Marc Mintel
5397309103
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3.3 KiB
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{"version":3,"sources":["../../src/uploads/getRangeRequestInfo.ts"],"sourcesContent":["import { status as httpStatus } from 'http-status'\n\nimport { parseRangeHeader } from './parseRangeHeader.js'\n\nexport type RangeRequestResult =\n | {\n headers: {\n 'Accept-Ranges': string\n 'Content-Length': string\n 'Content-Range'?: string\n }\n rangeEnd: number\n rangeStart: number\n status: 206\n type: 'partial'\n }\n | {\n headers: {\n 'Accept-Ranges': string\n 'Content-Length': string\n }\n status: 200\n type: 'full'\n }\n | {\n headers: {\n 'Content-Range': string\n }\n status: 416\n type: 'invalid'\n }\n\n/**\n * Gets HTTP Range request information according to RFC 7233\n *\n * @param fileSize - The total size of the file in bytes\n * @param rangeHeader - The Range header value from the request (e.g., \"bytes=0-1023\")\n * @returns Result object with headers and status code for the response\n */\nexport function getRangeRequestInfo({\n fileSize,\n rangeHeader,\n}: {\n fileSize: number\n rangeHeader: null | string\n}): RangeRequestResult {\n // Parse the Range header\n const rangeResult = parseRangeHeader({\n fileSize,\n rangeHeader,\n })\n\n // Handle invalid range\n if (rangeResult.type === 'invalid') {\n return {\n type: 'invalid',\n headers: {\n 'Content-Range': `bytes */${fileSize}`,\n },\n status: httpStatus.REQUESTED_RANGE_NOT_SATISFIABLE,\n }\n }\n\n // Handle partial range request\n if (rangeResult.type === 'partial' && rangeResult.range) {\n const { end, start } = rangeResult.range\n const contentLength = end - start + 1\n\n return {\n type: 'partial',\n headers: {\n 'Accept-Ranges': 'bytes',\n 'Content-Length': String(contentLength),\n 'Content-Range': `bytes ${start}-${end}/${fileSize}`,\n },\n rangeEnd: end,\n rangeStart: start,\n status: httpStatus.PARTIAL_CONTENT,\n }\n }\n\n // Handle full file request (no range or invalid)\n return {\n type: 'full',\n headers: {\n 'Accept-Ranges': 'bytes',\n 'Content-Length': String(fileSize),\n },\n status: httpStatus.OK,\n }\n}\n"],"names":["status","httpStatus","parseRangeHeader","getRangeRequestInfo","fileSize","rangeHeader","rangeResult","type","headers","REQUESTED_RANGE_NOT_SATISFIABLE","range","end","start","contentLength","String","rangeEnd","rangeStart","PARTIAL_CONTENT","OK"],"mappings":"AAAA,SAASA,UAAUC,UAAU,QAAQ,cAAa;AAElD,SAASC,gBAAgB,QAAQ,wBAAuB;AA8BxD;;;;;;CAMC,GACD,OAAO,SAASC,oBAAoB,EAClCC,QAAQ,EACRC,WAAW,EAIZ;IACC,yBAAyB;IACzB,MAAMC,cAAcJ,iBAAiB;QACnCE;QACAC;IACF;IAEA,uBAAuB;IACvB,IAAIC,YAAYC,IAAI,KAAK,WAAW;QAClC,OAAO;YACLA,MAAM;YACNC,SAAS;gBACP,iBAAiB,CAAC,QAAQ,EAAEJ,UAAU;YACxC;YACAJ,QAAQC,WAAWQ,+BAA+B;QACpD;IACF;IAEA,+BAA+B;IAC/B,IAAIH,YAAYC,IAAI,KAAK,aAAaD,YAAYI,KAAK,EAAE;QACvD,MAAM,EAAEC,GAAG,EAAEC,KAAK,EAAE,GAAGN,YAAYI,KAAK;QACxC,MAAMG,gBAAgBF,MAAMC,QAAQ;QAEpC,OAAO;YACLL,MAAM;YACNC,SAAS;gBACP,iBAAiB;gBACjB,kBAAkBM,OAAOD;gBACzB,iBAAiB,CAAC,MAAM,EAAED,MAAM,CAAC,EAAED,IAAI,CAAC,EAAEP,UAAU;YACtD;YACAW,UAAUJ;YACVK,YAAYJ;YACZZ,QAAQC,WAAWgB,eAAe;QACpC;IACF;IAEA,iDAAiD;IACjD,OAAO;QACLV,MAAM;QACNC,SAAS;YACP,iBAAiB;YACjB,kBAAkBM,OAAOV;QAC3B;QACAJ,QAAQC,WAAWiB,EAAE;IACvB;AACF"} |