@pazznetwork/ngx-chat
Version:
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115 lines • 18.9 kB
JavaScript
import { jid as parseJid, xml } from '@xmpp/client';
import { Direction } from '../../../../core/message';
import { AbstractXmppPlugin } from './abstract-xmpp-plugin';
import { mucUserNs } from './multi-user-chat/multi-user-chat-constants';
export class MessageReceivedEvent {
constructor() {
this.discard = false;
}
}
/**
* Part of the XMPP Core Specification
* see: https://datatracker.ietf.org/doc/rfc6120/
*/
export class MessagePlugin extends AbstractXmppPlugin {
constructor(xmppChatAdapter, logService) {
super();
this.xmppChatAdapter = xmppChatAdapter;
this.logService = logService;
}
handleStanza(stanza, archiveDelayElement) {
if (this.isMessageStanza(stanza)) {
this.handleMessageStanza(stanza, archiveDelayElement);
return true;
}
return false;
}
sendMessage(contact, body) {
const messageStanza = xml('message', {
to: contact.jidBare.toString(),
from: this.xmppChatAdapter.chatConnectionService.userJid.toString(),
type: 'chat',
}, xml('body', {}, body));
const message = {
direction: Direction.out,
body,
datetime: new Date(),
delayed: false,
fromArchive: false,
};
this.xmppChatAdapter.plugins.forEach(plugin => plugin.beforeSendMessage(messageStanza, message));
contact.addMessage(message);
// TODO: on rejection mark message that it was not sent successfully
this.xmppChatAdapter.chatConnectionService.send(messageStanza).then(() => {
this.xmppChatAdapter.plugins.forEach(plugin => plugin.afterSendMessage(message, messageStanza));
}, (rej) => {
this.logService.error('rejected message ' + message.id, rej);
});
}
isMessageStanza(stanza) {
return stanza.name === 'message'
&& stanza.attrs.type !== 'groupchat'
&& stanza.attrs.type !== 'error'
&& !!stanza.getChildText('body')?.trim();
}
handleMessageStanza(messageStanza, archiveDelayElement) {
const isAddressedToMe = this.xmppChatAdapter.chatConnectionService.userJid.bare()
.equals(parseJid(messageStanza.attrs.to).bare());
const messageDirection = isAddressedToMe ? Direction.in : Direction.out;
const messageFromArchive = archiveDelayElement != null;
const delayElement = archiveDelayElement ?? messageStanza.getChild('delay');
const datetime = delayElement?.attrs.stamp
? new Date(delayElement.attrs.stamp)
: new Date() /* TODO: replace with entity time plugin */;
if (messageDirection === Direction.in && !messageFromArchive) {
this.logService.debug('message received <=', messageStanza.getChildText('body'));
}
const message = {
body: messageStanza.getChildText('body').trim(),
direction: messageDirection,
datetime,
delayed: !!delayElement,
fromArchive: messageFromArchive,
};
const messageReceivedEvent = new MessageReceivedEvent();
this.xmppChatAdapter.plugins.forEach(plugin => plugin.afterReceiveMessage(message, messageStanza, messageReceivedEvent));
if (messageReceivedEvent.discard) {
return;
}
const contactJid = isAddressedToMe ? messageStanza.attrs.from : messageStanza.attrs.to;
const contact = this.xmppChatAdapter.getOrCreateContactById(contactJid);
contact.addMessage(message);
const isRoomInviteMessage = messageStanza.getChild('x', mucUserNs)
|| messageStanza.getChild('x', MessagePlugin.MUC_DIRECT_INVITATION_NS);
if (isRoomInviteMessage) {
contact.pendingRoomInvite$.next(this.extractInvitationFromMessage(messageStanza));
}
if (messageDirection === Direction.in && !messageFromArchive) {
this.xmppChatAdapter.message$.next(contact);
}
}
extractInvitationFromMessage(messageStanza) {
const mediatedInvitation = messageStanza.getChild('x', mucUserNs);
if (mediatedInvitation) {
const inviteEl = mediatedInvitation.getChild('invite');
return {
from: parseJid(inviteEl.attrs.from),
roomJid: parseJid(messageStanza.attrs.from),
reason: inviteEl.getChildText('reason'),
password: mediatedInvitation.getChildText('password'),
};
}
const directInvitation = messageStanza.getChild('x', MessagePlugin.MUC_DIRECT_INVITATION_NS);
if (directInvitation) {
return {
from: parseJid(messageStanza.attrs.from),
roomJid: parseJid(directInvitation.attrs.jid),
reason: directInvitation.attrs.reason,
password: directInvitation.attrs.password,
};
}
throw new Error(`unknown invitation format: ${messageStanza.toString()}`);
}
}
MessagePlugin.MUC_DIRECT_INVITATION_NS = 'jabber:x:conference';
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{ jid as parseJid, xml } from '@xmpp/client';\nimport { Contact, Invitation } from '../../../../core/contact';\nimport { Direction, Message } from '../../../../core/message';\nimport { MessageWithBodyStanza, Stanza } from '../../../../core/stanza';\nimport { LogService } from '../../../log.service';\nimport { XmppChatAdapter } from '../xmpp-chat-adapter.service';\nimport { AbstractXmppPlugin } from './abstract-xmpp-plugin';\nimport { mucUserNs } from './multi-user-chat/multi-user-chat-constants';\n\nexport class MessageReceivedEvent {\n    discard = false;\n}\n\n/**\n * Part of the XMPP Core Specification\n * see: https://datatracker.ietf.org/doc/rfc6120/\n */\nexport class MessagePlugin extends AbstractXmppPlugin {\n    private static readonly MUC_DIRECT_INVITATION_NS = 'jabber:x:conference';\n\n    constructor(\n        private readonly xmppChatAdapter: XmppChatAdapter,\n        private readonly logService: LogService,\n    ) {\n        super();\n    }\n\n    handleStanza(stanza: Stanza, archiveDelayElement?: Stanza) {\n        if (this.isMessageStanza(stanza)) {\n            this.handleMessageStanza(stanza, archiveDelayElement);\n            return true;\n        }\n        return false;\n    }\n\n    sendMessage(contact: Contact, body: string) {\n        const messageStanza = xml('message', {\n                to: contact.jidBare.toString(),\n                from: this.xmppChatAdapter.chatConnectionService.userJid.toString(),\n                type: 'chat',\n            },\n            xml('body', {}, body),\n        );\n\n        const message: Message = {\n            direction: Direction.out,\n            body,\n            datetime: new Date(), // TODO: replace with entity time plugin\n            delayed: false,\n            fromArchive: false,\n        };\n        this.xmppChatAdapter.plugins.forEach(plugin => plugin.beforeSendMessage(messageStanza, message));\n        contact.addMessage(message);\n        // TODO: on rejection mark message that it was not sent successfully\n        this.xmppChatAdapter.chatConnectionService.send(messageStanza).then(() => {\n            this.xmppChatAdapter.plugins.forEach(plugin => plugin.afterSendMessage(message, messageStanza));\n        }, (rej) => {\n            this.logService.error('rejected message ' + message.id, rej);\n        });\n    }\n\n    private isMessageStanza(stanza: Stanza): stanza is MessageWithBodyStanza {\n        return stanza.name === 'message'\n            && stanza.attrs.type !== 'groupchat'\n            && stanza.attrs.type !== 'error'\n            && !!stanza.getChildText('body')?.trim();\n    }\n\n    private handleMessageStanza(messageStanza: MessageWithBodyStanza, archiveDelayElement?: Stanza) {\n        const isAddressedToMe = this.xmppChatAdapter.chatConnectionService.userJid.bare()\n            .equals(parseJid(messageStanza.attrs.to).bare());\n        const messageDirection = isAddressedToMe ? Direction.in : Direction.out;\n\n        const messageFromArchive = archiveDelayElement != null;\n\n        const delayElement = archiveDelayElement ?? messageStanza.getChild('delay');\n        const datetime = delayElement?.attrs.stamp\n            ? new Date(delayElement.attrs.stamp)\n            : new Date() /* TODO: replace with entity time plugin */;\n\n        if (messageDirection === Direction.in && !messageFromArchive) {\n            this.logService.debug('message received <=', messageStanza.getChildText('body'));\n        }\n\n        const message = {\n            body: messageStanza.getChildText('body').trim(),\n            direction: messageDirection,\n            datetime,\n            delayed: !!delayElement,\n            fromArchive: messageFromArchive,\n        };\n\n        const messageReceivedEvent = new MessageReceivedEvent();\n        this.xmppChatAdapter.plugins.forEach(plugin => plugin.afterReceiveMessage(message, messageStanza, messageReceivedEvent));\n\n        if (messageReceivedEvent.discard) {\n            return;\n        }\n\n        const contactJid = isAddressedToMe ? messageStanza.attrs.from : messageStanza.attrs.to;\n        const contact = this.xmppChatAdapter.getOrCreateContactById(contactJid);\n        contact.addMessage(message);\n\n        const isRoomInviteMessage =\n            messageStanza.getChild('x', mucUserNs)\n            || messageStanza.getChild('x', MessagePlugin.MUC_DIRECT_INVITATION_NS);\n\n        if (isRoomInviteMessage) {\n            contact.pendingRoomInvite$.next(this.extractInvitationFromMessage(messageStanza));\n        }\n\n        if (messageDirection === Direction.in && !messageFromArchive) {\n            this.xmppChatAdapter.message$.next(contact);\n        }\n    }\n\n    private extractInvitationFromMessage(messageStanza: MessageWithBodyStanza): Invitation {\n        const mediatedInvitation = messageStanza.getChild('x', mucUserNs);\n        if (mediatedInvitation) {\n            const inviteEl = mediatedInvitation.getChild('invite');\n            return {\n                from: parseJid(inviteEl.attrs.from),\n                roomJid: parseJid(messageStanza.attrs.from),\n                reason: inviteEl.getChildText('reason'),\n                password: mediatedInvitation.getChildText('password'),\n            };\n        }\n\n        const directInvitation = messageStanza.getChild('x', MessagePlugin.MUC_DIRECT_INVITATION_NS);\n        if (directInvitation) {\n            return {\n                from: parseJid(messageStanza.attrs.from),\n                roomJid: parseJid(directInvitation.attrs.jid),\n                reason: directInvitation.attrs.reason,\n                password: directInvitation.attrs.password,\n            };\n        }\n\n        throw new Error(`unknown invitation format: ${messageStanza.toString()}`);\n    }\n\n}\n"]}