Support for running proof check on client side

src/plugins/proofmode.ts

@@ -28,6 +28,20 @@ class ProofMode {
       const worker = await this.getProofcheckWorker();
       const res = await worker.checkFiles([file]);
       if (res && res.files && res.files.length == 1) {
+        delete res.files[0].data; // Don't need to hang on to the data!
+        return res.files[0];
+      }
+    } catch (error) {
+    }
+    return undefined;
+  }
+
+  async proofCheckSource(src: string): Promise<ProofCheckResult | undefined> {
+    try {
+      const worker = await this.getProofcheckWorker();
+      const res = await worker.checkURLs([src]);
+      if (res && res.files && res.files.length == 1) {
+        delete res.files[0].data; // Don't need to hang on to the data!
         return res.files[0];
       }
     } catch (error) {
@@ -35,4 +49,6 @@ class ProofMode {
     return undefined;
   }
 }
+
+
 export default new ProofMode();

src/plugins/proofmodeWorker.js

@@ -1,6 +1,6 @@
 import { Observable, Subject } from "threads/observable";
 import { expose } from "threads/worker";
-import { checkFiles } from "@guardianproject/proofmode";
+import { checkFiles, checkURLs } from "@guardianproject/proofmode";
 
 let subject = new Subject();
 
@@ -12,6 +12,9 @@ const check = {
   checkFiles: (files) => {
     return checkFiles(files, sendMessage);
   },
+  checkURLs: (urls) => {
+    return checkURLs(urls, sendMessage);
+  },
   values: () => {
     return Observable.from(subject);
   },