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web.go
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web.go
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// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
// See LICENSE.txt for license information.
package web
import (
"net/http"
"path"
"strings"
"github.com/avct/uasurfer"
"github.com/gorilla/mux"
"github.com/mattermost/mattermost-server/v6/app"
"github.com/mattermost/mattermost-server/v6/model"
"github.com/mattermost/mattermost-server/v6/shared/mlog"
"github.com/mattermost/mattermost-server/v6/utils"
)
type Web struct {
srv *app.Server
MainRouter *mux.Router
}
func New(srv *app.Server) *Web {
mlog.Debug("Initializing web routes")
web := &Web{
srv: srv,
MainRouter: srv.Router,
}
web.InitOAuth()
web.InitWebhooks()
web.InitSaml()
web.InitStatic()
return web
}
// Due to the complexities of UA detection and the ramifications of a misdetection
// only older Safari and IE browsers throw incompatibility errors.
// Map should be of minimum required browser version.
// -1 means that the browser is not supported in any version.
var browserMinimumSupported = map[string]int{
"BrowserIE": 12,
"BrowserSafari": 12,
}
func CheckClientCompatibility(agentString string) bool {
ua := uasurfer.Parse(agentString)
if version, exist := browserMinimumSupported[ua.Browser.Name.String()]; exist && (ua.Browser.Version.Major < version || version < 0) {
return false
}
return true
}
func Handle404(a app.AppIface, w http.ResponseWriter, r *http.Request) {
err := model.NewAppError("Handle404", "api.context.404.app_error", nil, "", http.StatusNotFound)
ipAddress := utils.GetIPAddress(r, a.Config().ServiceSettings.TrustedProxyIPHeader)
mlog.Debug("not found handler triggered", mlog.String("path", r.URL.Path), mlog.Int("code", 404), mlog.String("ip", ipAddress))
if IsAPICall(a, r) {
w.WriteHeader(err.StatusCode)
err.DetailedError = "There doesn't appear to be an api call for the url='" + r.URL.Path + "'. Typo? are you missing a team_id or user_id as part of the url?"
w.Write([]byte(err.ToJSON()))
} else if *a.Config().ServiceSettings.WebserverMode == "disabled" {
http.NotFound(w, r)
} else {
utils.RenderWebAppError(a.Config(), w, r, err, a.AsymmetricSigningKey())
}
}
func IsAPICall(a app.AppIface, r *http.Request) bool {
subpath, _ := utils.GetSubpathFromConfig(a.Config())
return strings.HasPrefix(r.URL.Path, path.Join(subpath, "api")+"/")
}
func IsWebhookCall(a app.AppIface, r *http.Request) bool {
subpath, _ := utils.GetSubpathFromConfig(a.Config())
return strings.HasPrefix(r.URL.Path, path.Join(subpath, "hooks")+"/")
}
func IsOAuthAPICall(a app.AppIface, r *http.Request) bool {
subpath, _ := utils.GetSubpathFromConfig(a.Config())
if r.Method == "POST" && r.URL.Path == path.Join(subpath, "oauth", "authorize") {
return true
}
if r.URL.Path == path.Join(subpath, "oauth", "apps", "authorized") ||
r.URL.Path == path.Join(subpath, "oauth", "deauthorize") ||
r.URL.Path == path.Join(subpath, "oauth", "access_token") {
return true
}
return false
}
func ReturnStatusOK(w http.ResponseWriter) {
m := make(map[string]string)
m[model.STATUS] = model.StatusOk
w.Write([]byte(model.MapToJSON(m)))
}