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Fix getHashFromUrl

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lifegpc
2024-06-06 16:00:38 +08:00
parent 5ab38375d4
commit b7df7ba8ff
2 changed files with 44 additions and 0 deletions
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16
utils.ts
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@@ -334,10 +334,26 @@ export function compareNum(num1: number | bigint, num2: number | bigint) {
} }
const HASH_PATTERN = /^\/h\/([0-9a-f]+)/; const HASH_PATTERN = /^\/h\/([0-9a-f]+)/;
const FHASH_PATTERN = /([0-9a-f]{40})-(\d+)-(\d+)-(\d+)-([^\/]+)/g;
export function getHashFromUrl(url: string | URL) { export function getHashFromUrl(url: string | URL) {
const u = typeof url === "string" ? new URL(url) : url; const u = typeof url === "string" ? new URL(url) : url;
const m = u.pathname.match(HASH_PATTERN); const m = u.pathname.match(HASH_PATTERN);
if (m) return m[1]; if (m) return m[1];
if (u.pathname.startsWith("/om/")) {
const ma = Array.from(u.pathname.matchAll(FHASH_PATTERN));
const comps = u.pathname.split("/");
if (ma.length && comps.length > 3) {
const width = comps[comps.length - 3];
if (width == "0") {
return ma[0][1];
}
for (const f of ma) {
if (f[3] == width) {
return f[1];
}
}
}
}
throw Error(`URL ${url} not contains hash info.`); throw Error(`URL ${url} not contains hash info.`);
} }

28
utils_test.ts
View File

@@ -9,6 +9,7 @@ import {
calFileSha1, calFileSha1,
compareNum, compareNum,
filterFilename, filterFilename,
getHashFromUrl,
map, map,
parseBigInt, parseBigInt,
promiseState, promiseState,
@@ -200,3 +201,30 @@ Deno.test("parseBigInt_test", () => {
assertEquals(parseBigInt("--9007199254740992"), NaN); assertEquals(parseBigInt("--9007199254740992"), NaN);
assertEquals(parseBigInt("--3"), NaN); assertEquals(parseBigInt("--3"), NaN);
}); });
Deno.test("getHashFromUrl_test", () => {
assertEquals(
getHashFromUrl(
"https://tgozcdr.gmhufzljgpgr.hath.network/h/5ad98a65fedb4bbe374200127bf59122d790b01a-561706-2400-3455-jpg/keystamp=1717653000-d7f10a5a37;fileindex=148307765;xres=2400/3.jpg",
),
"5ad98a65fedb4bbe374200127bf59122d790b01a",
);
assertEquals(
getHashFromUrl(
"https://shioxowwjqzzmcmcjtcc.hath.network/om/148307800/fdf168f74a048b4d8ac00fd8679ebd37495d4225-12779336-5709-4063-png/eda2e519f8a8d08af91c9e69aca958bad4287fc7-442362-2400-1708-jpg/2400/jxd25rgrogit4j1d6bp/13_14.jpg",
),
"eda2e519f8a8d08af91c9e69aca958bad4287fc7",
);
assertEquals(
getHashFromUrl(
"https://wodmrfmkcovmstjztpdj.hath.network/om/148307765/b17d7a49b90ec7f8e586dd9847d22027b0d56d6b-5720430-2822-4063-png/x/0/erpgfojcsyhu9v1d6b2/3.png",
),
"b17d7a49b90ec7f8e586dd9847d22027b0d56d6b",
);
assertEquals(
getHashFromUrl(
"https://asmrsqqftvbbqqaocggo.hath.network/om/98603353/1f48eb617ea10c4b48ef0485d43f339985119d7f-13101261-4893-3446-png/4038f0c078b59736aeaa5b1ce38a44b701238363-330283-2400-1690-jpg/2400/g101vh47s3q5al1d6ax/18.jpg",
),
"4038f0c078b59736aeaa5b1ce38a44b701238363",
);
});