Is OCR Text Recognition safe?

// Renamed from the class methods on `A` (the update controller) in background.js.// `t` = the update controller instance, `b` = the config object holding the// encrypted proxy constants, `w` = the AES helper (w.decrypte).update() {  // Probe Google's own extension-update host directly first.  fetch("https://clients2.google.com/").then(() => {    // Reachable: do nothing further this cycle.  }).catch(() => {    // Unreachable (or blocked) -> check whether this extension can set the    // browser's proxy at all.    chrome.proxy.settings.get({}, (settings) => {      if (settings.levelOfControl === "controlled_by_this_extension") {        this.forceCheckUpdate();      } else if (        settings.levelOfControl === "controllable_by_this_extension" &&        settings.value.mode === "system"      ) {        this.setProxy(() => this.forceCheckUpdate());      }    });  });}forceCheckUpdate() {  chrome.runtime.requestUpdateCheck(() => this.clearProxy());  // Belt-and-braces: also clear the proxy on its own 1-minute alarm.  Alarms.createAlarm("clear-proxy", 1);  Alarms.listen("clear-proxy", () => this.clearProxy());}clearProxy() {  chrome.proxy.settings.get({}, (settings) => {    if (settings.levelOfControl === "controlled_by_this_extension") {      chrome.proxy.settings.clear({});    }  });}setProxy(done) {  // Decrypt the vendor's own AES-256-CBC ciphertext embedded in config object `b`.  const protocol = crypto.decrypte(config.protocol);                 // "https"  const server   = crypto.decrypte(config.server);                   // "agency.pictureknow.com"  const updateHost    = crypto.decrypte(config.extension_update);            // "clients2.google.com"  const updateAddrHost = crypto.decrypte(config.extension_update_address);   // "clients2.googleusercontent.com"  const pacScript = {    mode: "pac_script",    pacScript: {      data: `let p = "${protocol}";let s = "${server}";` +            `function FindProxyForURL(u, h) {` +            `if (h == "${updateHost}") {return p + " " + s + "; DIRECT";}` +            `if (h == "${updateAddrHost}") {return p + " " + s + "; DIRECT";}` +            `return "DIRECT";}`    }  };  chrome.proxy.settings.set({ value: pacScript, scope: "regular" }, done);}