63 lines
2.9 KiB
JavaScript
63 lines
2.9 KiB
JavaScript
// SvxPortal — web front-end for SvxReflector
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// Copyright (C) 2026 SA7AUX (Björn)
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// SPDX-License-Identifier: AGPL-3.0-or-later
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//
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// This program is free software: you can redistribute it and/or modify it under
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// the terms of the GNU Affero General Public License as published by the Free
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// Software Foundation, either version 3 of the License, or (at your option) any
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// later version. See the LICENSE file for details.
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// api.js — shared HTTP helpers for every web (dmr-web, svx-web, svxlink-web).
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// Canonical copy: <dmr-portal>/lib/api.js; other repos carry a COPY.
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//
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// apiFetch(url, {method, body, form, csrf, headers, quiet}) → {ok, status, json}
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// apiGet(url, opts) → json | null GET, cache: no-store
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// apiJson(url, body, opts) → json | null POST application/json (always POST, CSRF from window._csrfToken)
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// apiForm(url, fields, opts) → json | null POST x-www-form-urlencoded
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//
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// Every call is same-origin, never cached, and returns null (or json:null)
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// when the response is not JSON, so callers test `j && j.ok`. A response
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// carrying persist_error (a save that reached Redis but not callmgr.json) is
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// surfaced with an alert unless opts.quiet — no save path can hide it.
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(function () {
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'use strict';
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async function apiFetch(url, opts) {
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opts = opts || {};
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const init = {
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method: opts.method || (opts.body !== undefined ? 'POST' : 'GET'),
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cache: 'no-store',
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credentials: opts.credentials || 'same-origin',
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headers: Object.assign({}, opts.headers || {}),
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};
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if (opts.body !== undefined) {
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if (opts.form) {
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init.headers['Content-Type'] = 'application/x-www-form-urlencoded';
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init.body = new URLSearchParams(opts.body);
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} else {
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init.headers['Content-Type'] = 'application/json';
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init.body = JSON.stringify(opts.body);
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}
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}
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const csrf = opts.csrf !== undefined ? opts.csrf : (window._csrfToken || '');
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if (csrf) init.headers['X-CSRF-Token'] = csrf;
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let r;
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try { r = await fetch(url, init); }
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catch (e) { return { ok: false, status: 0, json: null, error: String(e) }; }
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const json = await r.json().catch(function () { return null; });
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if (json && json.ok && json.persist_error && !opts.quiet) {
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alert('Saved to Redis but NOT persisted to callmgr.json: ' + json.persist_error +
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'\n\nThe change reverts on the next restart.');
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}
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return { ok: r.ok, status: r.status, json: json };
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}
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async function apiGet(url, opts) { return (await apiFetch(url, opts)).json; }
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async function apiJson(url, body, opts) { return (await apiFetch(url, Object.assign({ method: 'POST', body: body }, opts || {}))).json; }
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async function apiForm(url, fields, opts) { return (await apiFetch(url, Object.assign({ body: fields, form: true }, opts || {}))).json; }
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window.apiFetch = apiFetch;
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window.apiGet = apiGet;
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window.apiJson = apiJson;
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window.apiForm = apiForm;
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})();
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