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2f33fe86f5
* Update dependencies and build to go1.22 * Fix api changes wrt to dependencies * Update golangci config
130 lines
4.9 KiB
Go
130 lines
4.9 KiB
Go
// SPDX-License-Identifier: MIT
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// SPDX-FileCopyrightText: © 2015 LabStack LLC and Echo contributors
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package echo
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import (
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"net/http"
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)
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// Group is a set of sub-routes for a specified route. It can be used for inner
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// routes that share a common middleware or functionality that should be separate
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// from the parent echo instance while still inheriting from it.
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type Group struct {
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common
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host string
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prefix string
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middleware []MiddlewareFunc
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echo *Echo
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}
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// Use implements `Echo#Use()` for sub-routes within the Group.
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func (g *Group) Use(middleware ...MiddlewareFunc) {
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g.middleware = append(g.middleware, middleware...)
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if len(g.middleware) == 0 {
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return
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}
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// group level middlewares are different from Echo `Pre` and `Use` middlewares (those are global). Group level middlewares
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// are only executed if they are added to the Router with route.
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// So we register catch all route (404 is a safe way to emulate route match) for this group and now during routing the
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// Router would find route to match our request path and therefore guarantee the middleware(s) will get executed.
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g.RouteNotFound("", NotFoundHandler)
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g.RouteNotFound("/*", NotFoundHandler)
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}
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// CONNECT implements `Echo#CONNECT()` for sub-routes within the Group.
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func (g *Group) CONNECT(path string, h HandlerFunc, m ...MiddlewareFunc) *Route {
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return g.Add(http.MethodConnect, path, h, m...)
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}
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// DELETE implements `Echo#DELETE()` for sub-routes within the Group.
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func (g *Group) DELETE(path string, h HandlerFunc, m ...MiddlewareFunc) *Route {
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return g.Add(http.MethodDelete, path, h, m...)
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}
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// GET implements `Echo#GET()` for sub-routes within the Group.
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func (g *Group) GET(path string, h HandlerFunc, m ...MiddlewareFunc) *Route {
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return g.Add(http.MethodGet, path, h, m...)
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}
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// HEAD implements `Echo#HEAD()` for sub-routes within the Group.
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func (g *Group) HEAD(path string, h HandlerFunc, m ...MiddlewareFunc) *Route {
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return g.Add(http.MethodHead, path, h, m...)
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}
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// OPTIONS implements `Echo#OPTIONS()` for sub-routes within the Group.
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func (g *Group) OPTIONS(path string, h HandlerFunc, m ...MiddlewareFunc) *Route {
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return g.Add(http.MethodOptions, path, h, m...)
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}
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// PATCH implements `Echo#PATCH()` for sub-routes within the Group.
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func (g *Group) PATCH(path string, h HandlerFunc, m ...MiddlewareFunc) *Route {
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return g.Add(http.MethodPatch, path, h, m...)
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}
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// POST implements `Echo#POST()` for sub-routes within the Group.
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func (g *Group) POST(path string, h HandlerFunc, m ...MiddlewareFunc) *Route {
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return g.Add(http.MethodPost, path, h, m...)
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}
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// PUT implements `Echo#PUT()` for sub-routes within the Group.
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func (g *Group) PUT(path string, h HandlerFunc, m ...MiddlewareFunc) *Route {
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return g.Add(http.MethodPut, path, h, m...)
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}
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// TRACE implements `Echo#TRACE()` for sub-routes within the Group.
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func (g *Group) TRACE(path string, h HandlerFunc, m ...MiddlewareFunc) *Route {
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return g.Add(http.MethodTrace, path, h, m...)
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}
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// Any implements `Echo#Any()` for sub-routes within the Group.
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func (g *Group) Any(path string, handler HandlerFunc, middleware ...MiddlewareFunc) []*Route {
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routes := make([]*Route, len(methods))
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for i, m := range methods {
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routes[i] = g.Add(m, path, handler, middleware...)
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}
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return routes
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}
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// Match implements `Echo#Match()` for sub-routes within the Group.
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func (g *Group) Match(methods []string, path string, handler HandlerFunc, middleware ...MiddlewareFunc) []*Route {
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routes := make([]*Route, len(methods))
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for i, m := range methods {
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routes[i] = g.Add(m, path, handler, middleware...)
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}
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return routes
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}
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// Group creates a new sub-group with prefix and optional sub-group-level middleware.
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func (g *Group) Group(prefix string, middleware ...MiddlewareFunc) (sg *Group) {
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m := make([]MiddlewareFunc, 0, len(g.middleware)+len(middleware))
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m = append(m, g.middleware...)
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m = append(m, middleware...)
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sg = g.echo.Group(g.prefix+prefix, m...)
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sg.host = g.host
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return
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}
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// File implements `Echo#File()` for sub-routes within the Group.
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func (g *Group) File(path, file string) {
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g.file(path, file, g.GET)
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}
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// RouteNotFound implements `Echo#RouteNotFound()` for sub-routes within the Group.
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//
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// Example: `g.RouteNotFound("/*", func(c echo.Context) error { return c.NoContent(http.StatusNotFound) })`
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func (g *Group) RouteNotFound(path string, h HandlerFunc, m ...MiddlewareFunc) *Route {
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return g.Add(RouteNotFound, path, h, m...)
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}
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// Add implements `Echo#Add()` for sub-routes within the Group.
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func (g *Group) Add(method, path string, handler HandlerFunc, middleware ...MiddlewareFunc) *Route {
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// Combine into a new slice to avoid accidentally passing the same slice for
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// multiple routes, which would lead to later add() calls overwriting the
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// middleware from earlier calls.
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m := make([]MiddlewareFunc, 0, len(g.middleware)+len(middleware))
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m = append(m, g.middleware...)
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m = append(m, middleware...)
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return g.echo.add(g.host, method, g.prefix+path, handler, m...)
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}
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