feat: Validate fetched data

Completes the experimental implementation of settings profiles.

Closes #106

packages/kitten-scientists/package.json

@@ -26,6 +26,7 @@
   "types": "./build/index.ts",
   "dependencies": {
     "@oliversalzburg/js-utils": "0.0.22",
+    "ajv": "8.12.0",
     "date-fns": "2.30.0",
     "semver": "7.5.4",
     "tslib": "2.6.2"

packages/kitten-scientists/source/UserScript.ts

@@ -238,10 +238,27 @@ export class UserScript {
     this.engine.imessage("settings.imported");
   }
 
+  /**
+   * Import settings from a URL.
+   * This is an experimental feature, and only allows using profiles from
+   * https://kitten-science.com/ at this time.
+   *
+   * @param url - The URL of the profile to load.
+   */
   async importSettingsFromUrl(url: string) {
     const importState = new State(url);
     const settings = await importState.resolve();
     settings.report.aggregate(console);
+
+    const stateIsValid = await importState.validate();
+    if (!stateIsValid) {
+      cerror("Imported state is invalid and not imported.");
+      return;
+    }
+
+    const state = importState.merge();
+    this.setSettings(state);
+    this.engine.imessage("settings.imported");
   }
 
   /**

packages/kitten-scientists/source/state/State.ts

@@ -1,4 +1,5 @@
-import { TreeNode } from "@oliversalzburg/js-utils";
+import { InvalidOperationError, TreeNode } from "@oliversalzburg/js-utils";
+import AjvModule, { SchemaObject } from "ajv";
 import { UserScript } from "../UserScript.js";
 import { StateLoader } from "./StateLoader.js";
 import { StateMerger } from "./StateMerger.js";
@@ -14,6 +15,12 @@ export class State extends TreeNode<State> {
 
   constructor(originUrl: string, parent?: State) {
     super(parent);
+    if (!originUrl.startsWith("https://kitten-science.com/")) {
+      throw new InvalidOperationError(
+        "While state import is experimental, you can only import from 'https://kitten-science.com/'!",
+      );
+    }
+
     this.originUrl = originUrl;
     this.loader = new StateLoader(this);
   }
@@ -23,6 +30,54 @@ export class State extends TreeNode<State> {
     return { loader: this.loader, report };
   }
 
+  async validate() {
+    const schemaBaselineRequest = await fetch(
+      "https://schema.kitten-science.com/working-draft/baseline/engine-state.schema.json",
+    );
+    const schemaProfileRequest = await fetch(
+      "https://schema.kitten-science.com/working-draft/settings-profile.schema.json",
+    );
+    const schemaBaseline = (await schemaBaselineRequest.json()) as SchemaObject;
+    const schemaProfile = (await schemaProfileRequest.json()) as SchemaObject;
+
+    // FIXME: https://github.com/ajv-validator/ajv/issues/2047
+    const Ajv = AjvModule.default;
+    const ajv = new Ajv({ allErrors: true, verbose: true });
+    const validateBaseline = ajv.compile(schemaBaseline);
+    const validateProfile = ajv.compile(schemaProfile);
+
+    const validateLoader = (loader: StateLoader) => {
+      const data = loader.data;
+      const isValidBaseline = validateBaseline(data);
+      const isValidProfile = validateProfile(data);
+      if (isValidProfile && !isValidBaseline) {
+        console.log(`VALID Profile: ${loader.state.originUrl})`);
+        return true;
+      }
+      if (isValidProfile && isValidBaseline) {
+        console.log(`VALID Baseline: ${loader.state.originUrl})`);
+        return true;
+      }
+      console.log(`INVALID: ${loader.state.originUrl})`);
+      return false;
+    };
+
+    const validateNode = (node: State) => {
+      let childrenValid = true;
+      if (0 < node.children.size) {
+        for (const child of node.children) {
+          const childValid = validateNode(child);
+          if (!childValid) {
+            childrenValid = false;
+          }
+        }
+      }
+      return validateLoader(node.loader) && childrenValid;
+    };
+
+    return validateNode(this);
+  }
+
   merge() {
     return new StateMerger(this).merge(UserScript.unknownAsEngineStateOrThrow({ v: "2.0.0" }));
   }

packages/kitten-scientists/source/state/StateLoader.ts

@@ -77,11 +77,10 @@ export class StateLoader extends TreeNode<StateLoader> {
       return this.report;
     }
 
-    // TODO: Validate again JSON schema.
     this.#data = data;
     const bases = await this.#resolveBases(this.#data, cache);
     if (bases.length === 0) {
-      this.report.log("🍁 Profile is a leaf node and should be a baseline!");
+      this.report.log("🍁 Profile is a leaf node.");
     } else {
       this.report.log("🌳 Profile is a tree node.");
     }

packages/kitten-scientists/source/state/StateMerger.ts

@@ -23,7 +23,7 @@ export class StateMerger {
 
     // Clean up merged state.
     (stateSubject as Record<string, string>).$schema =
-      "https://github.com/kitten-science/kitten-scientists/raw/main/schemas/draft-01/settings-profile.schema.json";
+      "https://schema.kitten-science.com/working-draft/settings-profile.schema.json";
     delete stateSubject.extends;
 
     return stateSubject;

schemas/.scripts/load-profile.js

@@ -10,6 +10,8 @@ const state = new State(
 const profile = await state.resolve();
 profile.report.aggregate(console);
 
+await state.validate();
+
 const engineState = state.merge();
 writeFileSync("load-profile.result.json", JSON.stringify(engineState, undefined, 2));
 console.info("Result written to 'load-profile.result.json'.");

yarn.lock

@@ -746,6 +746,7 @@ __metadata:
     "@types/jquery": "npm:3.5.29"
     "@types/semver": "npm:7.5.6"
     "@types/web": "npm:0.0.120"
+    ajv: "npm:8.12.0"
     date-fns: "npm:2.30.0"
     semver: "npm:7.5.4"
     tslib: "npm:2.6.2"
@@ -1295,7 +1296,16 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@types/node@npm:*, @types/node@npm:20.10.0":
+"@types/node@npm:*":
+  version: 20.9.4
+  resolution: "@types/node@npm:20.9.4"
+  dependencies:
+    undici-types: "npm:~5.26.4"
+  checksum: c8b48ace4c7e17715fa901201c98275f8e5268cf5895a8d149777eb0ec6c3ef6c831ff3917e92da5453a5dbe13f230caa50b348a0601b0d50eb9e628010c0364
+  languageName: node
+  linkType: hard
+
+"@types/node@npm:20.10.0":
   version: 20.10.0
   resolution: "@types/node@npm:20.10.0"
   dependencies:
@@ -1543,27 +1553,27 @@ __metadata:
   languageName: node
   linkType: hard
 
-"ajv@npm:^6.12.4":
-  version: 6.12.6
-  resolution: "ajv@npm:6.12.6"
+"ajv@npm:8.12.0, ajv@npm:^8.11.0":
+  version: 8.12.0
+  resolution: "ajv@npm:8.12.0"
   dependencies:
     fast-deep-equal: "npm:^3.1.1"
-    fast-json-stable-stringify: "npm:^2.0.0"
-    json-schema-traverse: "npm:^0.4.1"
+    json-schema-traverse: "npm:^1.0.0"
+    require-from-string: "npm:^2.0.2"
     uri-js: "npm:^4.2.2"
-  checksum: 41e23642cbe545889245b9d2a45854ebba51cda6c778ebced9649420d9205f2efb39cb43dbc41e358409223b1ea43303ae4839db682c848b891e4811da1a5a71
+  checksum: ac4f72adf727ee425e049bc9d8b31d4a57e1c90da8d28bcd23d60781b12fcd6fc3d68db5df16994c57b78b94eed7988f5a6b482fd376dc5b084125e20a0a622e
   languageName: node
   linkType: hard
 
-"ajv@npm:^8.11.0":
-  version: 8.12.0
-  resolution: "ajv@npm:8.12.0"
+"ajv@npm:^6.12.4":
+  version: 6.12.6
+  resolution: "ajv@npm:6.12.6"
   dependencies:
     fast-deep-equal: "npm:^3.1.1"
-    json-schema-traverse: "npm:^1.0.0"
-    require-from-string: "npm:^2.0.2"
+    fast-json-stable-stringify: "npm:^2.0.0"
+    json-schema-traverse: "npm:^0.4.1"
     uri-js: "npm:^4.2.2"
-  checksum: ac4f72adf727ee425e049bc9d8b31d4a57e1c90da8d28bcd23d60781b12fcd6fc3d68db5df16994c57b78b94eed7988f5a6b482fd376dc5b084125e20a0a622e
+  checksum: 41e23642cbe545889245b9d2a45854ebba51cda6c778ebced9649420d9205f2efb39cb43dbc41e358409223b1ea43303ae4839db682c848b891e4811da1a5a71
   languageName: node
   linkType: hard