mirror of
https://github.com/siyuan-note/siyuan.git
synced 2025-05-03 14:32:34 +08:00
125 lines
2.8 KiB
Go
125 lines
2.8 KiB
Go
// SiYuan - Build Your Eternal Digital Garden
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// Copyright (c) 2020-present, b3log.org
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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package util
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import (
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"net/http"
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"net/url"
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"strings"
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"time"
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"github.com/88250/gulu"
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"github.com/88250/lute/ast"
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"github.com/gin-gonic/gin"
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"github.com/imroc/req/v3"
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"github.com/olahol/melody"
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"github.com/siyuan-note/httpclient"
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"github.com/siyuan-note/logging"
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)
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func IsOnline(checkURL string, skipTlsVerify bool) bool {
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_, err := url.Parse(checkURL)
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if nil != err {
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logging.LogWarnf("invalid check URL [%s]", checkURL)
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return false
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}
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if "" == checkURL {
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return false
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}
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if isOnline(checkURL, skipTlsVerify) {
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return true
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}
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logging.LogWarnf("network is offline [checkURL=%s]", checkURL)
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return false
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}
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func isOnline(checkURL string, skipTlsVerify bool) (ret bool) {
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c := req.C().SetTimeout(3 * time.Second)
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if skipTlsVerify {
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c.EnableInsecureSkipVerify()
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}
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for i := 0; i < 3; i++ {
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resp, err := c.R().Get(checkURL)
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if resp.GetHeader("Location") != "" {
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return true
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}
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switch err.(type) {
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case *url.Error:
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if err.(*url.Error).URL != checkURL {
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// DNS 重定向
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return true
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}
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}
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ret = nil == err
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if ret {
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break
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}
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}
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return
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}
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func GetRemoteAddr(session *melody.Session) string {
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ret := session.Request.Header.Get("X-forwarded-for")
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ret = strings.TrimSpace(ret)
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if "" == ret {
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ret = session.Request.Header.Get("X-Real-IP")
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}
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ret = strings.TrimSpace(ret)
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if "" == ret {
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return session.Request.RemoteAddr
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}
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return strings.Split(ret, ",")[0]
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}
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func JsonArg(c *gin.Context, result *gulu.Result) (arg map[string]interface{}, ok bool) {
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arg = map[string]interface{}{}
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if err := c.BindJSON(&arg); nil != err {
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result.Code = -1
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result.Msg = "parses request failed"
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return
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}
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ok = true
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return
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}
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func InvalidIDPattern(idArg string, result *gulu.Result) bool {
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if ast.IsNodeIDPattern(idArg) {
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return false
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}
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result.Code = -1
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result.Msg = "invalid ID argument"
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return true
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}
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func IsValidURL(str string) bool {
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_, err := url.Parse(str)
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return nil == err
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}
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func initHttpClient() {
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http.DefaultClient = httpclient.GetCloudFileClient2Min()
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http.DefaultTransport = httpclient.NewTransport(false)
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}
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