core: fix problem solution vote race condition (#861)

framework/eslint-config/package.json

@@ -5,8 +5,8 @@
     "main": "react.yaml",
     "dependencies": {
         "@stylistic/eslint-plugin": "^2.6.2",
-        "@typescript-eslint/eslint-plugin": "^8.0.1",
+        "@typescript-eslint/eslint-plugin": "^8.1.0",
-        "@typescript-eslint/parser": "^8.0.1",
+        "@typescript-eslint/parser": "^8.1.0",
         "eslint-config-airbnb": "^19.0.4",
         "eslint-plugin-github": "^5.0.1",
         "eslint-plugin-import": "2.29.1",

packages/center/index.ts

@@ -86,7 +86,7 @@ class DataReportHandler extends Handler {
         this.ctx.emit('center/report', this, installId, old, payload);
         // TODO deliver messages
         this.response.body = { code: 0 };
-        if (old.notification) this.response.body.notification = old?.notification;
+        if (old?.notification) this.response.body.notification = old?.notification;
     }
 }
 

packages/hydrooj/package.json

@@ -12,11 +12,11 @@
     },
     "preferUnplugged": true,
     "dependencies": {
-        "@aws-sdk/client-s3": "3.627.0",
+        "@aws-sdk/client-s3": "3.631.0",
-        "@aws-sdk/lib-storage": "3.627.0",
+        "@aws-sdk/lib-storage": "3.631.0",
-        "@aws-sdk/s3-presigned-post": "3.627.0",
+        "@aws-sdk/s3-presigned-post": "3.631.0",
-        "@aws-sdk/s3-request-presigner": "3.627.0",
+        "@aws-sdk/s3-request-presigner": "3.631.0",
-        "@graphql-tools/schema": "^10.0.4",
+        "@graphql-tools/schema": "^10.0.5",
         "@hydrooj/framework": "workspace:^",
         "@hydrooj/utils": "workspace:^",
         "@simplewebauthn/server": "9.0.3",

packages/hydrooj/src/model/document.ts

@@ -302,12 +302,18 @@ export function getMultiStatusWithoutDomain<K extends keyof DocStatusType>(
 }
 
 export async function setStatus<K extends keyof DocStatusType>(
-    domainId: string, docType: K, docId: DocStatusType[K]['docId'], uid: number, args: UpdateFilter<DocStatusType[K]>['$set'],
+    domainId: string, docType: K, docId: DocStatusType[K]['docId'], uid: number,
+    args: UpdateFilter<DocStatusType[K]>['$set'], returnDocument: 'before' | 'after' = 'after',
 ): Promise<DocStatusType[K]> {
     const res = await collStatus.findOneAndUpdate(
         { domainId, docType, docId, uid },
-        { $set: args },
+        { $set: args, $inc: { counter: 1 } },
-        { upsert: true, returnDocument: 'after' },
+        {
+            upsert: true,
+            returnDocument,
+            // if fetching document before update we want to ensure data was read from primary
+            ...(returnDocument === 'before' ? { readConcern: { level: 'majority' }, readPreference: 'primary' } : {}),
+        },
     );
     return res.value;
 }
@@ -321,41 +327,32 @@ export async function setMultiStatus<K extends keyof DocStatusType>(
     );
 }
 
+export async function setStatusIfNotCondition<T extends keyof DocStatusType>(
+    domainId: string, docType: T, docId: DocStatusType[T]['docId'], uid: number,
+    filter: Filter<DocStatusType[T]>, args: Partial<DocStatusType[T]> = {},
+    returnDocument: 'before' | 'after' = 'after',
+): Promise<DocStatusType[T]> {
+    try {
+        const res = await collStatus.findOneAndUpdate(
+            { domainId, docType, docId, uid, $nor: [filter] },
+            { $set: args },
+            { upsert: true, returnDocument },
+        );
+        return res.value;
+    } catch (e) {
+        return false;
+    }
+}
+
 export async function setIfNotStatus<T extends keyof DocStatusType, K extends keyof DocStatusType[T]>(
     domainId: string, docType: T, docId: DocStatusType[T]['docId'], uid: number,
     key: K, value: DocStatusType[T][K], ifNot: DocStatusType[T][K], args: Partial<DocStatusType[T]>,
+    returnDocument: 'before' | 'after' = 'after',
 ): Promise<DocStatusType[T]> {
-    const current: Partial<DocStatusType[T]> = await collStatus.findOne({ domainId, docType, docId, uid }) || {};
+    return await setStatusIfNotCondition(
-    if (typeof key === 'string' && key.includes('.')) {
+        domainId, docType, docId, uid, { [key]: ifNot } as any,
-        const acc = key.split('.');
+        { [key]: value, ...args }, returnDocument,
-        let c = current;
-        for (const i of acc) {
-            if (!(i in c)) break;
-            c = c[i];
-            if (c === null || c === undefined) break;
-        }
-        if (c === ifNot) return null;
-    } else if (current[key] === ifNot) return null;
-    const res = await collStatus.findOneAndUpdate(
-        { domainId, docType, docId, uid },
-        { $set: { [key]: value, ...args } },
-        { upsert: true, returnDocument: 'after' },
     );
-    return res.value;
-}
-
-export async function setStatusIfNotCondition<T extends keyof DocStatusType>(
-    domainId: string, docType: T, docId: DocStatusType[T]['docId'], uid: number,
-    filter: Filter<DocStatusType[T]>, args: Partial<DocStatusType[T]>,
-): Promise<DocStatusType[T]> {
-    const match = await collStatus.findOne({ domainId, docType, docId, uid, ...filter });
-    if (match) return null;
-    const res = await collStatus.findOneAndUpdate(
-        { domainId, docType, docId, uid },
-        { $set: args },
-        { upsert: true, returnDocument: 'after' },
-    );
-    return res.value;
 }
 
 export async function cappedIncStatus<T extends keyof DocStatusType>(

packages/hydrooj/src/model/solution.ts

@@ -70,12 +70,18 @@ class SolutionModel {
     }
 
     static async vote(domainId: string, psid: ObjectId, uid: number, value: number) {
-        let pssdoc = await document.getStatus(domainId, document.TYPE_PROBLEM_SOLUTION, psid, uid);
+        const before = await document.setStatus(
-        await document.setStatus(domainId, document.TYPE_PROBLEM_SOLUTION, psid, uid, { vote: value });
+            domainId, document.TYPE_PROBLEM_SOLUTION, psid, uid,
-        if (pssdoc) value += -pssdoc.vote;
+            { vote: value }, 'before',
-        const psdoc = await document.inc(domainId, document.TYPE_PROBLEM_SOLUTION, psid, 'vote', value);
+        );
-        pssdoc = await document.getStatus(domainId, document.TYPE_PROBLEM_SOLUTION, psid, uid);
+        let inc = value;
-        return [psdoc, pssdoc];
+        if (before?.vote) inc -= before.vote;
+        return [
+            inc
+                ? await document.inc(domainId, document.TYPE_PROBLEM_SOLUTION, psid, 'vote', inc)
+                : await document.get(domainId, document.TYPE_PROBLEM_SOLUTION, psid),
+            await document.getStatus(domainId, document.TYPE_PROBLEM_SOLUTION, psid, uid),
+        ];
     }
 
     static async getListStatus(domainId: string, psids: ObjectId[], uid: number) {

packages/ui-default/package.json

@@ -25,8 +25,8 @@
     "@fontsource/source-code-pro": "^5.0.18",
     "@fontsource/ubuntu-mono": "^5.0.20",
     "@hydrooj/utils": "workspace:^",
-    "@sentry/browser": "^8.25.0",
+    "@sentry/browser": "^8.26.0",
-    "@sentry/webpack-plugin": "^2.22.0",
+    "@sentry/webpack-plugin": "^2.22.2",
     "@simplewebauthn/browser": "9.0.1",
     "@svgr/webpack": "^8.1.0",
     "@types/gulp-if": "^0.0.34",
@@ -76,7 +76,7 @@
     "jquery.easing": "^1.4.1",
     "jquery.transit": "^0.9.12",
     "matchmedia-polyfill": "^0.3.2",
-    "md-editor-rt": "^4.18.0",
+    "md-editor-rt": "^4.18.1",
     "mini-css-extract-plugin": "^2.9.0",
     "moment": "^2.30.1",
     "monaco-editor": "0.50.0",
@@ -141,7 +141,7 @@
     "lodash": "^4.17.21",
     "markdown-it": "^14.1.0",
     "markdown-it-anchor": "^9.0.1",
-    "markdown-it-attrs": "^4.1.6",
+    "markdown-it-attrs": "^4.2.0",
     "markdown-it-footnote": "^4.0.0",
     "markdown-it-imsize": "^2.0.1",
     "markdown-it-mark": "^4.0.0",