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57 lines
1.6 KiB
57 lines
1.6 KiB
// Copyright (c) 2019 aimerforreimu. All Rights Reserved. |
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// Use of this source code is governed by a BSD-style |
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// license that can be found in the LICENSE file. |
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// |
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// GNU GENERAL PUBLIC LICENSE |
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// Version 3, 29 June 2007 |
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// |
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// Copyright (C) 2007 Free Software Foundation, Inc. <https://fsf.org/> |
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// Everyone is permitted to copy and distribute verbatim copies |
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// of this license document, but changing it is not allowed. |
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// |
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// repo: https://github.com/aimerforreimu/auxpi |
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package tools |
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import ( |
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"net/http" |
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"strings" |
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"github.com/astaxie/beego/logs" |
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) |
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func CheckStatus(url string) bool { |
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if url == "" { |
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return false |
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} |
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client := &http.Client{ |
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CheckRedirect: func(req *http.Request, via []*http.Request) error { |
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return http.ErrUseLastResponse |
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}, |
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} |
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req, err := http.NewRequest("GET", url, nil) |
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req.Header.Add("User-Agent", "Mozilla/5.0 (Linux; Android 8.1; EML-AL00 Build/HUAWEIEML-AL00; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/53.0.2785.143 Crosswalk/24.53.595.0 XWEB/358 MMWEBSDK/23 Mobile Safari/537.36 MicroMessenger/6.7.2.1340(0x2607023A) NetType/4G Language/zh_CN") |
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resp, err := client.Do(req) |
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if err != nil { |
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logs.Error("[CHECK PIC RESP ERROR]: ", err) |
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return false |
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} |
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err = resp.Body.Close() |
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if err != nil { |
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logs.Error("[CHECK PIC RESP ERROR]: ", err) |
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return false |
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} |
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//检测请求头 |
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if resp.StatusCode != 200 { |
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return false |
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} |
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//解析响应头是否是png/jpg/gif/bmp 等资源 |
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//是否返回的是图片资源 |
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info := resp.Header.Get("Content-Type") |
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if strings.HasPrefix(info, "image") || strings.HasSuffix(info, "octet-stream") { |
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return true |
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} |
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return false |
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}
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