61 lines
2.2 KiB
Markdown
61 lines
2.2 KiB
Markdown
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# Dump of libolm indexeddb cryptostore
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This directory contains, in `dump.json`, a dump of a real indexeddb store from a session using
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libolm crypto.
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The corresponding pickle key is `+1k2Ppd7HIisUY824v7JtV3/oEE4yX0TqtmNPyhaD7o`.
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This directory also contains, in `index.html` and `load.js`, a page which will populate indexeddb with the data
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(and the pickle key). This can be served via a Playwright [Route](https://playwright.dev/docs/api/class-route) so as to
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populate the indexeddb before the main application loads. Note that encrypting the pickle key requires the test User ID
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and Device ID, so they must be stored in `localstorage` before loading `index.html`.
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## Creation of the dump file
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The dump was created by pasting the following into the browser console:
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```javascript
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async function exportIndexedDb(name) {
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const db = await new Promise((resolve, reject) => {
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const dbReq = indexedDB.open(name);
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dbReq.onerror = reject;
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dbReq.onsuccess = () => resolve(dbReq.result);
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});
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const storeNames = db.objectStoreNames;
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const exports = {};
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for (const store of storeNames) {
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exports[store] = [];
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const txn = db.transaction(store, "readonly");
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const objectStore = txn.objectStore(store);
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await new Promise((resolve, reject) => {
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const cursorReq = objectStore.openCursor();
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cursorReq.onerror = reject;
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cursorReq.onsuccess = (event) => {
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const cursor = event.target.result;
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if (cursor) {
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const entry = { value: cursor.value };
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if (!objectStore.keyPath) {
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entry.key = cursor.key;
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}
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exports[store].push(entry);
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cursor.continue();
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} else {
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resolve();
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}
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};
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});
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}
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return exports;
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}
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window.saveAs(
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new Blob([JSON.stringify(await exportIndexedDb("matrix-js-sdk:crypto"), null, 2)], {
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type: "application/json;charset=utf-8",
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}),
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"dump.json",
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);
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```
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The pickle key is extracted via `mxMatrixClientPeg.get().crypto.olmDevice.pickleKey`.
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