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0e786fa4af
When a filter is run _after_ the router completes, it's input params, such as `":splat"` will have been overwritten by the filter's router pass. This commit adds the ability to tell the router to revert to the previous input params after running a filter.
45 lines
1.5 KiB
Go
45 lines
1.5 KiB
Go
// Copyright 2014 beego Author. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package beego
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import "github.com/astaxie/beego/context"
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// FilterFunc defines a filter function which is invoked before the controller handler is executed.
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type FilterFunc func(*context.Context)
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// FilterRouter defines a filter operation which is invoked before the controller handler is executed.
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// It can match the URL against a pattern, and execute a filter function
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// when a request with a matching URL arrives.
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type FilterRouter struct {
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filterFunc FilterFunc
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tree *Tree
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pattern string
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returnOnOutput bool
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resetParams bool
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}
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// ValidRouter checks if the current request is matched by this filter.
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// If the request is matched, the values of the URL parameters defined
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// by the filter pattern are also returned.
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func (f *FilterRouter) ValidRouter(url string, ctx *context.Context) bool {
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isOk := f.tree.Match(url, ctx)
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if isOk != nil {
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if b, ok := isOk.(bool); ok {
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return b
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}
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}
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return false
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}
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