57 lines
1.6 KiB
Go
57 lines
1.6 KiB
Go
// Beego (http://beego.me/)
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// @description beego is an open-source, high-performance web framework for the Go programming language.
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// @link http://github.com/astaxie/beego for the canonical source repository
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// @license http://github.com/astaxie/beego/blob/master/LICENSE
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// @authors astaxie
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package beego
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import "regexp"
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// FilterRouter defines filter operation before controller handler execution.
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// it can match patterned url and do filter function when action arrives.
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type FilterRouter struct {
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pattern string
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regex *regexp.Regexp
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filterFunc FilterFunc
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hasregex bool
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params map[int]string
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parseParams map[string]string
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}
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// ValidRouter check current request is valid for this filter.
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// if matched, returns parsed params in this request by defined filter router pattern.
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func (mr *FilterRouter) ValidRouter(router string) (bool, map[string]string) {
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if mr.pattern == "" {
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return true, nil
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}
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if mr.pattern == "*" {
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return true, nil
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}
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if router == mr.pattern {
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return true, nil
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}
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//pattern /admin router /admin/ match
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//pattern /admin/ router /admin don't match, because url will 301 in router
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if n := len(router); n > 1 && router[n-1] == '/' && router[:n-2] == mr.pattern {
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return true, nil
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}
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if mr.hasregex {
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if !mr.regex.MatchString(router) {
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return false, nil
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}
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matches := mr.regex.FindStringSubmatch(router)
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if len(matches) > 0 {
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if len(matches[0]) == len(router) {
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params := make(map[string]string)
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for i, match := range matches[1:] {
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params[mr.params[i]] = match
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}
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return true, params
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}
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}
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}
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return false, nil
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}
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