control to the things running in the background by interrupting this async | ||
| // function in any way, e.g. with a delay of 1ms. The loop is most probably not | ||
| // needed but is there just because. | ||
| return new Promise(function (resolve, reject) { | ||
| i = 0 | ||
| refreshIntervalId = setInterval(function () { | ||
| if (!!this.vmFunctions.asyncSnapshotFunction) { | ||
| resolve(this) | ||
| clearInterval(refreshIntervalId); | ||
| } | ||
| if (i >= 10000) { | ||
| reject("asyncSnapshotFunction is null even after 10 seconds") | ||
| clearInterval(refreshIntervalId); | ||
| } | ||
| i += 1; | ||
| }, 1); | ||
| }) | ||
| } | ||
|
|
||
| // an asynchronous function runs in the background and it will eventually call | ||
| // `vmFunctionsCallback`, however we need to manually tell JavaScript to pass | ||
| // control to the things running in the background by interrupting this async | ||
| // function in any way, e.g. with a delay of 1ms. The loop is most probably not | ||
| // needed but is there just because. | ||
| for (let i = 0; i < 10000 && !this.vmFunctions.asyncSnapshotFunction; ++i) { | ||
| await new Promise(f => setTimeout(f, 1)) | ||
| /** | ||
| * Takes a snapshot asynchronously. | ||
| * @returns The snapshot result. | ||
| * @example | ||
| * ```ts | ||
| * const result = await botguard.snapshot({ | ||
| * contentBinding: { | ||
| * c: "a=6&a2=10&b=SZWDwKVIuixOp7Y4euGTgwckbJA&c=1729143849&d=1&t=7200&c1a=1&c6a=1&c6b=1&hh=HrMb5mRWTyxGJphDr0nW2Oxonh0_wl2BDqWuLHyeKLo", | ||
| * e: "ENGAGEMENT_TYPE_VIDEO_LIKE", | ||
| * encryptedVideoId: "P-vC09ZJcnM" | ||
| * } | ||
| * }); | ||
| * | ||
| * console.log(result); | ||
| * ``` | ||
| */ | ||
| function snapshot(args) { | ||
| return new Promise(function (resolve, reject) { | ||
| if (!this.vmFunctions.asyncSnapshotFunction) | ||
| return reject(new Error('[BotGuardClient]: Async snapshot function not found')); | ||
|
|
||
| this.vmFunctions.asyncSnapshotFunction(function (response) { resolve(response) }, [ | ||
| args.contentBinding, | ||
| args.signedTimestamp, | ||
| args.webPoSignalOutput, | ||
| args.skipPrivacyBuffer | ||
| ]); | ||
| }); | ||
| } | ||
|
|
||
| return this; | ||
| } | ||
|
|
||
| /** | ||
| * Takes a snapshot asynchronously. | ||
| * @returns The snapshot result. | ||
| * @example | ||
| * ```ts | ||
| * const result = await botguard.snapshot({ | ||
| * contentBinding: { | ||
| * c: "a=6&a2=10&b=SZWDwKVIuixOp7Y4euGTgwckbJA&c=1729143849&d=1&t=7200&c1a=1&c6a=1&c6b=1&hh=HrMb5mRWTyxGJphDr0nW2Oxonh0_wl2BDqWuLHyeKLo", | ||
| * e: "ENGAGEMENT_TYPE_VIDEO_LIKE", | ||
| * encryptedVideoId: "P-vC09ZJcnM" | ||
| * } | ||
| * }); | ||
| * | ||
| * console.log(result); | ||
| * ``` | ||
| */ | ||
| async snapshot(args) { | ||
| return new Promise((resolve, reject) => { | ||
| if (!this.vmFunctions.asyncSnapshotFunction) | ||
| return reject(new Error('[BotGuardClient]: Async snapshot function not found')); | ||
|
|
||
| this.vmFunctions.asyncSnapshotFunction((response) => resolve(response), [ | ||
| args.contentBinding, | ||
| args.signedTimestamp, | ||
| args.webPoSignalOutput, | ||
| args.skipPrivacyBuffer | ||
| ]); | ||
| }); | ||
| } | ||
| } | ||
| /** | ||
| * Parses the challenge data from the provided response data. | ||
| */ | ||
| function parseChallengeData(rawData) { | ||
| let challengeData = []; | ||
|
|
||
| if (rawData.length > 1 && typeof rawData[1] === 'string') { | ||
| const descrambled = descramble(rawData[1]); | ||
| challengeData = JSON.parse(descrambled || '[]'); | ||
| } else if (rawData.length && typeof rawData[0] === 'object') { | ||
| challengeData = rawData[0]; | ||
| } | ||
|
|
||
| const [ messageId, wrappedScript, wrappedUrl, interpreterHash, program, globalName, , clientExperimentsStateBlob ] = challengeData; | ||
|
|
||
| const privateDoNotAccessOrElseSafeScriptWrappedValue = Array.isArray(wrappedScript) ? wrappedScript.find((value) => value && typeof value === 'string') : null; | ||
| const privateDoNotAccessOrElseTrustedResourceUrlWrappedValue = Array.isArray(wrappedUrl) ? wrappedUrl.find((value) => value && typeof value === 'string') : null; | ||
|
|
||
| return { | ||
| messageId, | ||
| interpreterJavascript: { | ||
| privateDoNotAccessOrElseSafeScriptWrappedValue, | ||
| privateDoNotAccessOrElseTrustedResourceUrlWrappedValue | ||
| }, | ||
| interpreterHash, | ||
| program, | ||
| globalName, | ||
| clientExperimentsStateBlob | ||
| }; | ||
| } | ||
|
|
||
| /** | ||
| * Descrambles the given challenge data. | ||
| */ | ||
| function descramble(scrambledChallenge) { | ||
| const buffer = base64ToU8(scrambledChallenge); | ||
| if (buffer.length) | ||
| return new TextDecoder().decode(buffer.map((b) => b + 97)); | ||
| } | ||
|
|
||
| const base64urlCharRegex = /[-_.]/g; | ||
|
|
||
| const base64urlToBase64Map = { | ||
| '-': '+', | ||
| _: '/', | ||
| '.': '=' | ||
| }; | ||
|
|
||
| function base64ToU8(base64) { | ||
| let base64Mod; | ||
|
|
||
| if (base64urlCharRegex.test(base64)) { | ||
| base64Mod = base64.replace(base64urlCharRegex, function (match) { | ||
| return base64urlToBase64Map[match]; | ||
| }); | ||
| } else { | ||
| base64Mod = base64; | ||
| } | ||
|
|
||
| base64Mod = atob(base64Mod); | ||
|
|
||
| return new Uint8Array( | ||
| [ ...base64Mod ].map( | ||
| (char) => char.charCodeAt(0) | ||
| ) | ||
| ); | ||
| } | ||
|
|
||
| function u8ToBase64(u8, base64url = false) { | ||
| const result = btoa(String.fromCharCode(...u8)); | ||
|
|
||
| if (base64url) { | ||
| return result | ||
| .replace(/\+/g, '-') | ||
| .replace(/\//g, '_'); | ||
| } | ||
|
|
||
| return result; | ||
| } | ||
|
|
||
| async function runBotGuard(rawChallengeData) { | ||
| const challengeData = parseChallengeData(rawChallengeData) | ||
| const interpreterJavascript = challengeData.interpreterJavascript.privateDoNotAccessOrElseSafeScriptWrappedValue; | ||
|
|
||
| if (interpreterJavascript) { | ||
| new Function(interpreterJavascript)(); | ||
| } else throw new Error('Could not load VM'); | ||
|
|
||
| const botguard = await BotGuardClient.create({ | ||
| globalName: challengeData.globalName, | ||
| globalObj: this, | ||
| program: challengeData.program | ||
| }); | ||
|
|
||
| const webPoSignalOutput = []; | ||
| const botguardResponse = await botguard.snapshot({ webPoSignalOutput }); | ||
| return { webPoSignalOutput, botguardResponse } | ||
| } | ||
|
|
||
| async function obtainPoToken(webPoSignalOutput, integrityTokenResponse, identifier) { | ||
| const integrityToken = integrityTokenResponse[0]; | ||
| const getMinter = webPoSignalOutput[0]; | ||
|
|
||
| if (!getMinter) | ||
| throw new Error('PMD:Undefined'); | ||
|
|
||
| const mintCallback = await getMinter(base64ToU8(integrityToken)); | ||
|
|
||
| if (!(mintCallback instanceof Function)) | ||
| throw new Error('APF:Failed'); | ||
|
|
||
| const result = await mintCallback(new TextEncoder().encode(identifier)); | ||
|
|
||
| if (!result) | ||
| throw new Error('YNJ:Undefined'); | ||
|
|
||
| if (!(result instanceof Uint8Array)) | ||
| throw new Error('ODM:Invalid'); | ||
|
|
||
| return u8ToBase64(result, true); | ||
| } | ||
| </script></head><body></body></html> | ||
| function runBotGuard(challengeData) { | ||
| const interpreterJavascript = challengeData.interpreterJavascript.privateDoNotAccessOrElseSafeScriptWrappedValue; | ||
|
|
||
| if (interpreterJavascript) { | ||
| new Function(interpreterJavascript)(); | ||
| } else throw new Error('Could not load VM'); | ||
|
|
||
| const webPoSignalOutput = []; | ||
| return loadBotGuard({ | ||
| globalName: challengeData.globalName, | ||
| globalObj: this, | ||
| program: challengeData.program | ||
| }).then(function (botguard) { | ||
| return botguard.snapshot({ webPoSignalOutput: webPoSignalOutput }) | ||
| }).then(function (botguardResponse) { | ||
| return { webPoSignalOutput: webPoSignalOutput, botguardResponse: botguardResponse } | ||
| }) | ||
| } | ||
|
|
||
| function obtainPoToken(webPoSignalOutput, integrityToken, identifier) { | ||
| const getMinter = webPoSignalOutput[0]; | ||
|
|
||
| if (!getMinter) | ||
| throw new Error('PMD:Undefined'); | ||
|
|
||
| const mintCallback = getMinter(integrityToken); | ||
|
|
||
| if (!(mintCallback instanceof Function)) | ||
| throw new Error('APF:Failed'); | ||
|
|
||
| const result = mintCallback(identifier); | ||
|
|
||
| if (!result) | ||
| throw new Error('YNJ:Undefined'); | ||
|
|
||
| if (!(result instanceof Uint8Array)) | ||
| throw new Error('ODM:Invalid'); | ||
|
|
||
| return result; | ||
| } | ||
| </script></head><body></body></html> |
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