Change ads provider, and add consent system for advertising (#155)

* Add GAM integration & base for GPDR consent

* Moved consent to a specific page.

* Added functionality to the privacy page, and desactivate tracking if consent is not given.

* Added GeoEdge support, and fixed auth issues

* Fix actions issue

* Fix actions issue, attempt 2

* Added a module for analytics with consent support.

* Remove unnecessary function

* Add support for runtime config

modules/analytics/lib/constants.js

@@ -0,0 +1,6 @@
+export const DEFAULT_OPTIONS = {
+    enabled: false,
+    script_url: 'https://example.com',
+    tracking_code: 'xxx'
+}
+export const UNAMI_LIB_TAG_ID = 'unami-import'

modules/analytics/lib/module.js

@@ -0,0 +1,22 @@
+import {
+    DEFAULT_OPTIONS,
+    UNAMI_LIB_TAG_ID
+} from './constants';
+
+const { resolve } = require('path');
+
+module.exports = async function module(moduleOptions) {
+    const options = Object.assign(DEFAULT_OPTIONS, this.options.analytics, moduleOptions);
+
+    const templatesOptions = {
+        ...options,
+        UNAMI_LIB_TAG_ID
+    };
+    
+    this.addPlugin({
+        src: resolve(__dirname, 'templates/plugin.js'),
+        fileName: 'analytics/plugin.js',
+        options: templatesOptions,
+    });
+};
+module.exports.meta = require('../package.json');

modules/analytics/lib/templates/plugin.js

@@ -0,0 +1,64 @@
+import Vue from 'vue';
+
+function isAnalyticsOn(ctx) {
+  let cookies = null
+  if (ctx.req != null) {
+    //Server side rendering
+    cookies = ctx.req.headers.cookie;
+  } else {
+    // Rely on the client
+    cookies = document.cookie;
+  }
+  let processed = {}
+  cookies.split(';').forEach((e) => {
+    let val = e.trim().split('=');
+    processed[val[0]] = decodeURI(val[1]);
+  })
+  let scopes = decodeURIComponent(processed['modrinth-scopes']).split(",");
+  return (scopes !== null && scopes.includes('analytics'));
+}
+
+export default async function (ctx, inject) {
+
+  const { app } = ctx;
+  const config = ctx.$config && ctx.$config.analytics || {};
+
+  const url = config.script_url ?? '<%= options.script_url %>';
+  const tag = config.tracking_code ?? '<%= options.tracking_code %>';
+  const enabled = config.enabled ?? <%= options.enabled  || false %>;
+  // Check if the parameters are not changed by runtime config:
+  
+
+
+  const UNAMI_LIB_TAG_ID = '<%= options.UNAMI_LIB_TAG_ID %>';
+
+
+  if (!enabled) {
+    console.log("Analytics are not enabled.")
+    return;
+  }
+
+  const injectScript = (script) => {
+    const scriptIndex = ctx.app.head.script.findIndex(s => s.hid === script.hid);
+    if (scriptIndex !== -1) {
+      ctx.app.head.script[scriptIndex] = script;
+    } else {
+      ctx.app.head.script.push(script);
+    }
+  };
+  if (isAnalyticsOn(ctx)) {
+    // Inject unami
+    const analyticsScript = {
+      hid: UNAMI_LIB_TAG_ID,
+      src: url,
+      'data-website-id': 'c37613de-245d-4767-90e7-ba7980a4f1a2',
+      async: true,
+      defer: true,
+    };
+    injectScript(analyticsScript);
+  } else {
+    // console.log("Analytics scope was denied.")
+  }
+
+}
+

modules/analytics/package.json

@@ -0,0 +1,31 @@
+{
+  "name": "@modrinth/analytics",
+  "version": "0.1.0",
+  "description": "Unami integration for Nuxtjs",
+  "license": "MIT",
+  "contributors": [
+    {
+      "name": "redblueflame <contact@redblueflame.com>"
+    }
+  ],
+  "main": "lib/module.js",
+  "repository": "https://github.com/modrinth/knossos/",
+  "homepage": "https://github.com/modrinth/knossos/tree/master/modules/analytics",
+  "files": [
+    "lib"
+  ],
+  "devDependencies": {
+    "codecov": "latest",
+    "eslint": "5.13.0",
+    "eslint-config-airbnb-base": "13.1.0",
+    "eslint-loader": "2.1.2",
+    "eslint-plugin-import": "2.16.0",
+    "eslint-plugin-jest": "22.3.0",
+    "eslint-plugin-vue": "5.2.1",
+    "jest": "24.1.0",
+    "jsdom": "14.0.0",
+    "nuxt": "2.4.3",
+    "request-promise-native": "1.0.5",
+    "standard-version": "latest"
+  }
+}