Marc Mintel
5397309103
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{"version":3,"file":"tracing.js","sources":["../../../src/utils/tracing.ts"],"sourcesContent":["import type { Client } from '../client';\nimport type { DynamicSamplingContext } from '../types-hoist/envelope';\nimport type { PropagationContext } from '../types-hoist/tracing';\nimport type { TraceparentData } from '../types-hoist/transaction';\nimport { debug } from '../utils/debug-logger';\nimport { baggageHeaderToDynamicSamplingContext } from './baggage';\nimport { extractOrgIdFromClient } from './dsn';\nimport { parseSampleRate } from './parseSampleRate';\nimport { generateSpanId, generateTraceId } from './propagationContext';\nimport { safeMathRandom } from './randomSafeContext';\n\n// eslint-disable-next-line @sentry-internal/sdk/no-regexp-constructor -- RegExp is used for readability here\nexport const TRACEPARENT_REGEXP = new RegExp(\n '^[ \\\\t]*' + // whitespace\n '([0-9a-f]{32})?' + // trace_id\n '-?([0-9a-f]{16})?' + // span_id\n '-?([01])?' + // sampled\n '[ \\\\t]*$', // whitespace\n);\n\n/**\n * Extract transaction context data from a `sentry-trace` header.\n *\n * This is terrible naming but the function has nothing to do with the W3C traceparent header.\n * It can only parse the `sentry-trace` header and extract the \"trace parent\" data.\n *\n * @param traceparent Traceparent string\n *\n * @returns Object containing data from the header, or undefined if traceparent string is malformed\n */\nexport function extractTraceparentData(traceparent?: string): TraceparentData | undefined {\n if (!traceparent) {\n return undefined;\n }\n\n const matches = traceparent.match(TRACEPARENT_REGEXP);\n if (!matches) {\n return undefined;\n }\n\n let parentSampled: boolean | undefined;\n if (matches[3] === '1') {\n parentSampled = true;\n } else if (matches[3] === '0') {\n parentSampled = false;\n }\n\n return {\n traceId: matches[1],\n parentSampled,\n parentSpanId: matches[2],\n };\n}\n\n/**\n * Create a propagation context from incoming headers or\n * creates a minimal new one if the headers are undefined.\n */\nexport function propagationContextFromHeaders(\n sentryTrace: string | undefined,\n baggage: string | number | boolean | string[] | null | undefined,\n): PropagationContext {\n const traceparentData = extractTraceparentData(sentryTrace);\n const dynamicSamplingContext = baggageHeaderToDynamicSamplingContext(baggage);\n\n if (!traceparentData?.traceId) {\n return {\n traceId: generateTraceId(),\n sampleRand: safeMathRandom(),\n };\n }\n\n const sampleRand = getSampleRandFromTraceparentAndDsc(traceparentData, dynamicSamplingContext);\n\n // The sample_rand on the DSC needs to be generated based on traceparent + baggage.\n if (dynamicSamplingContext) {\n dynamicSamplingContext.sample_rand = sampleRand.toString();\n }\n\n const { traceId, parentSpanId, parentSampled } = traceparentData;\n\n return {\n traceId,\n parentSpanId,\n sampled: parentSampled,\n dsc: dynamicSamplingContext || {}, // If we have traceparent data but no DSC it means we are not head of trace and we must freeze it\n sampleRand,\n };\n}\n\n/**\n * Create sentry-trace header from span context values.\n */\nexport function generateSentryTraceHeader(\n traceId: string | undefined = generateTraceId(),\n spanId: string | undefined = generateSpanId(),\n sampled?: boolean,\n): string {\n let sampledString = '';\n if (sampled !== undefined) {\n sampledString = sampled ? '-1' : '-0';\n }\n return `${traceId}-${spanId}${sampledString}`;\n}\n\n/**\n * Creates a W3C traceparent header from the given trace and span ids.\n */\nexport function generateTraceparentHeader(\n traceId: string | undefined = generateTraceId(),\n spanId: string | undefined = generateSpanId(),\n sampled?: boolean,\n): string {\n return `00-${traceId}-${spanId}-${sampled ? '01' : '00'}`;\n}\n\n/**\n * Given any combination of an incoming trace, generate a sample rand based on its defined semantics.\n *\n * Read more: https://develop.sentry.dev/sdk/telemetry/traces/#propagated-random-value\n */\nfunction getSampleRandFromTraceparentAndDsc(\n traceparentData: TraceparentData | undefined,\n dsc: Partial<DynamicSamplingContext> | undefined,\n): number {\n // When there is an incoming sample rand use it.\n const parsedSampleRand = parseSampleRate(dsc?.sample_rand);\n if (parsedSampleRand !== undefined) {\n return parsedSampleRand;\n }\n\n // Otherwise, if there is an incoming sampling decision + sample rate, generate a sample rand that would lead to the same sampling decision.\n const parsedSampleRate = parseSampleRate(dsc?.sample_rate);\n if (parsedSampleRate && traceparentData?.parentSampled !== undefined) {\n return traceparentData.parentSampled\n ? // Returns a sample rand with positive sampling decision [0, sampleRate)\n safeMathRandom() * parsedSampleRate\n : // Returns a sample rand with negative sampling decision [sampleRate, 1)\n parsedSampleRate + safeMathRandom() * (1 - parsedSampleRate);\n } else {\n // If nothing applies, return a random sample rand.\n return safeMathRandom();\n }\n}\n\n/**\n * Determines whether a new trace should be continued based on the provided baggage org ID and the client's `strictTraceContinuation` option.\n * If the trace should not be continued, a new trace will be started.\n *\n * The result is dependent on the `strictTraceContinuation` option in the client.\n * See https://develop.sentry.dev/sdk/telemetry/traces/#stricttracecontinuation\n */\nexport function shouldContinueTrace(client: Client, baggageOrgId?: string): boolean {\n const clientOrgId = extractOrgIdFromClient(client);\n\n // Case: baggage orgID and Client orgID don't match - always start new trace\n if (baggageOrgId && clientOrgId && baggageOrgId !== clientOrgId) {\n debug.log(\n `Won't continue trace because org IDs don't match (incoming baggage: ${baggageOrgId}, SDK options: ${clientOrgId})`,\n );\n return false;\n }\n\n const strictTraceContinuation = client.getOptions().strictTraceContinuation || false; // default for `strictTraceContinuation` is `false`\n\n if (strictTraceContinuation) {\n // With strict continuation enabled, don't continue trace if:\n // - Baggage has orgID, but Client doesn't have one\n // - Client has orgID, but baggage doesn't have one\n if ((baggageOrgId && !clientOrgId) || (!baggageOrgId && clientOrgId)) {\n debug.log(\n `Starting a new trace because strict trace continuation is enabled but one org ID is missing (incoming baggage: ${baggageOrgId}, Sentry client: ${clientOrgId})`,\n );\n return false;\n }\n }\n\n return true;\n}\n"],"names":["baggage","baggageHeaderToDynamicSamplingContext","generateTraceId","safeMathRandom","generateSpanId","parseSampleRate","extractOrgIdFromClient","debug"],"mappings":";;;;;;;;;AAWA;AACO,MAAM,kBAAA,GAAqB,IAAI,MAAM;AAC5C,EAAE,UAAA;AACF,IAAI,iBAAA;AACJ,IAAI,mBAAA;AACJ,IAAI,WAAA;AACJ,IAAI,UAAU;AACd;;AAEA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACO,SAAS,sBAAsB,CAAC,WAAW,EAAwC;AAC1F,EAAE,IAAI,CAAC,WAAW,EAAE;AACpB,IAAI,OAAO,SAAS;AACpB,EAAE;;AAEF,EAAE,MAAM,UAAU,WAAW,CAAC,KAAK,CAAC,kBAAkB,CAAC;AACvD,EAAE,IAAI,CAAC,OAAO,EAAE;AAChB,IAAI,OAAO,SAAS;AACpB,EAAE;;AAEF,EAAE,IAAI,aAAa;AACnB,EAAE,IAAI,OAAO,CAAC,CAAC,CAAA,KAAM,GAAG,EAAE;AAC1B,IAAI,aAAA,GAAgB,IAAI;AACxB,EAAE,CAAA,MAAO,IAAI,OAAO,CAAC,CAAC,CAAA,KAAM,GAAG,EAAE;AACjC,IAAI,aAAA,GAAgB,KAAK;AACzB,EAAE;;AAEF,EAAE,OAAO;AACT,IAAI,OAAO,EAAE,OAAO,CAAC,CAAC,CAAC;AACvB,IAAI,aAAa;AACjB,IAAI,YAAY,EAAE,OAAO,CAAC,CAAC,CAAC;AAC5B,GAAG;AACH;;AAEA;AACA;AACA;AACA;AACO,SAAS,6BAA6B;AAC7C,EAAE,WAAW;AACb,EAAEA,SAAO;AACT,EAAsB;AACtB,EAAE,MAAM,eAAA,GAAkB,sBAAsB,CAAC,WAAW,CAAC;AAC7D,EAAE,MAAM,sBAAA,GAAyBC,6CAAqC,CAACD,SAAO,CAAC;;AAE/E,EAAE,IAAI,CAAC,eAAe,EAAE,OAAO,EAAE;AACjC,IAAI,OAAO;AACX,MAAM,OAAO,EAAEE,kCAAe,EAAE;AAChC,MAAM,UAAU,EAAEC,gCAAc,EAAE;AAClC,KAAK;AACL,EAAE;;AAEF,EAAE,MAAM,aAAa,kCAAkC,CAAC,eAAe,EAAE,sBAAsB,CAAC;;AAEhG;AACA,EAAE,IAAI,sBAAsB,EAAE;AAC9B,IAAI,sBAAsB,CAAC,WAAA,GAAc,UAAU,CAAC,QAAQ,EAAE;AAC9D,EAAE;;AAEF,EAAE,MAAM,EAAE,OAAO,EAAE,YAAY,EAAE,aAAA,EAAc,GAAI,eAAe;;AAElE,EAAE,OAAO;AACT,IAAI,OAAO;AACX,IAAI,YAAY;AAChB,IAAI,OAAO,EAAE,aAAa;AAC1B,IAAI,GAAG,EAAE,sBAAA,IAA0B,EAAE;AACrC,IAAI,UAAU;AACd,GAAG;AACH;;AAEA;AACA;AACA;AACO,SAAS,yBAAyB;AACzC,EAAE,OAAO,GAAuBD,kCAAe,EAAE;AACjD,EAAE,MAAM,GAAuBE,iCAAc,EAAE;AAC/C,EAAE,OAAO;AACT,EAAU;AACV,EAAE,IAAI,aAAA,GAAgB,EAAE;AACxB,EAAE,IAAI,OAAA,KAAY,SAAS,EAAE;AAC7B,IAAI,gBAAgB,OAAA,GAAU,IAAA,GAAO,IAAI;AACzC,EAAE;AACF,EAAE,OAAO,CAAC,EAAA,OAAA,CAAA,CAAA,EAAA,MAAA,CAAA,EAAA,aAAA,CAAA,CAAA;AACA;;AAEA;AACA;AACA;AACA,SAAA,yBAAA;AACA,EAAA,OAAA,GAAAF,kCAAA,EAAA;AACA,EAAA,MAAA,GAAAE,iCAAA,EAAA;AACA,EAAA,OAAA;AACA,EAAA;AACA,EAAA,OAAA,CAAA,GAAA,EAAA,OAAA,CAAA,CAAA,EAAA,MAAA,CAAA,CAAA,EAAA,OAAA,GAAA,IAAA,GAAA,IAAA,CAAA,CAAA;AACA;;AAEA;AACA;AACA;AACA;AACA;AACA,SAAA,kCAAA;AACA,EAAA,eAAA;AACA,EAAA,GAAA;AACA,EAAA;AACA;AACA,EAAA,MAAA,gBAAA,GAAAC,+BAAA,CAAA,GAAA,EAAA,WAAA,CAAA;AACA,EAAA,IAAA,gBAAA,KAAA,SAAA,EAAA;AACA,IAAA,OAAA,gBAAA;AACA,EAAA;;AAEA;AACA,EAAA,MAAA,gBAAA,GAAAA,+BAAA,CAAA,GAAA,EAAA,WAAA,CAAA;AACA,EAAA,IAAA,gBAAA,IAAA,eAAA,EAAA,aAAA,KAAA,SAAA,EAAA;AACA,IAAA,OAAA,eAAA,CAAA;AACA;AACA,QAAAF,gCAAA,EAAA,GAAA;AACA;AACA,QAAA,gBAAA,GAAAA,gCAAA,EAAA,IAAA,CAAA,GAAA,gBAAA,CAAA;AACA,EAAA,CAAA,MAAA;AACA;AACA,IAAA,OAAAA,gCAAA,EAAA;AACA,EAAA;AACA;;AAEA;AACA;AACA;AACA;AACA;AACA;AACA;AACA,SAAA,mBAAA,CAAA,MAAA,EAAA,YAAA,EAAA;AACA,EAAA,MAAA,WAAA,GAAAG,0BAAA,CAAA,MAAA,CAAA;;AAEA;AACA,EAAA,IAAA,YAAA,IAAA,WAAA,IAAA,YAAA,KAAA,WAAA,EAAA;AACA,IAAAC,iBAAA,CAAA,GAAA;AACA,MAAA,CAAA,oEAAA,EAAA,YAAA,CAAA,eAAA,EAAA,WAAA,CAAA,CAAA,CAAA;AACA,KAAA;AACA,IAAA,OAAA,KAAA;AACA,EAAA;;AAEA,EAAA,MAAA,uBAAA,GAAA,MAAA,CAAA,UAAA,EAAA,CAAA,uBAAA,IAAA,KAAA,CAAA;;AAEA,EAAA,IAAA,uBAAA,EAAA;AACA;AACA;AACA;AACA,IAAA,IAAA,CAAA,YAAA,IAAA,CAAA,WAAA,MAAA,CAAA,YAAA,IAAA,WAAA,CAAA,EAAA;AACA,MAAAA,iBAAA,CAAA,GAAA;AACA,QAAA,CAAA,+GAAA,EAAA,YAAA,CAAA,iBAAA,EAAA,WAAA,CAAA,CAAA,CAAA;AACA,OAAA;AACA,MAAA,OAAA,KAAA;AACA,IAAA;AACA,EAAA;;AAEA,EAAA,OAAA,IAAA;AACA;;;;;;;;;"} |