@hsaadawy/ngx-chat
Version:
86 lines • 13.4 kB
JavaScript
import { __awaiter } from "tslib";
import { xml } from '@xmpp/client';
import { BehaviorSubject } from 'rxjs';
import { AbstractXmppPlugin } from './abstract-xmpp-plugin';
/**
* XEP-0191: Blocking Command
* https://xmpp.org/extensions/xep-0191.html
*/
export class BlockPlugin extends AbstractXmppPlugin {
constructor(xmppChatAdapter, serviceDiscoveryPlugin) {
super();
this.xmppChatAdapter = xmppChatAdapter;
this.serviceDiscoveryPlugin = serviceDiscoveryPlugin;
this.supportsBlock$ = new BehaviorSubject('unknown');
}
onBeforeOnline() {
return __awaiter(this, void 0, void 0, function* () {
const supportsBlock = yield this.determineSupportForBlock();
this.supportsBlock$.next(supportsBlock);
if (supportsBlock) {
yield this.requestBlockedJids();
}
});
}
determineSupportForBlock() {
return __awaiter(this, void 0, void 0, function* () {
try {
return yield this.serviceDiscoveryPlugin.supportsFeature(this.xmppChatAdapter.chatConnectionService.userJid.domain, 'urn:xmpp:blocking');
}
catch (e) {
return false;
}
});
}
onOffline() {
this.supportsBlock$.next('unknown');
this.xmppChatAdapter.blockedContactIds$.next(new Set());
}
blockJid(jid) {
return this.xmppChatAdapter.chatConnectionService.sendIq(xml('iq', { type: 'set' }, xml('block', { xmlns: 'urn:xmpp:blocking' }, xml('item', { jid }))));
}
unblockJid(jid) {
return this.xmppChatAdapter.chatConnectionService.sendIq(xml('iq', { type: 'set' }, xml('unblock', { xmlns: 'urn:xmpp:blocking' }, xml('item', { jid }))));
}
requestBlockedJids() {
return __awaiter(this, void 0, void 0, function* () {
const blockListResponse = yield this.xmppChatAdapter.chatConnectionService.sendIq(xml('iq', { type: 'get' }, xml('blocklist', { xmlns: 'urn:xmpp:blocking' })));
const blockedJids = blockListResponse
.getChild('blocklist')
.getChildren('item')
.map(e => e.attrs.jid);
this.xmppChatAdapter.blockedContactIds$.next(new Set(blockedJids));
});
}
handleStanza(stanza) {
var _a;
const { from } = stanza.attrs;
if (from && from === ((_a = this.xmppChatAdapter.chatConnectionService.userJid) === null || _a === void 0 ? void 0 : _a.bare().toString())) {
const blockPush = stanza.getChild('block', 'urn:xmpp:blocking');
const unblockPush = stanza.getChild('unblock', 'urn:xmpp:blocking');
const blockList = this.xmppChatAdapter.blockedContactIds$.getValue();
if (blockPush) {
blockPush.getChildren('item')
.map(e => e.attrs.jid)
.forEach(jid => blockList.add(jid));
this.xmppChatAdapter.blockedContactIds$.next(blockList);
return true;
}
else if (unblockPush) {
const jidsToUnblock = unblockPush.getChildren('item').map(e => e.attrs.jid);
if (jidsToUnblock.length === 0) {
// unblock everyone
blockList.clear();
}
else {
// unblock individually
jidsToUnblock.forEach(jid => blockList.delete(jid));
}
this.xmppChatAdapter.blockedContactIds$.next(blockList);
return true;
}
}
return false;
}
}
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{ xml } from '@xmpp/client';\r\nimport { BehaviorSubject } from 'rxjs';\r\nimport { Stanza } from '../../../../core/stanza';\r\nimport { XmppChatAdapter } from '../xmpp-chat-adapter.service';\r\nimport { AbstractXmppPlugin } from './abstract-xmpp-plugin';\r\nimport { ServiceDiscoveryPlugin } from './service-discovery.plugin';\r\n\r\n/**\r\n * XEP-0191: Blocking Command\r\n * https://xmpp.org/extensions/xep-0191.html\r\n */\r\nexport class BlockPlugin extends AbstractXmppPlugin {\r\n\r\n    public supportsBlock$ = new BehaviorSubject<boolean | 'unknown'>('unknown');\r\n\r\n    constructor(\r\n        private xmppChatAdapter: XmppChatAdapter,\r\n        private serviceDiscoveryPlugin: ServiceDiscoveryPlugin,\r\n    ) {\r\n        super();\r\n    }\r\n\r\n    async onBeforeOnline() {\r\n        const supportsBlock = await this.determineSupportForBlock();\r\n        this.supportsBlock$.next(supportsBlock);\r\n        if (supportsBlock) {\r\n            await this.requestBlockedJids();\r\n        }\r\n    }\r\n\r\n    private async determineSupportForBlock() {\r\n        try {\r\n            return await this.serviceDiscoveryPlugin.supportsFeature(\r\n                this.xmppChatAdapter.chatConnectionService.userJid.domain,\r\n                'urn:xmpp:blocking');\r\n        } catch (e) {\r\n            return false;\r\n        }\r\n    }\r\n\r\n    onOffline() {\r\n        this.supportsBlock$.next('unknown');\r\n        this.xmppChatAdapter.blockedContactIds$.next(new Set<string>());\r\n    }\r\n\r\n    blockJid(jid: string) {\r\n        return this.xmppChatAdapter.chatConnectionService.sendIq(\r\n            xml('iq', {type: 'set'},\r\n                xml('block', {xmlns: 'urn:xmpp:blocking'},\r\n                    xml('item', {jid}))));\r\n    }\r\n\r\n    unblockJid(jid: string) {\r\n        return this.xmppChatAdapter.chatConnectionService.sendIq(\r\n            xml('iq', {type: 'set'},\r\n                xml('unblock', {xmlns: 'urn:xmpp:blocking'},\r\n                    xml('item', {jid}))));\r\n    }\r\n\r\n    private async requestBlockedJids() {\r\n        const blockListResponse = await this.xmppChatAdapter.chatConnectionService.sendIq(\r\n            xml('iq', {type: 'get'},\r\n                xml('blocklist', {xmlns: 'urn:xmpp:blocking'})\r\n            )\r\n        );\r\n\r\n        const blockedJids = blockListResponse\r\n            .getChild('blocklist')\r\n            .getChildren('item')\r\n            .map(e => e.attrs.jid);\r\n\r\n        this.xmppChatAdapter.blockedContactIds$.next(new Set<string>(blockedJids));\r\n    }\r\n\r\n    handleStanza(stanza: Stanza): boolean {\r\n        const {from} = stanza.attrs;\r\n        if (from && from === this.xmppChatAdapter.chatConnectionService.userJid?.bare().toString()) {\r\n            const blockPush = stanza.getChild('block', 'urn:xmpp:blocking');\r\n            const unblockPush = stanza.getChild('unblock', 'urn:xmpp:blocking');\r\n            const blockList = this.xmppChatAdapter.blockedContactIds$.getValue();\r\n            if (blockPush) {\r\n                blockPush.getChildren('item')\r\n                    .map(e => e.attrs.jid as string)\r\n                    .forEach(jid => blockList.add(jid));\r\n                this.xmppChatAdapter.blockedContactIds$.next(blockList);\r\n                return true;\r\n            } else if (unblockPush) {\r\n                const jidsToUnblock = unblockPush.getChildren('item').map(e => e.attrs.jid as string);\r\n                if (jidsToUnblock.length === 0) {\r\n                    // unblock everyone\r\n                    blockList.clear();\r\n                } else {\r\n                    // unblock individually\r\n                    jidsToUnblock.forEach(jid => blockList.delete(jid));\r\n                }\r\n                this.xmppChatAdapter.blockedContactIds$.next(blockList);\r\n                return true;\r\n            }\r\n        }\r\n        return false;\r\n    }\r\n\r\n}\r\n"]}