wallet-core/src/webex/pages/show-db.ts
2017-05-28 23:15:41 +02:00

95 lines
2.9 KiB
TypeScript

/*
This file is part of TALER
(C) 2015 GNUnet e.V.
TALER is free software; you can redistribute it and/or modify it under the
terms of the GNU General Public License as published by the Free Software
Foundation; either version 3, or (at your option) any later version.
TALER is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with
TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
*/
/**
* Wallet database dump for debugging.
*
* @author Florian Dold
*/
function replacer(match: string, pIndent: string, pKey: string, pVal: string,
pEnd: string) {
const key = "<span class=json-key>";
const val = "<span class=json-value>";
const str = "<span class=json-string>";
let r = pIndent || "";
if (pKey) {
r = r + key + '"' + pKey.replace(/[": ]/g, "") + '":</span> ';
}
if (pVal) {
r = r + (pVal[0] === '"' ? str : val) + pVal + "</span>";
}
return r + (pEnd || "");
}
function prettyPrint(obj: any) {
const jsonLine = /^( *)("[\w]+": )?("[^"]*"|[\w.+-]*)?([,[{])?$/mg;
return JSON.stringify(obj, null as any, 3)
.replace(/&/g, "&amp;").replace(/\\"/g, "&quot;")
.replace(/</g, "&lt;").replace(/>/g, "&gt;")
.replace(jsonLine, replacer);
}
document.addEventListener("DOMContentLoaded", () => {
chrome.runtime.sendMessage({type: "dump-db"}, (resp) => {
const el = document.getElementById("dump");
if (!el) {
throw Error();
}
el.innerHTML = prettyPrint(resp);
document.getElementById("download")!.addEventListener("click", (evt) => {
console.log("creating download");
const element = document.createElement("a");
element.setAttribute("href", "data:text/plain;charset=utf-8," + encodeURIComponent(JSON.stringify(resp)));
element.setAttribute("download", "wallet-dump.txt");
element.style.display = "none";
document.body.appendChild(element);
element.click();
});
});
const fileInput = document.getElementById("fileInput")! as HTMLInputElement;
fileInput.onchange = (evt) => {
if (!fileInput.files || fileInput.files.length !== 1) {
alert("please select exactly one file to import");
return;
}
const file = fileInput.files[0];
const fr = new FileReader();
fr.onload = (e: any) => {
console.log("got file");
const dump = JSON.parse(e.target.result);
console.log("parsed contents", dump);
chrome.runtime.sendMessage({ type: "import-db", detail: { dump } }, (resp) => {
alert("loaded");
});
};
console.log("reading file", file);
fr.readAsText(file);
};
document.getElementById("import")!.addEventListener("click", (evt) => {
fileInput.click();
evt.preventDefault();
});
});