Function getOperation

lib/utilities/serverAccessLogger.js:288–340

(req)

});

function getOperation(req) {
    const resourceType = methodToResType[req.apiMethod];

    if (req.serverAccessLog && req.serverAccessLog.backbeat) {
        if (req.serverAccessLog.expiration) {
            return 'S3.EXPIRE.OBJECT';
        }
        if (req.serverAccessLog.replication) {
            if (req.serverAccessLog.deleteMarker) {
                return 'REST.DELETE.OBJECT';
            }
            if (req.serverAccessLog.tagging) {
                return 'REST.PUT.OBJECT_TAGGING';
            }
            if (req.serverAccessLog.acl) {
                return 'REST.PUT.ACL';
            }
            return 'REST.PUT.OBJECT';
        }
        return `REST.${req.method}.BACKBEAT`;
    }

    // Special handling for copy operations
    if (req.apiMethod === 'objectCopy') {
        return 'REST.COPY.OBJECT';
    }
    if (req.apiMethod === 'objectPutCopyPart') {
        return 'REST.COPY.PART';
    }
    // Special handling for website operations
    if (req.apiMethod === 'websiteGet') {
        return 'WEBSITE.GET.OBJECT';
    }
    if (req.apiMethod === 'websiteHead') {
        return 'WEBSITE.HEAD.OBJECT';
    }

    if (!resourceType) {
        // Only emit a warning if apiMethod is not undefined, meaning request is valid.
        // Otherwise we could get spam by invalid or broken requests.
        // To help catch missing valid operation.
        if (req.apiMethod) {
            process.emitWarning('Unknown apiMethod for server access log', {
                type: 'ServerAccessLogWarning',
                code: 'UNKNOWN_API_METHOD',
                detail: `apiMethod=${req.apiMethod}, method=${req.method}, url=${req.url}`
            });
        }
        return `REST.${req.method}.UNKNOWN`;
    }

    return `REST.${req.method}.${resourceType}`;
}

const assumedRoleArnRegex = /^arn:aws:sts::[0-9]{12}:assumed-role\/\S+$/;