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redirect_match.go
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redirect_match.go
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// Copyright 2024 Paul Greenberg greenpau@outlook.com
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package redirects
import (
"net/url"
"strings"
)
// Match matches HTTP URL to the bypass configuration.
func Match(u *url.URL, cfgs []*RedirectURIMatchConfig) bool {
pathMatched := false
domainMatched := false
for _, cfg := range cfgs {
switch cfg.pathMatch {
case matchExact:
if cfg.Path == u.Path {
pathMatched = true
}
case matchPartial:
if strings.Contains(u.Path, cfg.Path) {
pathMatched = true
}
case matchPrefix:
if strings.HasPrefix(u.Path, cfg.Path) {
pathMatched = true
}
case matchSuffix:
if strings.HasSuffix(u.Path, cfg.Path) {
pathMatched = true
}
case matchRegex:
if cfg.pathRegex.MatchString(u.Path) {
pathMatched = true
}
}
if pathMatched {
break
}
}
if !pathMatched {
return false
}
for _, cfg := range cfgs {
switch cfg.domainMatch {
case matchExact:
if cfg.Domain == u.Host {
domainMatched = true
}
case matchPartial:
if strings.Contains(u.Host, cfg.Domain) {
domainMatched = true
}
case matchPrefix:
if strings.HasPrefix(u.Host, cfg.Domain) {
domainMatched = true
}
case matchSuffix:
if strings.HasSuffix(u.Host, cfg.Domain) {
domainMatched = true
}
case matchRegex:
if cfg.domainRegex.MatchString(u.Host) {
domainMatched = true
}
}
if domainMatched {
break
}
}
return domainMatched
}