60e403e53e
recover from panics such as out-of-bounds array access & nil pointer access, print a stack trace and return 5xx error instead of the service crashing and relying on Execution framework to handle crashes
54 lines
1.2 KiB
Go
54 lines
1.2 KiB
Go
package middleware
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import (
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"strings"
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)
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func matchScheme(domain, pattern string) bool {
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didx := strings.Index(domain, ":")
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pidx := strings.Index(pattern, ":")
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return didx != -1 && pidx != -1 && domain[:didx] == pattern[:pidx]
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}
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// matchSubdomain compares authority with wildcard
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func matchSubdomain(domain, pattern string) bool {
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if !matchScheme(domain, pattern) {
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return false
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}
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didx := strings.Index(domain, "://")
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pidx := strings.Index(pattern, "://")
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if didx == -1 || pidx == -1 {
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return false
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}
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domAuth := domain[didx+3:]
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// to avoid long loop by invalid long domain
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if len(domAuth) > 253 {
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return false
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}
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patAuth := pattern[pidx+3:]
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domComp := strings.Split(domAuth, ".")
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patComp := strings.Split(patAuth, ".")
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for i := len(domComp)/2 - 1; i >= 0; i-- {
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opp := len(domComp) - 1 - i
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domComp[i], domComp[opp] = domComp[opp], domComp[i]
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}
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for i := len(patComp)/2 - 1; i >= 0; i-- {
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opp := len(patComp) - 1 - i
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patComp[i], patComp[opp] = patComp[opp], patComp[i]
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}
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for i, v := range domComp {
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if len(patComp) <= i {
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return false
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}
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p := patComp[i]
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if p == "*" {
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return true
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}
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if p != v {
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return false
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}
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}
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return false
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}
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