core: add provideModule and injectUI API

packages/migrate/index.ts

@@ -0,0 +1,31 @@
+import { md5, sha1 } from '@hydrooj/utils/lib/utils';
+import { PluginContext } from 'hydrooj';
+import { apply as hustoj } from './scripts/hustoj';
+import { apply as syzoj } from './scripts/syzoj';
+import { apply as vijos } from './scripts/vijos';
+
+const RE_MD5 = /^[\da-f]{32}$/;
+
+export function apply(ctx: PluginContext) {
+    hustoj(ctx);
+    vijos(ctx);
+    syzoj(ctx);
+    ctx.provideModule('hash', 'hust', ($password, $saved) => {
+        $password = md5($password);
+        if (RE_MD5.test($saved)) return $password === $saved;
+        const $svd = Buffer.from($saved, 'base64').toString('hex');
+        const $salt = Buffer.from($svd.substr(40), 'hex').toString();
+        const $hash = Buffer.concat([
+            Buffer.from(sha1($password + $salt), 'hex'),
+            Buffer.from($salt),
+        ]).toString('base64');
+        if ($hash.trim() === $saved.trim()) return true;
+        return false;
+    });
+    ctx.provideModule('hash', 'vj2', (password, salt, { uname }) => {
+        const pmd5 = md5(password);
+        const mixedSha1 = sha1(md5(uname.toLowerCase() + pmd5) + salt + sha1(pmd5 + salt));
+        return `${Buffer.from(uname).toString('base64')}|${mixedSha1}`;
+    });
+    ctx.provideModule('hash', 'syzoj', (password: string) => md5(`${password}syzoj2_xxx`));
+}