Function checkCollectionRateLimit

apis/middlewares_rate_limit.go:81–108

checkCollectionRateLimit checks whether the current request satisfy the rate limit configuration for the specific collection. Each baseTags entry will be prefixed with the collection name and its wildcard variant.

(e *core.RequestEvent, collection *core.Collection, baseTags ...string)

//
// Each baseTags entry will be prefixed with the collection name and its wildcard variant.
func checkCollectionRateLimit(e *core.RequestEvent, collection *core.Collection, baseTags ...string) error {
	if skipRateLimit(e) {
		return nil
	}

	labels := make([]string, 0, 2+len(baseTags)*2)

	rtId := collection.Id + e.Request.Pattern

	// add first the primary labels (aka. ["collectionName:action1", "collectionName:action2"])
	for _, baseTag := range baseTags {
		rtId += baseTag
		labels = append(labels, collection.Name+":"+baseTag)
	}

	// add the wildcard labels (aka. [..., "*:action1","*:action2", "*"])
	for _, baseTag := range baseTags {
		labels = append(labels, "*:"+baseTag)
	}
	labels = append(labels, defaultRateLimitLabels(e)...)

	rule, ok := e.App.Settings().RateLimits.FindRateLimitRule(labels, defaultRateLimitAudience(e)...)
	if ok {
		return checkRateLimit(e, rtId+rule.Audience, rule)
	}

	return nil
}

// isIPInList checks if the specified IP is in a list of other individual IPs or subnets.
func isIPInList(ipsOrSubnets []string, ip string) bool {