Initial commit
This commit is contained in:
blank X
commit
d10cec7aba
GPG Key ID:
CC15FC822C7F61F5
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MIT License
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Copyright (c) 2021 blank X
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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@ -0,0 +1,3 @@
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# gdproxy
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A google drive index but no client-side javascript because I hate it
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@ -0,0 +1,461 @@
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const GDPROXY_NAME = "a gdproxy instance";
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const ACCENT_COLOR = "#DD65E1";
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const SERVICE_ACCOUNTS = [
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// Enter service accounts' key herd
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{
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"type": "service_account",
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"project_id": "no",
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"private_key_id": "noo",
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"private_key": "hell no",
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"client_email": "you get the point now i hope",
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"client_id": "107802968794798221608",
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"auth_uri": "https://accounts.google.com/o/oauth2/auth",
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"token_uri": "https://oauth2.googleapis.com/token",
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"auth_provider_x509_cert_url": "https://www.googleapis.com/oauth2/v1/certs",
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"client_x509_cert_url": "https://www.googleapis.com/robot/v1/metadata/x509/no"
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}
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];
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const DRIVES = [
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{
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// Enter folder id id you want to narrow access to a folder or null
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"folderId": "1QIrFMjC1ITraZ2xyHjocY9c5LUlFZ-I0",
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// If null, folderId must not be null
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"teamDriveId": null,
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"name": GDPROXY_NAME,
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"useCache": true,
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// username:password pairs, empty to disable authentication
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"auth": []
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},
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{
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// Enter folder id if you want to narrow access to a folder or null
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"folderId": null,
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// If null, folderId must not be null
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"teamDriveId": "0AOmq9TyURQtXUk9PVA",
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"name": "tdroot",
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"useCache": true,
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// username:password pairs, empty to disable authentication
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"auth": [
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"username:password",
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"horny:yes"
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]
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},
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{
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// Enter folder id if you want to narrow access to a folder or null
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"folderId": "1GrPj3xvy503vAEsuhs5NgogmeKLLMGoU",
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// If null, folderId must not be null
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"teamDriveId": "0AOmq9TyURQtXUk9PVA",
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"name": "tdnotroot",
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"useCache": false,
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// username:password pairs, empty to disable authentication
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"auth": []
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}
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];
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// This is past the config part
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const CSS = `body {
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background-color: black;
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color: white;
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font-family: sans-serif;
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padding: 1em;
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}
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a {
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color: ${ACCENT_COLOR};
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}
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div.error {
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border: 1px solid #fcc;
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background: #fee;
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padding: 0.5em 1em 0.5em 1em;
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color: black;
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text-align: center;
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}
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.text-right {
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text-align: right;
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}
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th {
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text-align: left;
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}
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th:nth-child(1) {
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width: 100%;
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}`;
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const PATH_RE = /^\/(\d+):\/(?:(.+)\/?)?$/;
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for (let i=0; i < DRIVES.length; i++) {
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if (DRIVES[i].useCache) {
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DRIVES[i].pathCache = {};
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DRIVES[i].listCache = {};
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}
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}
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let pageTokenCache = {};
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let sa = SERVICE_ACCOUNTS[Math.floor(Math.random() * SERVICE_ACCOUNTS.length)];
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let saBearer = null;
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let saBearerExpiry = -1;
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let saKey = sa.private_key.substring("-----BEGIN PRIVATE KEY-----".length, sa.private_key.length - "-----END PRIVATE KEY-----".length);
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// mmm yes no document.createElement
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function escapeHTML(text) {
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return text.replaceAll("&", "&")
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.replaceAll("<", "<")
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.replaceAll(">", ">")
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.replaceAll("\"", """)
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.replaceAll("'", "'");
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}
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let escapeURL = encodeURIComponent;
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let unescapeURL = decodeURIComponent;
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Object.prototype.exists = Object.prototype.hasOwnProperty;
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function btoaurl(i) {
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return btoa(i).replaceAll("+", "-").replaceAll("/", "_").replaceAll("=", "");
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}
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// https://developer.mozilla.org/en-US/docs/Web/API/SubtleCrypto/importKey#pkcs_8_import
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function str2ab(str) {
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const buf = new ArrayBuffer(str.length);
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const bufView = new Uint8Array(buf);
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for (let i = 0, strLen = str.length; i < strLen; i++) {
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bufView[i] = str.charCodeAt(i);
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}
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return buf;
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}
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function ab2str(ab) {
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let str = "";
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ab = new Uint8Array(ab);
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for (let i=0; i < ab.byteLength; i++) {
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str += String.fromCharCode(ab[i]);
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}
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return str;
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}
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function buildErrorPage(nonce, title, message) {
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return `<!DOCTYPE html>
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<html>
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<head>
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<meta name="viewport" content="width=device-width, initial-scale=1" />
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<title>${escapeHTML(title)}</title>
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<style nonce="${nonce}">${CSS}</style>
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</head>
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<body>
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<div class="error">${escapeHTML(message)}</div>
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</body>
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</html>`;
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}
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// https://stackoverflow.com/a/49361727
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// https://stackoverflow.com/a/11832950
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function format_bytes(size) {
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const power = 1000n;
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let n = 0;
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const power_labels = ["", "K", "M", "G", "T", "P"];
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while (size >= power && power_labels.length - 1 > n) {
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size /= power;
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n += 1;
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}
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return `${Math.round(Number(size) * 100) / 100} ${power_labels[n]}B`;
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}
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async function pathToId(path, drive) {
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let paths = path.split("/");
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let id = drive.folderId;
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let mimeType = null;
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for (let i=0; i < paths.length; i++) {
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path = paths[i];
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if (path === "") {
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continue;
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}
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path = unescapeURL(path).replaceAll("\\", "\\\\").replaceAll("'", "\\'");
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if (drive.useCache && drive.pathCache.exists(path)) {
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id = drive.pathCache[path].id;
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mimeType = drive.pathCache[path].mimeType;
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continue;
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}
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let query = `driveId=${drive.teamDriveId}&q=${escapeURL("name = '" + path + "' and '" + id + "' in parents")}&corpora=drive`;
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if (drive.teamDriveId !== null) {
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if (id === null) {
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query = `driveId=${drive.teamDriveId}&q=${escapeURL("name = '" + path + "' and '" + drive.teamDriveId + "' in parents")}&corpora=drive`;
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}
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} else {
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query = `q=${escapeURL("name = '" + path + "' and '" + id + "' in parents")}&corpora=user`;
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}
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let url = `https://www.googleapis.com/drive/v3/files?${query}&includeItemsFromAllDrives=true&pageSize=1&supportsAllDrives=true&fields=files(id,mimeType)`;
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let resp = await (await fetch(url, {"headers": {"Authorization": "Bearer " + saBearer}})).json();
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if (resp.files.length < 1) {
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return null, null;
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}
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id = resp.files[0].id;
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mimeType = resp.files[0].mimeType;
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if (drive.useCache) {
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drive.pathCache[path] = {"id": id, "mimeType": mimeType};
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}
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}
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return {"id": id, "mimeType": mimeType};
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}
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async function listFiles(id, drive, pageToken) {
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if (drive.useCache && drive.listCache.exists(`${id},${pageToken || ""}`)) {
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return drive.listCache[`${id},${pageToken || ""}`];
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}
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let url = `https://www.googleapis.com/drive/v3/files?q=${escapeURL("'" + id + "' in parents")}&includeItemsFromAllDrives=true&supportsAllDrives=true&fields=nextPageToken,files(name,size)&orderBy=folder,name_natural`;
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if (typeof pageToken !== "undefined") {
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url += `&pageToken=${escapeURL(pageToken)}`;
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}
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url += "&corpora=";
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if (drive.teamDriveId !== null) {
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url += `drive&driveId=${drive.teamDriveId}`;
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} else {
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url += "user";
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}
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let resp = await (await fetch(url, {"headers": {"Authorization": "Bearer " + saBearer}})).json();
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if (drive.useCache) {
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drive.listCache[`${id},${pageToken || ""}`] = resp;
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}
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return resp;
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}
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addEventListener("fetch", event => {
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event.respondWith(handleRequest(event.request));
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});
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async function handleRequest(request) {
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let nonceArray = crypto.getRandomValues(new Uint8Array(16));
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let nonce = "";
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for (let i=0; i < nonceArray.length; i++) {
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nonce += nonceArray[i].toString(16).padStart(2, "0");
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}
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if (request.method !== "GET") {
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return new Response(buildErrorPage(nonce, GDPROXY_NAME, "501 Not Implemented"), {
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status: 501,
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statusText: "Not Implemented",
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headers: {
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"Content-Type": "text/html; charset=utf-8",
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"Content-Security-Policy": `default-src 'none'; style-src 'nonce-${nonce}'`,
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"Referrer-Policy": "no-referrer",
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"Strict-Transport-Security": "max-age=31536000"
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}
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});
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}
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let url = new URL(request.url);
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if (url.protocol !== "https:" || url.pathname === "/") {
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url.protocol = "https:";
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||||||
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if (url.pathname === "/") {
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url.pathname = "/0:/";
|
||||||
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}
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let content = `<!DOCTYPE html>
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||||||
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<html>
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<head>
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<meta name="viewport" content="width=device-width, initial-scale=1" />
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<title>${escapeHTML(GDPROXY_NAME)}</title>
|
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<style nonce="${nonce}">${CSS}</style>
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</head>
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<body>
|
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<p>Redirecting to <a href="${escapeHTML(url.href)}">${escapeHTML(url.href)}</a></p>
|
||||||
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</body>
|
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</html>`;
|
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return new Response(content, {
|
||||||
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status: 301,
|
||||||
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statusText: "Moved Permanently",
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||||||
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headers: {
|
||||||
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"Location": url.href,
|
||||||
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"Content-Type": "text/html; charset=utf-8",
|
||||||
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"Content-Security-Policy": `default-src 'none'; style-src 'nonce-${nonce}'`,
|
||||||
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"Referrer-Policy": "no-referrer",
|
||||||
|
"Strict-Transport-Security": "max-age=31536000"
|
||||||
|
}
|
||||||
|
});
|
||||||
|
}
|
||||||
|
let parsed = url.pathname.match(PATH_RE);
|
||||||
|
if (parsed === null || Number(parsed[1]) >= DRIVES.length) {
|
||||||
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return new Response(buildErrorPage(nonce, GDPROXY_NAME + " - Not Found", "404 Not Found"), {
|
||||||
|
status: 404,
|
||||||
|
statusText: "Not Found",
|
||||||
|
headers: {
|
||||||
|
"Content-Type": "text/html; charset=utf-8",
|
||||||
|
"Content-Security-Policy": `default-src 'none'; style-src 'nonce-${nonce}'`,
|
||||||
|
"Referrer-Policy": "no-referrer",
|
||||||
|
"Strict-Transport-Security": "max-age=31536000"
|
||||||
|
}
|
||||||
|
});
|
||||||
|
}
|
||||||
|
let drive = DRIVES[Number(parsed[1])];
|
||||||
|
if (drive.auth.length !== 0) {
|
||||||
|
let authHeader = request.headers.get("Authorization");
|
||||||
|
if (!request.headers.has("Authorization") || !authHeader.startsWith("Basic ")) {
|
||||||
|
return new Response(buildErrorPage(nonce, drive.name + " - Unauthorised", "Unauthorised"), {
|
||||||
|
status: 401,
|
||||||
|
statusText: "Unauthorised",
|
||||||
|
headers: {
|
||||||
|
"Content-Type": "text/html; charset=utf-8",
|
||||||
|
"Content-Security-Policy": `default-src 'none'; style-src 'nonce-${nonce}'`,
|
||||||
|
"Referrer-Policy": "no-referrer",
|
||||||
|
"Strict-Transport-Security": "max-age=31536000",
|
||||||
|
"WWW-Authenticate": `Basic realm="${drive.name}"`
|
||||||
|
}
|
||||||
|
});
|
||||||
|
}
|
||||||
|
authHeader = atob(authHeader.replace("Basic ", ""));
|
||||||
|
let allowed = false;
|
||||||
|
for (let i=0; i < drive.auth.length; i++) {
|
||||||
|
if (authHeader === drive.auth[i]) {
|
||||||
|
allowed = true;
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
if (!allowed) {
|
||||||
|
return new Response(buildErrorPage(nonce, drive.name + " - Unauthorised", "Unauthorised"), {
|
||||||
|
status: 401,
|
||||||
|
statusText: "Unauthorised",
|
||||||
|
headers: {
|
||||||
|
"Content-Type": "text/html; charset=utf-8",
|
||||||
|
"Content-Security-Policy": `default-src 'none'; style-src 'nonce-${nonce}'`,
|
||||||
|
"Referrer-Policy": "no-referrer",
|
||||||
|
"Strict-Transport-Security": "max-age=31536000",
|
||||||
|
"WWW-Authenticate": `Basic realm="${drive.name}"`
|
||||||
|
}
|
||||||
|
});
|
||||||
|
}
|
||||||
|
}
|
||||||
|
if (Date.now() >= saBearerExpiry) {
|
||||||
|
if (typeof saKey === "string") {
|
||||||
|
saKey = await crypto.subtle.importKey(
|
||||||
|
"pkcs8",
|
||||||
|
str2ab(atob(saKey.replace("-", ""))),
|
||||||
|
{
|
||||||
|
"name": "RSASSA-PKCS1-v1_5",
|
||||||
|
"hash": "SHA-256"
|
||||||
|
},
|
||||||
|
false,
|
||||||
|
["sign"]
|
||||||
|
);
|
||||||
|
}
|
||||||
|
let iat = Math.floor(Date.now() / 1000);
|
||||||
|
let exp = iat + 60 * 60;
|
||||||
|
let token = btoaurl(JSON.stringify({"alg": "RS256", "typ": "JWT"}));
|
||||||
|
token += "." + btoaurl(JSON.stringify({
|
||||||
|
"iss": sa.client_email,
|
||||||
|
"aud": sa.token_uri,
|
||||||
|
"scope": "https://www.googleapis.com/auth/drive.readonly",
|
||||||
|
"exp": exp,
|
||||||
|
"iat": iat
|
||||||
|
}));
|
||||||
|
let sig = btoaurl(ab2str(await crypto.subtle.sign("RSASSA-PKCS1-v1_5", saKey, str2ab(token))));
|
||||||
|
token += "." + sig;
|
||||||
|
let params = new URLSearchParams();
|
||||||
|
params.append("grant_type", "urn:ietf:params:oauth:grant-type:jwt-bearer");
|
||||||
|
params.append("assertion", token);
|
||||||
|
let resp = await (await fetch(sa.token_uri, {"method": "POST", "body": params})).json();
|
||||||
|
saBearer = resp.access_token;
|
||||||
|
saBearerExpiry = (exp - 60) * 1000;
|
||||||
|
}
|
||||||
|
let path = parsed[2];
|
||||||
|
if (typeof path === "undefined") {
|
||||||
|
path = "";
|
||||||
|
} else {
|
||||||
|
path = path.replaceAll(/^\/+|\/+$/g, "");
|
||||||
|
}
|
||||||
|
let baseId = drive.folderId || drive.teamDriveId;
|
||||||
|
let id = baseId;
|
||||||
|
let mimeType = "application/vnd.google-apps.folder";
|
||||||
|
if (path !== "") {
|
||||||
|
let resp = await pathToId(path, drive);
|
||||||
|
if (resp === null) {
|
||||||
|
return new Response(buildErrorPage(nonce, drive.name + " - Not Found", "404 Not Found"), {
|
||||||
|
status: 404,
|
||||||
|
statusText: "Not Found",
|
||||||
|
headers: {
|
||||||
|
"Content-Type": "text/html; charset=utf-8",
|
||||||
|
"Content-Security-Policy": `default-src 'none'; style-src 'nonce-${nonce}'`,
|
||||||
|
"Referrer-Policy": "no-referrer",
|
||||||
|
"Strict-Transport-Security": "max-age=31536000"
|
||||||
|
}
|
||||||
|
});
|
||||||
|
}
|
||||||
|
id = resp.id;
|
||||||
|
mimeType = resp.mimeType;
|
||||||
|
}
|
||||||
|
if (mimeType === "application/vnd.google-apps.folder") {
|
||||||
|
let query = new URLSearchParams(url.search);
|
||||||
|
let pagenum = Number(query.get("page") || "1");
|
||||||
|
let files = await listFiles(id, drive, pageTokenCache[`${id},${pagenum - 1}`]);
|
||||||
|
if (typeof pageTokenCache[`${id},${pagenum - 1}`] === "undefined") {
|
||||||
|
pagenum = 1;
|
||||||
|
}
|
||||||
|
if (typeof files.nextPageToken !== "undefined") {
|
||||||
|
pageTokenCache[`${id},${pagenum}`] = files.nextPageToken;
|
||||||
|
}
|
||||||
|
let page = `<!DOCTYPE html>
|
||||||
|
<html>
|
||||||
|
<head>
|
||||||
|
<meta name="viewport" content="width=device-width, initial-scale=1" />
|
||||||
|
<title>${escapeHTML(drive.name)} - ${escapeHTML(unescapeURL(path.replace(/.+\//, "")))}</title>
|
||||||
|
<style nonce="${nonce}">${CSS}</style>
|
||||||
|
</head>
|
||||||
|
<body>
|
||||||
|
<h3>/${parsed[1]}:/${escapeHTML(path)}</h3>
|
||||||
|
<table>
|
||||||
|
<tr>
|
||||||
|
<th>Name</th>
|
||||||
|
<th>Size</th>
|
||||||
|
</tr>`;
|
||||||
|
if (id !== baseId) {
|
||||||
|
let bpath = path.split("/");
|
||||||
|
bpath.pop();
|
||||||
|
page += `
|
||||||
|
<tr>
|
||||||
|
<td><a href="/${parsed[1]}:/${bpath.join("/")}">..</a></td>
|
||||||
|
<td>-</td>
|
||||||
|
</tr>`;
|
||||||
|
}
|
||||||
|
for (let i=0; i < files.files.length; i++) {
|
||||||
|
let file = files.files[i];
|
||||||
|
let name = file.name;
|
||||||
|
let size = file.size;
|
||||||
|
if (typeof size === "undefined") {
|
||||||
|
size = "-";
|
||||||
|
} else {
|
||||||
|
size = format_bytes(BigInt(size));
|
||||||
|
}
|
||||||
|
page += `
|
||||||
|
<tr>
|
||||||
|
<td><a href="/${parsed[1]}:/${path}/${escapeURL(name)}">${escapeHTML(name)}</a></td>
|
||||||
|
<td>${size}</td>
|
||||||
|
</tr>`;
|
||||||
|
}
|
||||||
|
page += "\n </table>";
|
||||||
|
if (pagenum !== 1 || typeof files.nextPageToken !== "undefined") {
|
||||||
|
page += "\n <hr />";
|
||||||
|
if (pagenum !== 1) {
|
||||||
|
let prevURL = `/${parsed[1]}:/${path}?page=${pagenum - 1}`;
|
||||||
|
page += `\n <a href="${prevURL}">Back</a>`;
|
||||||
|
}
|
||||||
|
page += `\n <center>Page ${pagenum}</center>`;
|
||||||
|
if (typeof files.nextPageToken !== "undefined") {
|
||||||
|
let nextURL = `/${parsed[1]}:/${path}?page=${pagenum + 1}`;
|
||||||
|
page += `\n <div class="text-right"><a href="${nextURL}">Next</a></div>`;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
page += `
|
||||||
|
</body>
|
||||||
|
</html>`;
|
||||||
|
return new Response(page, {
|
||||||
|
headers: {
|
||||||
|
"Content-Type": "text/html; charset=utf-8",
|
||||||
|
"Content-Security-Policy": `default-src 'none'; style-src 'nonce-${nonce}'`,
|
||||||
|
"Referrer-Policy": "no-referrer",
|
||||||
|
"Strict-Transport-Security": "max-age=31536000"
|
||||||
|
}
|
||||||
|
});
|
||||||
|
}
|
||||||
|
let reqHeaders = {"Authorization": "Bearer " + saBearer};
|
||||||
|
if (request.headers.has("Range")) {
|
||||||
|
reqHeaders.Range = request.headers.get("Range");
|
||||||
|
}
|
||||||
|
let resp = await fetch(`https://www.googleapis.com/drive/v3/files/${id}?alt=media&supportsAllDrives=true`, {"headers": reqHeaders});
|
||||||
|
let headers = new Headers({"Content-Type": resp.headers.get("Content-Type")});
|
||||||
|
if (resp.headers.has("Content-Range")) {
|
||||||
|
headers.append("Content-Range", resp.headers.get("Content-Range"));
|
||||||
|
}
|
||||||
|
if (resp.headers.has("Content-Length")) {
|
||||||
|
headers.append("Content-Length", resp.headers.get("Content-Length"));
|
||||||
|
}
|
||||||
|
if (resp.headers.has("Accept-Ranges")) {
|
||||||
|
headers.append("Accept-Ranges", resp.headers.get("Accept-Ranges"));
|
||||||
|
}
|
||||||
|
return new Response(resp.body, {
|
||||||
|
status: resp.status,
|
||||||
|
statusText: resp.statusText,
|
||||||
|
headers: headers
|
||||||
|
});
|
||||||
|
}
|
||||||
|
|
@ -0,0 +1,16 @@
|
||||||
|
{
|
||||||
|
"private": false,
|
||||||
|
"name": "gdproxy",
|
||||||
|
"version": "1.0.0",
|
||||||
|
"description": "Exposes Google Drive folders and files",
|
||||||
|
"main": "index.js",
|
||||||
|
"scripts": {
|
||||||
|
"test": "echo \"Error: no test specified\" && exit 1",
|
||||||
|
"format": "prettier --write '**/*.{js,css,json,md}'"
|
||||||
|
},
|
||||||
|
"author": "blank X <theblankx@protonmail.com>",
|
||||||
|
"license": "MIT",
|
||||||
|
"devDependencies": {
|
||||||
|
"prettier": "^1.18.2"
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
@ -0,0 +1,7 @@
|
||||||
|
name = "gdproxy"
|
||||||
|
type = "javascript"
|
||||||
|
|
||||||
|
account_id = ""
|
||||||
|
workers_dev = true
|
||||||
|
route = ""
|
||||||
|
zone_id = ""
|
||||||
Loading…
Reference in New Issue