{"version":3,"file":"github-copilot.d.ts","sourceRoot":"","sources":["../../../src/utils/oauth/github-copilot.ts"],"names":[],"mappings":"AAAA;;GAEG;AAKH,OAAO,KAAK,EAAE,gBAAgB,EAAE,mBAAmB,EAAuB,sBAAsB,EAAE,MAAM,YAAY,CAAC;AAmCrH,wBAAgB,eAAe,CAAC,KAAK,EAAE,MAAM,GAAG,MAAM,GAAG,IAAI,CAS5D;AA4BD,wBAAgB,uBAAuB,CAAC,KAAK,CAAC,EAAE,MAAM,EAAE,gBAAgB,CAAC,EAAE,MAAM,GAAG,MAAM,CASzF;AAmHD;;GAEG;AACH,wBAAsB,yBAAyB,CAC9C,YAAY,EAAE,MAAM,EACpB,gBAAgB,CAAC,EAAE,MAAM,GACvB,OAAO,CAAC,gBAAgB,CAAC,CA6B3B;AA8CD;;;;;;;GAOG;AACH,wBAAsB,kBAAkB,CAAC,OAAO,EAAE;IACjD,YAAY,EAAE,CAAC,IAAI,EAAE,mBAAmB,KAAK,IAAI,CAAC;IAClD,QAAQ,EAAE,CAAC,MAAM,EAAE;QAAE,OAAO,EAAE,MAAM,CAAC;QAAC,WAAW,CAAC,EAAE,MAAM,CAAC;QAAC,UAAU,CAAC,EAAE,OAAO,CAAA;KAAE,KAAK,OAAO,CAAC,MAAM,CAAC,CAAC;IACvG,UAAU,CAAC,EAAE,CAAC,OAAO,EAAE,MAAM,KAAK,IAAI,CAAC;IACvC,MAAM,CAAC,EAAE,WAAW,CAAC;CACrB,GAAG,OAAO,CAAC,gBAAgB,CAAC,CAiC5B;AAED,eAAO,MAAM,0BAA0B,EAAE,sBA4BxC,CAAC","sourcesContent":["/**\n * GitHub Copilot OAuth flow\n */\n\nimport { getModels } from \"../../models.ts\";\nimport type { Api, Model } from \"../../types.ts\";\nimport { pollOAuthDeviceCodeFlow } from \"./device-code.ts\";\nimport type { OAuthCredentials, OAuthDeviceCodeInfo, OAuthLoginCallbacks, OAuthProviderInterface } from \"./types.ts\";\n\ntype CopilotCredentials = OAuthCredentials & {\n\tenterpriseUrl?: string;\n};\n\nconst decode = (s: string) => atob(s);\nconst CLIENT_ID = decode(\"SXYxLmI1MDdhMDhjODdlY2ZlOTg=\");\n\nconst COPILOT_HEADERS = {\n\t\"User-Agent\": \"GitHubCopilotChat/0.35.0\",\n\t\"Editor-Version\": \"vscode/1.107.0\",\n\t\"Editor-Plugin-Version\": \"copilot-chat/0.35.0\",\n\t\"Copilot-Integration-Id\": \"vscode-chat\",\n} as const;\n\ntype DeviceCodeResponse = {\n\tdevice_code: string;\n\tuser_code: string;\n\tverification_uri: string;\n\tinterval?: number;\n\texpires_in: number;\n};\n\ntype DeviceTokenSuccessResponse = {\n\taccess_token: string;\n\ttoken_type?: string;\n\tscope?: string;\n};\n\ntype DeviceTokenErrorResponse = {\n\terror: string;\n\terror_description?: string;\n};\n\nexport function normalizeDomain(input: string): string | null {\n\tconst trimmed = input.trim();\n\tif (!trimmed) return null;\n\ttry {\n\t\tconst url = trimmed.includes(\"://\") ? new URL(trimmed) : new URL(`https://${trimmed}`);\n\t\treturn url.hostname;\n\t} catch {\n\t\treturn null;\n\t}\n}\n\nfunction getUrls(domain: string): {\n\tdeviceCodeUrl: string;\n\taccessTokenUrl: string;\n\tcopilotTokenUrl: string;\n} {\n\treturn {\n\t\tdeviceCodeUrl: `https://${domain}/login/device/code`,\n\t\taccessTokenUrl: `https://${domain}/login/oauth/access_token`,\n\t\tcopilotTokenUrl: `https://api.${domain}/copilot_internal/v2/token`,\n\t};\n}\n\n/**\n * Parse the proxy-ep from a Copilot token and convert to API base URL.\n * Token format: tid=...;exp=...;proxy-ep=proxy.individual.githubcopilot.com;...\n * Returns API URL like https://api.individual.githubcopilot.com\n */\nfunction getBaseUrlFromToken(token: string): string | null {\n\tconst match = token.match(/proxy-ep=([^;]+)/);\n\tif (!match) return null;\n\tconst proxyHost = match[1];\n\t// Convert proxy.xxx to api.xxx\n\tconst apiHost = proxyHost.replace(/^proxy\\./, \"api.\");\n\treturn `https://${apiHost}`;\n}\n\nexport function getGitHubCopilotBaseUrl(token?: string, enterpriseDomain?: string): string {\n\t// If we have a token, extract the base URL from proxy-ep\n\tif (token) {\n\t\tconst urlFromToken = getBaseUrlFromToken(token);\n\t\tif (urlFromToken) return urlFromToken;\n\t}\n\t// Fallback for enterprise or if token parsing fails\n\tif (enterpriseDomain) return `https://copilot-api.${enterpriseDomain}`;\n\treturn \"https://api.individual.githubcopilot.com\";\n}\n\nasync function fetchJson(url: string, init: RequestInit): Promise<unknown> {\n\tconst response = await fetch(url, init);\n\tif (!response.ok) {\n\t\tconst text = await response.text();\n\t\tthrow new Error(`${response.status} ${response.statusText}: ${text}`);\n\t}\n\treturn response.json();\n}\n\nasync function startDeviceFlow(domain: string): Promise<DeviceCodeResponse> {\n\tconst urls = getUrls(domain);\n\tconst data = await fetchJson(urls.deviceCodeUrl, {\n\t\tmethod: \"POST\",\n\t\theaders: {\n\t\t\tAccept: \"application/json\",\n\t\t\t\"Content-Type\": \"application/x-www-form-urlencoded\",\n\t\t\t\"User-Agent\": \"GitHubCopilotChat/0.35.0\",\n\t\t},\n\t\tbody: new URLSearchParams({\n\t\t\tclient_id: CLIENT_ID,\n\t\t\tscope: \"read:user\",\n\t\t}),\n\t});\n\n\tif (!data || typeof data !== \"object\") {\n\t\tthrow new Error(\"Invalid device code response\");\n\t}\n\n\tconst deviceCode = (data as Record<string, unknown>).device_code;\n\tconst userCode = (data as Record<string, unknown>).user_code;\n\tconst verificationUri = (data as Record<string, unknown>).verification_uri;\n\tconst interval = (data as Record<string, unknown>).interval;\n\tconst expiresIn = (data as Record<string, unknown>).expires_in;\n\n\tif (\n\t\ttypeof deviceCode !== \"string\" ||\n\t\ttypeof userCode !== \"string\" ||\n\t\ttypeof verificationUri !== \"string\" ||\n\t\t(interval !== undefined && typeof interval !== \"number\") ||\n\t\ttypeof expiresIn !== \"number\"\n\t) {\n\t\tthrow new Error(\"Invalid device code response fields\");\n\t}\n\n\t// The verification URI is opened in the user's browser and to prevent `open` from\n\t// opening an executable or similar, we force it to be a URL.\n\tlet parsedUri: URL;\n\ttry {\n\t\tparsedUri = new URL(verificationUri);\n\t} catch {\n\t\tthrow new Error(\"Untrusted verification_uri in device code response\");\n\t}\n\tif (parsedUri.protocol !== \"https:\" && parsedUri.protocol !== \"http:\") {\n\t\tthrow new Error(\"Untrusted verification_uri in device code response\");\n\t}\n\n\treturn {\n\t\tdevice_code: deviceCode,\n\t\tuser_code: userCode,\n\t\tverification_uri: parsedUri.href,\n\t\tinterval,\n\t\texpires_in: expiresIn,\n\t};\n}\n\nasync function pollForGitHubAccessToken(\n\tdomain: string,\n\tdevice: DeviceCodeResponse,\n\tsignal?: AbortSignal,\n): Promise<string> {\n\tconst urls = getUrls(domain);\n\treturn pollOAuthDeviceCodeFlow<string>({\n\t\tintervalSeconds: device.interval,\n\t\texpiresInSeconds: device.expires_in,\n\t\tsignal,\n\t\tpoll: async () => {\n\t\t\tconst raw = await fetchJson(urls.accessTokenUrl, {\n\t\t\t\tmethod: \"POST\",\n\t\t\t\theaders: {\n\t\t\t\t\tAccept: \"application/json\",\n\t\t\t\t\t\"Content-Type\": \"application/x-www-form-urlencoded\",\n\t\t\t\t\t\"User-Agent\": \"GitHubCopilotChat/0.35.0\",\n\t\t\t\t},\n\t\t\t\tbody: new URLSearchParams({\n\t\t\t\t\tclient_id: CLIENT_ID,\n\t\t\t\t\tdevice_code: device.device_code,\n\t\t\t\t\tgrant_type: \"urn:ietf:params:oauth:grant-type:device_code\",\n\t\t\t\t}),\n\t\t\t});\n\n\t\t\tif (raw && typeof raw === \"object\" && typeof (raw as DeviceTokenSuccessResponse).access_token === \"string\") {\n\t\t\t\treturn { status: \"complete\", value: (raw as DeviceTokenSuccessResponse).access_token };\n\t\t\t}\n\n\t\t\tif (raw && typeof raw === \"object\" && typeof (raw as DeviceTokenErrorResponse).error === \"string\") {\n\t\t\t\tconst { error, error_description: description } = raw as DeviceTokenErrorResponse;\n\t\t\t\tif (error === \"authorization_pending\") {\n\t\t\t\t\treturn { status: \"pending\" };\n\t\t\t\t}\n\n\t\t\t\tif (error === \"slow_down\") {\n\t\t\t\t\treturn { status: \"slow_down\" };\n\t\t\t\t}\n\n\t\t\t\tconst descriptionSuffix = description ? `: ${description}` : \"\";\n\t\t\t\treturn { status: \"failed\", message: `Device flow failed: ${error}${descriptionSuffix}` };\n\t\t\t}\n\n\t\t\treturn { status: \"failed\", message: \"Invalid device token response\" };\n\t\t},\n\t});\n}\n\n/**\n * Refresh GitHub Copilot token\n */\nexport async function refreshGitHubCopilotToken(\n\trefreshToken: string,\n\tenterpriseDomain?: string,\n): Promise<OAuthCredentials> {\n\tconst domain = enterpriseDomain || \"github.com\";\n\tconst urls = getUrls(domain);\n\n\tconst raw = await fetchJson(urls.copilotTokenUrl, {\n\t\theaders: {\n\t\t\tAccept: \"application/json\",\n\t\t\tAuthorization: `Bearer ${refreshToken}`,\n\t\t\t...COPILOT_HEADERS,\n\t\t},\n\t});\n\n\tif (!raw || typeof raw !== \"object\") {\n\t\tthrow new Error(\"Invalid Copilot token response\");\n\t}\n\n\tconst token = (raw as Record<string, unknown>).token;\n\tconst expiresAt = (raw as Record<string, unknown>).expires_at;\n\n\tif (typeof token !== \"string\" || typeof expiresAt !== \"number\") {\n\t\tthrow new Error(\"Invalid Copilot token response fields\");\n\t}\n\n\treturn {\n\t\trefresh: refreshToken,\n\t\taccess: token,\n\t\texpires: expiresAt * 1000 - 5 * 60 * 1000,\n\t\tenterpriseUrl: enterpriseDomain,\n\t};\n}\n\n/**\n * Enable a model for the user's GitHub Copilot account.\n * This is required for some models (like Claude, Grok) before they can be used.\n */\nasync function enableGitHubCopilotModel(token: string, modelId: string, enterpriseDomain?: string): Promise<boolean> {\n\tconst baseUrl = getGitHubCopilotBaseUrl(token, enterpriseDomain);\n\tconst url = `${baseUrl}/models/${modelId}/policy`;\n\n\ttry {\n\t\tconst response = await fetch(url, {\n\t\t\tmethod: \"POST\",\n\t\t\theaders: {\n\t\t\t\t\"Content-Type\": \"application/json\",\n\t\t\t\tAuthorization: `Bearer ${token}`,\n\t\t\t\t...COPILOT_HEADERS,\n\t\t\t\t\"openai-intent\": \"chat-policy\",\n\t\t\t\t\"x-interaction-type\": \"chat-policy\",\n\t\t\t},\n\t\t\tbody: JSON.stringify({ state: \"enabled\" }),\n\t\t});\n\t\treturn response.ok;\n\t} catch {\n\t\treturn false;\n\t}\n}\n\n/**\n * Enable all known GitHub Copilot models that may require policy acceptance.\n * Called after successful login to ensure all models are available.\n */\nasync function enableAllGitHubCopilotModels(\n\ttoken: string,\n\tenterpriseDomain?: string,\n\tonProgress?: (model: string, success: boolean) => void,\n): Promise<void> {\n\tconst models = getModels(\"github-copilot\");\n\tawait Promise.all(\n\t\tmodels.map(async (model) => {\n\t\t\tconst success = await enableGitHubCopilotModel(token, model.id, enterpriseDomain);\n\t\t\tonProgress?.(model.id, success);\n\t\t}),\n\t);\n}\n\n/**\n * Login with GitHub Copilot OAuth (device code flow)\n *\n * @param options.onDeviceCode - Callback with URL and user code\n * @param options.onPrompt - Callback to prompt user for input\n * @param options.onProgress - Optional progress callback\n * @param options.signal - Optional AbortSignal for cancellation\n */\nexport async function loginGitHubCopilot(options: {\n\tonDeviceCode: (info: OAuthDeviceCodeInfo) => void;\n\tonPrompt: (prompt: { message: string; placeholder?: string; allowEmpty?: boolean }) => Promise<string>;\n\tonProgress?: (message: string) => void;\n\tsignal?: AbortSignal;\n}): Promise<OAuthCredentials> {\n\tconst input = await options.onPrompt({\n\t\tmessage: \"GitHub Enterprise URL/domain (blank for github.com)\",\n\t\tplaceholder: \"company.ghe.com\",\n\t\tallowEmpty: true,\n\t});\n\n\tif (options.signal?.aborted) {\n\t\tthrow new Error(\"Login cancelled\");\n\t}\n\n\tconst trimmed = input.trim();\n\tconst enterpriseDomain = normalizeDomain(input);\n\tif (trimmed && !enterpriseDomain) {\n\t\tthrow new Error(\"Invalid GitHub Enterprise URL/domain\");\n\t}\n\tconst domain = enterpriseDomain || \"github.com\";\n\n\tconst device = await startDeviceFlow(domain);\n\toptions.onDeviceCode({\n\t\tuserCode: device.user_code,\n\t\tverificationUri: device.verification_uri,\n\t\tintervalSeconds: device.interval,\n\t\texpiresInSeconds: device.expires_in,\n\t});\n\n\tconst githubAccessToken = await pollForGitHubAccessToken(domain, device, options.signal);\n\tconst credentials = await refreshGitHubCopilotToken(githubAccessToken, enterpriseDomain ?? undefined);\n\n\t// Enable all models after successful login\n\toptions.onProgress?.(\"Enabling models...\");\n\tawait enableAllGitHubCopilotModels(credentials.access, enterpriseDomain ?? undefined);\n\treturn credentials;\n}\n\nexport const githubCopilotOAuthProvider: OAuthProviderInterface = {\n\tid: \"github-copilot\",\n\tname: \"GitHub Copilot\",\n\n\tasync login(callbacks: OAuthLoginCallbacks): Promise<OAuthCredentials> {\n\t\treturn loginGitHubCopilot({\n\t\t\tonDeviceCode: callbacks.onDeviceCode,\n\t\t\tonPrompt: callbacks.onPrompt,\n\t\t\tonProgress: callbacks.onProgress,\n\t\t\tsignal: callbacks.signal,\n\t\t});\n\t},\n\n\tasync refreshToken(credentials: OAuthCredentials): Promise<OAuthCredentials> {\n\t\tconst creds = credentials as CopilotCredentials;\n\t\treturn refreshGitHubCopilotToken(creds.refresh, creds.enterpriseUrl);\n\t},\n\n\tgetApiKey(credentials: OAuthCredentials): string {\n\t\treturn credentials.access;\n\t},\n\n\tmodifyModels(models: Model<Api>[], credentials: OAuthCredentials): Model<Api>[] {\n\t\tconst creds = credentials as CopilotCredentials;\n\t\tconst domain = creds.enterpriseUrl ? (normalizeDomain(creds.enterpriseUrl) ?? undefined) : undefined;\n\t\tconst baseUrl = getGitHubCopilotBaseUrl(creds.access, domain);\n\t\treturn models.map((m) => (m.provider === \"github-copilot\" ? { ...m, baseUrl } : m));\n\t},\n};\n"]}