7.0_MediaTypeScript

var SEVERITY_COLORS_VERT = [
    'data:image/gif;base64,R0lGODdhCAABAIEAAMPDwwAAAAAAAAAAACwAAAAACAABAAAIBwABCBwoMCAAOw==',    // Not classified.
    'data:image/gif;base64,R0lGODdhCAABAIEAALaz/wAAAAAAAAAAACwAAAAACAABAAAIBwABCBwoMCAAOw==',     // Information.
    'data:image/gif;base64,R0lGODdhCAABAIEAAO7JUwAAAAAAAAAAACwAAAAACAABAAAIBwABCBwoMCAAOw==',    // Warning.
    'data:image/gif;base64,R0lGODdhCAABAIEAAOaDAAAAAAAAAAAAACwAAAAACAABAAAIBwABCBwoMCAAOw==',  // Average.
    'data:image/gif;base64,R0lGODdhCAABAIEAAOZNAAAAAAAAAAAAACwAAAAACAABAAAIBwABCBwoMCAAOw==',  // High.
    'data:image/gif;base64,R0lGODdhCAABAIEAAOYAAAAAAAAAAAAAACwAAAAACAABAAAIBwABCBwoMCAAOw==',  // Disaster.
    'data:image/gif;base64,R0lGODdhCAABAIEAAACeGgAAAAAAAAAAACwAAAAACAABAAAIBwABCBwoMCAAOw==',       // Resolved.
    'data:image/gif;base64,R0lGODdhCAABAIEAAMPDwwAAAAAAAAAAACwAAAAACAABAAAIBwABCBwoMCAAOw=='     // Default.
];

var SEVERITY_COLORS_HOR = [
    'data:image/gif;base64,R0lGODdhAQAIAIEAAMPDwwAAAAAAAAAAACwAAAAAAQAIAAAIBwABCBwoMCAAOw==',    // Not classified.
    'data:image/gif;base64,R0lGODdhAQAIAIEAALaz/wAAAAAAAAAAACwAAAAAAQAIAAAIBwABCBwoMCAAOw==',     // Information.
    'data:image/gif;base64,R0lGODdhAQAIAIEAAO7JUwAAAAAAAAAAACwAAAAAAQAIAAAIBwABCBwoMCAAOw==',    // Warning.
    'data:image/gif;base64,R0lGODdhAQAIAIEAAOaDAAAAAAAAAAAAACwAAAAAAQAIAAAIBwABCBwoMCAAOw==',  // Average.
    'data:image/gif;base64,R0lGODdhAQAIAIEAAOZNAAAAAAAAAAAAACwAAAAAAQAIAAAIBwABCBwoMCAAOw==',  // High.
    'data:image/gif;base64,R0lGODdhAQAIAIEAAOYAAAAAAAAAAAAAACwAAAAAAQAIAAAIBwABCBwoMCAAOw==',  // Disaster.
    'data:image/gif;base64,R0lGODdhAQAIAIEAAACeGgAAAAAAAAAAACwAAAAAAQAIAAAIBwABCBwoMCAAOw==',       // Resolved.
    'data:image/gif;base64,R0lGODdhAQAIAIEAAMPDwwAAAAAAAAAAACwAAAAAAQAIAAAIBwABCBwoMCAAOw=='     // Default.
];


try {
    var params = JSON.parse(value);

    params.zabbix_url = params.zabbix_url.endsWith('/') ? params.zabbix_url.slice(0, -1) : params.zabbix_url;

    if ([0, 1, 2, 3].indexOf(parseInt(params.event_source)) === -1) {
        throw 'Incorrect "event_source" parameter given: "' + params.event_source + '".\nMust be 0-3.';
    }

    // Set "use_default_message" to true for non trigger-based events.
    if (params.event_source !== '0') {
        params.use_default_message = 'true';
    }

    // Check {EVENT.VALUE} for trigger-based and internal events.
    if (params.event_value !== '0' && params.event_value !== '1' &&
        (params.event_source === '0' || params.event_source === '3')) {
        throw 'Incorrect "event_value" parameter given: "' + params.event_value + '".\nMust be 0 or 1.';
    }

    // Check {EVENT.UPDATE.STATUS} only for trigger-based events.
    if (params.event_update_status !== '0' && params.event_update_status !== '1' && params.event_source === '0') {
        throw 'Incorrect "event_update_status" parameter given: "' + params.event_update_status + '".\nMust be 0 or 1.';
    }

    if (params.event_value === '0') {
        params.event_nseverity = '6';
    }

    if (!SEVERITY_COLORS_HOR[params.event_nseverity]) {
        params.event_nseverity = '7';
    }

    var request = new HttpRequest();
    var body = {
        type: "message",
        attachments: [{
            contentType: "application/vnd.microsoft.card.adaptive",
            content: {
                $schema: "http://adaptivecards.io/schemas/adaptive-card.json",
                type: "AdaptiveCard",
                version: "1.4",
                "msteams": {
                    "width": "Full"
                },
                "backgroundImage": {
                   "url": params.bannertype === "vertical" ? SEVERITY_COLORS_VERT[params.event_nseverity] : SEVERITY_COLORS_HOR[params.event_nseverity],
                   "fillMode": params.bannertype === "vertical" ? "RepeatVertically" : "RepeatHorizontally"
                },
                body: [
                    {
                        type: "TextBlock",
                        text: "Zabbix",
                        weight: "bolder",
                        size: "medium"
                    },
                    {
                        type: "TextBlock",
                        text: params.alert_subject,
                        wrap: true,
                        size: "large",
                        weight: "bolder"
                    },
                    {
                        type: "TextBlock",
                        text: 'On ' + params.host_name + ' [' + params.host_ip + ']',
                        wrap: true
                    },
                    {
                        type: "TextBlock",
                        text: params.use_default_message.toLowerCase() === 'true'
                            ? params.alert_message
                            : params.trigger_description,
                        wrap: true
                    }
                ]
            }
        }]
    };

    if (params.use_default_message.toLowerCase() !== 'true') {
        // Problem message.
        if (params.event_value === '1' && params.event_update_status === '0') {
            body.attachments[0].content.body.push({
                type: "TextBlock",
                text: '**Event time:** ' + params.event_time + ' ' + params.event_date,
                wrap: true
            });
        }
        // Update message.
        else if (params.event_update_status === '1') {
            body.attachments[0].content.body.push({
                type: "TextBlock",
                text: params.event_update_user + ' ' + params.event_update_action + '.',
                wrap: true
            });

            if (params.event_update_message) {
                body.attachments[0].content.body.push({
                    type: "TextBlock",
                    text: '**Message:**\n' + params.event_update_message,
                    wrap: true
                });
            }

            body.attachments[0].content.body.push({
                type: "TextBlock",
                text: '**Event update time:** ' + params.event_update_time + ' ' + params.event_update_date,
                wrap: true
            });
        }
        // Resolved message.
        else {
            body.attachments[0].content.body.push({
                type: "TextBlock",
                text: '**Recovery time:** ' + params.event_recovery_time + ' ' + params.event_recovery_date,
                wrap: true
            });
        }

        if (params.event_severity && params.event_severity !== '{EVENT.SEVERITY}') {
            body.attachments[0].content.body.push({
                type: "TextBlock",
                text: '**Severity:** ' + params.event_severity,
                wrap: true
            });
        }

        if (params.event_opdata && params.event_opdata !== '{EVENT.OPDATA}') {
            var opDataLines = params.event_opdata.split(/(?:\r\n|\r|\n)/);
            body.attachments[0].content.body.push({
                type: "TextBlock",
                text: '**Operational data:**',
                wrap: true
            });
            opDataLines.forEach(function (line) {
                body.attachments[0].content.body.push({
                    type: "TextBlock",
                    text: line,
                    wrap: true
                });
            });
        }

        if (params.event_tags && params.event_tags !== '{EVENT.TAGS}') {
            body.attachments[0].content.body.push({
                type: "TextBlock",
                text: '**Event tags:** ' + params.event_tags,
                wrap: true
            });
        }

        Object.keys(params).forEach(function (key) {
            if (key.startsWith('fact_') && params[key] !== '') {
                body.attachments[0].content.body.push({
                    type: "TextBlock",
                    text: '**' + key.substring(5) + ':** ' + params[key],
                    wrap: true
                });
            } else if (key.startsWith('openUri_') && params[key] !== '' && !params[key].startsWith('{')) {
                body.attachments[0].content.body.push({
                    type: "ActionSet",
                    actions: [
                        {
                            type: "Action.OpenUrl",
                            title: key.substring(8),
                            url: params[key]
                        }
                    ]
                });
            }
        });

        body.attachments[0].content.body.push({
            type: "ActionSet",
            actions: [
                {
                    type: "Action.OpenUrl",
                    title: (params.event_source === '0' && params.event_recovery_value !== '0')
                        ? "Acknowledge"
                        : "View Event History",
                    url: (params.event_source === '0' && params.event_recovery_value !== '0')
                        ? params.zabbix_url + "/zabbix.php?action=popup&popup_action=acknowledge.edit&eventids%5B%5D=" + params.event_id
                        : params.zabbix_url + "/tr_events.php?triggerid=" + params.trigger_id + "&eventid=" + params.event_id
                }
            ]
        });
    }

    request.addHeader('Content-Type: application/json');

    if (typeof params.HTTPProxy === 'string' && params.HTTPProxy !== '') {
        request.setProxy(params.HTTPProxy);
    }

    Zabbix.Log(4, '[ MS Teams Webhook ] JSON: ' + JSON.stringify(body));

    var response = request.post(params.teams_endpoint, JSON.stringify(body));

    Zabbix.Log(4, '[ MS Teams Webhook ] Response: ' + response);

    return 'OK';
} catch (error) {
    Zabbix.Log(3, '[ MS Teams Webhook ] ERROR: ' + error);
    throw 'Sending failed: ' + error;
}