OpenIdConnect 认证启用 HTTPS 回调 RedirectUri 不生效问题解决

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在搭建 IdentityServer 服务端后，我们尝试使用了 OIDC(OpenID Connect) 协议来代替了原先的 Session 系统认证方式，起初采用的是 HTTP 协议，一切都没有什么问题，最近启用全站 HTTPS 后，发现登陆会跳转到 HTTP 的页面，

第一步：

请求构造授权页

Request URL:https://sso.xxx.cn/connect/authorize?client_id=10000005&redirect_uri=https%3A%2F%2Fp2.cloudhotels.cn&response_mode=form_post&response_type=id_token%20token&scope=openid%20profile&state=OpenIdConnect.AuthenticationProperties%3DTl--AjNJpswyb_R1ytC6SqEKnWP5FWe969jAIK-tPHj7l5bCYieg5fffC111-Bjur08jIafy5-DNg2ESrenp71it4OBCLnUsLXPbFGxlsT6jWwsTmRgJf5HxG-HtsTZm2iIwDkFl2P4GmlUt7GAl8gMuTNlaLqB3M-RuJ2prt603WzMQ&nonce=636321569961956638.ODdlZTBkOWItYmU4Mi00OTliLTk5ZjktNjY0YTkwNjk4MTE0ODczM2M4ZWUtNzIyZi00YjgwLTlhZDAtM2NkNmE3NzY2MzJl&x-client-SKU=ID_NET&x-client-ver=1.0.40306.1554
Request Method:GET
Status Code:200 
Remote Address:222.186.49.226:443
Referrer Policy:no-referrer-when-downgrade

:authority:sso.xxx.cn
:method:GET
:path:/connect/authorize?client_id=10000005&redirect_uri=https%3A%2F%2Fp2.xxx.cn&response_mode=form_post&response_type=id_token%20token&scope=openid%20profile&state=OpenIdConnect.AuthenticationProperties%3DTl--AjNJpswyb_R1ytC6SqEKnWP5FWe969jAIK-tPHj7l5bCYieg5fffC111-Bjur08jIafy5-DNg2ESrenp71it4OBCLnUsLXPbFGxlsT6jWwsTmRgJf5HxG-HtsTZm2iIwDkFl2P4GmlUt7GAl8gMuTNlaLqB3M-RuJ2prt603WzMQ&nonce=636321569961956638.ODdlZTBkOWItYmU4Mi00OTliLTk5ZjktNjY0YTkwNjk4MTE0ODczM2M4ZWUtNzIyZi00YjgwLTlhZDAtM2NkNmE3NzY2MzJl&x-client-SKU=ID_NET&x-client-ver=1.0.40306.1554
:scheme:https
accept:text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8
accept-encoding:gzip, deflate, sdch, br
accept-language:zh-CN,zh;q=0.8
cookie:acw_tc=AQAAACVlAyxojQIAFpTodHdoRw2DIBLj; idsrv.xsrf=lL0mbSQCJwUEqyWAufNmPsKzR6s4rlmo9TnH5RgESnOUtVXBzRBfF1bumRiySNSdyI8LDA; SignInMessage.410d3116e4685a1ff945b72ec5b7bdee=owpop5ySCBwDREEoMovtaEIsnr5k6JVvD8kbdp2dJlSJvAUWX6xXvR1qP_G-C-Hf6QOOV8M5wZ_HBJ8L-101uznPFSmw1lqkmnPHTj0xJeR3gJ4QeaP9IEm4sQvEyZWzdnNGwW-F_y_9ooSGDqpNEr-PFoI_nrK7az0PWvgHsqv-hKSBQVonq_AIPaGumS7p5ORNHkHwB1LdJXWXnVwFq6NMM1DLD1zXJgpXp4EkzjCExIA89Nd9wUYZlJDb1TuNGLpucraql9RZ6kpKJpnr4z2bGtW1JENWdPb3YH4thqBlP6JMz4s9rKCJWhrOtojpuqfzGUanE-Sw8he4My0GQQ3FcNPqT8GFaVUmwPpy8qIZriLyCRO6IUlXoqo_uwAHS2N5f3AYtaoIo88TEJZl8sZCIeM1QD2ZADB1L96JHuTzMAR7TLEWxtFrFmlIX4Ue0XyXclzQnKbNPnhFlwK11joxFxpVczMuUp4bpEvfdhmuFaqTkTqO9qOmxh3fiVQxqpv9LXNg-JFrAWzlXfSJmrFaRUJ6-RFbHi31cYkLQ0v4Gal7KASMsVTvp9Iswj1lgvRtHoMEAXmwyMWThZg6RGJbFrQQSjG2uFB7-LFCOI_V_d3EYQMHxkvFeFJHUQ4O9DbXq0v-nSXCzcyNYEXBUS273X6OensJ4nilWZVtnssyXh1SppSICXGnX1MHfNvWMp2AlmdQQo76myLL0l2yCRVpyP6fLGWcMUmn9MmQi5-NoIALlCNyOslwAOGsgCkpcpLEeeI0BD7SKwXzQZQnTgCtJJayMZVdPB3aEKojZFe1BsBUV8nwsdEAhY8dc6HZPY3wpGhrVK1tYH1KzCFt1yw2LI3qgKgQyGnqETk7GUD-gunrvMYym-CMjteLu7lSyOiaaRTjMWb8o35psxK8RvHRNqc; _pms_session=gyyabpm4wizgtp0drl02nuuf; SignInMessage.9d3ece88ead86da0d24435c1a430c34e=NGNDv77kQPUAKKXDc9uVuokKTz1CIJG0t1G81CCrtHgPxx2wEb1TwxRdCT7UV61lmQxF-kYGSXH2-irds7PfoQSdp4Wm4Aot-zOjtpjtR8aH5VEndu78hbGIv6n2JEOAUQBtfh2GTrmQYBgHpEHIulCrHJWovGVmFIsgjDHmpnzAz_Kf6ZmcL0sC2tFDZYKP2PTYkaF83cG3PYbqVIeM7HTuucORtaybnuzv15UxGKU4T28cZwI28d_u-Og8gXkAoYNNFnT054S-q_Coxhz1nR5rYAZe_WmLZCvqM_3D0M7IK_1nHN8NexBKyuRIZ9V25D4afl7rNROCb2A0m3Y3ayUgu3FySHZwcjjhsia_l16IJMVu6KjFJCVZHh6JGu06O6lTza8QUnvYA6vh-PWVFiLFoszUy16RxuDWJl_fnoaWFBxP97zhFZ7gCHj9zdr5BjEgko6fkoEIcmHosehqsrTYJUGPKkaKR2GUfKzCEBeoNFvUveCOXrrjayeCSw5hk6dEjdehQvjrBy7ezffBRgViimpBr0YLqH00WSRdsZzfBA_KlUBkE3zJDBIrmGkyB7xiTOSHFXT-CoC4g7rEF4usM44CCntWTO48UGd_eq6qIxSLjVhXGrsuauqXZTKs82mPmARsd85opyA69kHfDkHT2vCKT3GLVmvBxk4Sdi1zoCobyHohFpj0o-u0J9fko6W8uxhilcKovPeWh8yDp5CQrpquXKc6yAN-4x1Lyh-lnKKHm2m1uPSV0v04P4PZfBYqASkYtgSKTRcmwErF8l8H7XpqlWFRT2DdXWYwetTv2I5MhC6HqwIlVoYzBk3JRIGheYTazNaO8Mz3pm1Ayp0VIWPH36mvdXynMV5iJmqgccVkWpdHmwJbHzdYajWPtqYocartaA2pAU9zog4nneNs9KI; SignInMessage.2e3550a6f27dbe37def555603163623e=dQUu6i3OyRhbsoYaK7wbtzSK5xGjVNSmenWCdZ0wbSvAnMAK7KNmBLBCOcV9rKRxAA-9jehtXT7bkFA0NRptXfgrWrU_my-cVvC2ok72b7qwk4LGTHonPqklVl-L_xCCBkUe0svpP1C4B3etBAj5MotsOVNFHuyhkNDAfMt_HpA6fCUJnEZtfQ0i3qycFmwL67O4JQx1EEbvhuugnlbyDiahppUlc-_TeVoySc_SNpnJc8HC9fCkYm7p2vQaLZoWVUsROU-JCPeIJ8NRDISTMqYlSWL0QY1UNa8vXF7zLSGO8jfMQ5YdmpYJIwG7VZrqf4yqHKi9E14G0IhYi1Y99wddOyaPYIKIQGIhWHkWVkRX0E1Mq-gsvzXJzLlN0-0_Ywyt4VRtpE1tQz9iS4xAtNPZBp3xyBzPJ0KsM6sHOuxuZT3X0NQV7hIZRA1eIV4xKhrGJtlh59FC7BaCmVIDDV7dytO9AGMlO5iYSjgKI4bTGC8cGYXHs2k7BsFTEh_RWKg0ygyu3hjvjIgN4X67yQ4BGHv92iFwLUxEn4nBXb7oZEx7BawzYAFcTlCK-l81VPmwr2Is0FjnhYlcr7MS-tvUx3HmG758-QPpoth5T0oZrOKVwv8Pop1503VjS1hFF1MCEzp0zzXaJcjZ_XeDLWmzElZ9jl8pw4AB2I64W-33IWtxBBXgjc9iX1L4t8imT9EMKXKK6wDxTZNQ8uxL2rnoV6NmYRoVcFjR0CFnAhntZDvhNGPWcFtH-eaGeFgDxa8HlbBV4vk1yNDlxN4-4upJxO7fbWmXx3OGPo8IVydyeQI0pUF61UKXYzVekyjc2rMS7wEpVsd8LdOy147tXLeZwqHBVbgU8GA6uITahJdjatOB2RLgTKgJvb_IPfgQQhRNv4ur5q2cfqerTIzSmH1lOJI; SignInMessage.249b0aeaa528d65e2fabdac9f695167d=PoHjxvv3eyxmJKkLNVuho_DAgPaIEjTg0XfzznyM_sKpPQ5vATFKZRIO7h2b9Zf-OtjqdTQN4gvEewnlEOVOvNED-WVT_hTcmBrj22ghMEKXJhYzjjVNOJxc5nYjcI0BHCiNgFsBZyTqsVqGG-QINfID8iG2NpnROU3sLygzIObydw56IJj63N6kJTBemCompDHcm0V8yOuqr8DIu_jR02JCPYotz2nRuHTsN-SRLCJzm1Q5ggfiy5HMMdV0jkdMj2CirxQV3sri32VNVNCvZ0XZJxFd5Ut-xoVfyPU9gGx1FI7iIEDhXyjSNGHgTGo2DFmgTVRn7kVIHnJ5kRiMvM9fYl8PHz2e_pB8VEGuUCisrXrQjdCiaTHdxjFudlmS-IcRksQV9fx4K0Ug0uy9Luf9RrfnUQo8i8JyARtPdrjmguJ79LVOjL-8eblBQlgUB6ih6uwXLBvRziyDTaB4B2FBT--Ke4guwrYBvxJdIgMh7Up5eJne8UW6Qeoc30L6q3TqiFLQLiFS39lehwx7EqoG_xLnp2y133ClQqfbFSBlBnPZD0OvNSuiWnOE724NeqioVkACPWUFgF7X1fbPDQXLc9mfRt0aNwlipNnCKtKwAoXtFJby1skdLx_I18uALo3KAwptivFweCvtKLELv0dBcQxzRzzOcIPi_gNUdrXnS7z23DvhCbsu8q842J-wZeqwXMrwakUzhh1-FvQW4Agt7FrTOCmOS1KzmarC2Xm5srIH3hWGc3gsvT3NYZxM0k-5WAhHw_d16zLAIWW4K_euxz5GnX-qKwvT3Rcpui4DsKQvZQGfCg4Ua3KKQT1iN-YOuixKMQ7nSiIHaP_0qZYI5H16mj3eiW4w0D2mDUSWCCRmJ7BR5qak0_mH0uLodDVvd8oejbfivWt-SGAd0MnZsoU; SignInMessage.8773da773d34dd5079a297ef19316ac0=4KfGGFxV7E7AiKGysQXQS9Dszsj3xHqg2RaVgdc-0uSz8c6ZLf_4ZB2FA1HLFXxoTnFbU-EN86eB1ZjPdYZO1BRPWw4dt_pk-ojgj88HcdDFlshoQBwAoN6MeTlnEriewC78lYz7UZVDJnCFZki4J7dMGPwu7XM93sLif3cR-d0pIFPdLBsjBZ2XaEDi6B9kKN8IAt5afWT8St-1LgnHSJPWl6iiCj2T71NaNnE0XU1ij_JdQRzLIQy4Z0eG8HA-jH3J_0oaqqoR-X3aJAiNlvb_GMPvXWF6CXaWFPiSxpu8_ApjKeI3Sq5bPghCZdApTdV1BH5UWDPciyZmX1knQd3B8DkmSsrAdSYXq5XVSDB4VYRFbZti-Msd5vZlCTo6w9tcGdNRlAnv9aEZjopkkf8IQqgiW0xZFlQjS9oGEVyNv80BkuhMMmoeNaEotHOaoK3qkNswqJRUNWxT9-6lLKB8pUaDxZZE4dJVC2VnW-CK6nbdDqCACcA-Ayf2wCTy2iVknv_zUUyXW5AkUO0CPI1BrBJkc_GqCbymXJphKO44vNLVUBoaMNjdAkqktpHBYx_rXImhCHNdXh0hvsVST4EWlTb2Y6IHx4G4sWNqE7irBPqhFJ4GcSUCfZlM0MD_72JdNCo9sYRDXqBUKO4gx1yRg2pyO00R0ch604AJ5EsF2fotrUm7Ie3br2erdI3dKkuKmy2jpyPQG3NmsZVFXFqIzguX7v4YvQTXXbvlVNHRpj3ulgGL7EQwnaikOD1Zc6mntSyesZ19nrkIQqjeFNFYA22-myhhFDo9ukjm0JIqvLoBLCN5br0JnyTXfHj0Bai_OsR1JMqoBSC9ZYHcSpEkNGDgi_gGiN1rQWUQikxhV3I5T1thx0A4_otw3MV2BMOWKxNMBdI4-jO4AAoWPK4BtFI; idsvr.session=a60e0086521e99c099122e9d54e6a870; idsrv=FXCKHsF7lWgZ6xBWmn5VU8KmB3Uo_DPkYFTsRNvEH3CKFOW4is94zus3LN9lPVj6yOqoV2o36dl5FS3tBTOWphg1fzIShAbW522-_AKnL0I3kKQldeccu7Wusb1moa2iAjq9q3y7mxlGFGBP7itBigCY1cfHeAZGbBfx1R1O5RUBO2Zjwf0PZuH1_-0EexZUNn-8qwOaMrpVTVTUOjZqc1Lr0cFFc6_PyLsyhHWbuiZLRcIHSsf_tSiw1YorIWFgoEv8kRlHOc4squfvAQQsraxBRrIKqWieqqhCA1y7kGUvlBJV8I0eLmP6lu9S08kehlM4sw
referer:https://sso.xxx.cn/login?signin=249b0aeaa528d65e2fabdac9f695167d
upgrade-insecure-requests:1
user-agent:Mozilla/5.0 (Linux; Android 6.0; Nexus 5 Build/MRA58N) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.133 Mobile Safari/537.36

第二步：

请求构造授权页会返回一个 OAuth2 回传信息 POST 到客户端，OAuth 2.0 Form Post Response Mode，是一个对 OAuth2 的扩展，构造回传信息提交到客户端是通过 URL 的 querystring 和 fragment 这两种方式，这个扩展标准提供了一基于 form 表单的形式把数据 post 给客户端的机制。

Request URL:https://p2.xxx.cn/
Request Method:POST
Status Code:302 
Remote Address:58.220.27.80:443
Referrer Policy:no-referrer-when-downgrade

id_token:eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsIng1dCI6ImEzck1VZ01Gdjl0UGNsTGE2eUYzekFrZnF1RSIsImtpZCI6ImEzck1VZ01Gdjl0UGNsTGE2eUYzekFrZnF1RSJ9.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_XCIsXCJDaXR5R3JvdXBJRFwiOlwiXCIsXCJDaXR5R3JvdXBOYW1lXCI6XCJcIixcIkpvYklEXCI6XCJBMDAwM1wiLFwiSm9iVGl0bGVcIjpcIuWfjuWMuumUgOWUruWJr-aAu-ebkVwiLFwiRW1haWxcIjpcInl4ZGVuZ0Bob21laW5ucy5jb21cIixcIkJ1c2luZXNzRGVwXCI6XCJcIixcIlVzZXJTb3VyY2VcIjozLFwiWFR5cGVcIjoyLFwiTW9iaWxlXCI6XCIxMzgxNzk2MzY2MlwiLFwiSG90ZWxDZFwiOlwiMDIxMDY0XCIsXCJIb3RlbE5hbWVcIjpcIuS4iua1t-WcuuS4rei3r-WcsOmTgeermeW6l--8iOWGheWuvu-8iVwiLFwiSG90ZWxKb2JJRFwiOlwiUkpDV0pMXCIsXCJIb3RlbEpvYlRpdGxlXCI6XCLotKLliqHnu4_nkIZcIixcIkJyYW5kQ2RcIjpcIlJKXCIsXCJCcmFuZERlc2NcIjpcIuWmguWutlwiLFwiVXBkYXRlVGltZVwiOlwiMjAxNy0wNS0xOFQwOTo0MDoyMS4wNFwifSIsImFtciI6WyJwYXNzd29yZCJdfQ.c_Dn0xxmLRGsp9_iZ7T2UOhwGf2uVjKwWYeGrKr70HtWDXcoafurb6_JxgEwdcWJzlhv3t9a-Y-LcupLbRBfBO-mP7CcbWM5Jr5zn55-z7RH2QnMlViK17AOOiXrKdCr8kTaGAK2bnkMpYIzk4oUAgWkwS3z0_RQ4G1aAIwIDxRvrKo4DuLwCXGPTYXp7YwAemnpvgywNvDM6yjKEL8KltdKyYWaHg8zxQVEPUOeteLFlsBA6rHJ873YTv-s6XNH3Rx944Sh75qGmPCkv3N3mEIDvHd8emMKyGJ53_Rbr6Jjr6eH_h8XNdwvtSIlH3GRfCgsJXppGxEl-KtRDGaR0w
access_token:eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsIng1dCI6ImEzck1VZ01Gdjl0UGNsTGE2eUYzekFrZnF1RSIsImtpZCI6ImEzck1VZ01Gdjl0UGNsTGE2eUYzekFrZnF1RSJ9.eyJpc3MiOiJodHRwczovL3Nzby5jbG91ZGhvdGVscy5jbiIsImF1ZCI6Imh0dHBzOi8vc3NvLmNsb3VkaG90ZWxzLmNuL3Jlc291cmNlcyIsImV4cCI6MTQ5NjU2MDIwNSwibmJmIjoxNDk2NTYwMjA0LCJjbGllbnRfaWQiOiIxMDAwMDAwNSIsInNjb3BlIjpbIm9wZW5pZCIsInByb2ZpbGUiXSwic3ViIjoiaXJ2aW5nIiwiYXV0aF90aW1lIjoxNDk2NTYwMjA0LCJpZHAiOiJpZHNydiIsImFtciI6WyJwYXNzd29yZCJdfQ.e4DeFyh2Jt6dnsry0ALSbEJpj34lbN0u_iW9YAsc_XlSgWm044LeI19xRzgZvzF4lN_4jjwjvMaQPzOO4MOokSmSAjwnMdVg1j2b9U3c7YyqIUQMueHn1hTr06f2kd2OLYLz38RnNilvFf1xAAF8tXs2TOyrHl9L39i6Nb3I7pQenooIoIbP8yRGpGAztRVBBEHf-b1-7b1wmhaDYEKe_dFOXzlNPRjFzrDhvCcoke2SHJ3Zo60c9JQVUKopFPYUF0EN_TDsS4dHeZCE55tLb--1KJpz7e2WVNGMbts7HGUrlpa4O4mwESxN_c1F3V8YVstdEB7i8xYZCSqQHUdE4Q
token_type:Bearer
expires_in:1
scope:openid profile
state:OpenIdConnect.AuthenticationProperties=Tl--AjNJpswyb_R1ytC6SqEKnWP5FWe969jAIK-tPHj7l5bCYieg5fffC111-Bjur08jIafy5-DNg2ESrenp71it4OBCLnUsLXPbFGxlsT6jWwsTmRgJf5HxG-HtsTZm2iIwDkFl2P4GmlUt7GAl8gMuTNlaLqB3M-RuJ2prt603WzMQ
session_state:UDOKlCOQmRPUjrKy2bRKz-erQ9Ze4jkre7FwspSAZBA.d02260a76d5c74285e125e59531cea07

注意这一步会返回一个 302 的 Location 头，并且是 HTTP？

cache-control:no-cache
content-length:0
date:Sun, 04 Jun 2017 07:10:05 GMT
eagleid:3adc014214965602048883069e
expires:-1
location:http://p2.xxx.cn
pragma:no-cache
server:Tengine
set-cookie:OpenIdConnect.nonce.nC4ZwLkiOvWjmFbe4uMezWn3Ot8OR5Q%2FEKWIPNawETw%3D=; path=/; expires=Thu, 01-Jan-1970 00:00:00 GMT
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第三步：

根据 Location 的地址跳转，这个时候发现并不是 HTTPS

本能的认为是 Idsrv 的 Client 配置回调地址问题，后面查阅 Idsrv 源码发现跟授权的 RedirectUri 并没有什么关系（OIDC 是兼容 OAuth 2.0 的），后面查看了客户端的源码（https://github.com/aspnet/AspNetKatana/blob/dev/src/Microsoft.Owin.Security.OpenIdConnect/OpenidConnectAuthenticationHandler.cs）

        /// <summary>
        /// Handles SignIn
        /// </summary>
        /// <returns></returns>
        protected override async Task ApplyResponseChallengeAsync()
        {if (Response.StatusCode == 401)
            {AuthenticationResponseChallenge challenge = Helper.LookupChallenge(Options.AuthenticationType, Options.AuthenticationMode);
                if (challenge == null)
                {return;
                }

                // order for redirect_uri
                // 1. challenge.Properties.RedirectUri
                // 2. CurrentUri
                AuthenticationProperties properties = challenge.Properties;
                if (string.IsNullOrEmpty(properties.RedirectUri))
                {properties.RedirectUri = CurrentUri;
                }

                // this value will be passed to the AuthorizationCodeReceivedNotification
                if (!string.IsNullOrWhiteSpace(Options.RedirectUri))
                {properties.Dictionary.Add(OpenIdConnectAuthenticationDefaults.RedirectUriUsedForCodeKey, Options.RedirectUri);
                }

                if (_configuration == null)
                {_configuration = await Options.ConfigurationManager.GetConfigurationAsync(Context.Request.CallCancelled);
                }

                OpenIdConnectMessage openIdConnectMessage = new OpenIdConnectMessage
                {ClientId = Options.ClientId,
                    IssuerAddress = _configuration.AuthorizationEndpoint ?? string.Empty,
                    RedirectUri = Options.RedirectUri,
                    RequestType = OpenIdConnectRequestType.AuthenticationRequest,
                    Resource = Options.Resource,
                    ResponseMode = OpenIdConnectResponseModes.FormPost,
                    ResponseType = Options.ResponseType,
                    Scope = Options.Scope,
                    State = OpenIdConnectAuthenticationDefaults.AuthenticationPropertiesKey + "=" + Uri.EscapeDataString(Options.StateDataFormat.Protect(properties)),
                };

                if (Options.ProtocolValidator.RequireNonce)
                {AddNonceToMessage(openIdConnectMessage);
                }

                var notification = new RedirectToIdentityProviderNotification<OpenIdConnectMessage, OpenIdConnectAuthenticationOptions>(Context, Options)
                {ProtocolMessage = openIdConnectMessage
                };

                await Options.Notifications.RedirectToIdentityProvider(notification);

                if (!notification.HandledResponse)
                {string redirectUri = notification.ProtocolMessage.CreateAuthenticationRequestUrl();
                    if (!Uri.IsWellFormedUriString(redirectUri, UriKind.Absolute))
                    {_logger.WriteWarning("The authenticate redirect URI is malformed: " + redirectUri);
                    }
                    Response.Redirect(redirectUri);
                }
            }

            return;
        }

默认是取 Properties.RedirectUri 的地址否则自动获得当前请求的 CurrentUri

private string CurrentUri
{
get
{
return Request.Scheme +
Uri.SchemeDelimiter+
Request.Host+
Request.PathBase+
Request.Path+
Request.QueryString;
}
}

由于我们使用的负载时在 LB 层做的，所以默认获得的地址是 HTTP 的，那么为什么 Properties.RedirectUri 获取是哪里的数据呢？

private readonly IOwinContext _context;
…

/// <summary>
/// Find response challenge details for a specific authentication middleware
/// </summary>
/// <param name=”authenticationType”>The authentication type to look for</param>
/// <param name=”authenticationMode”>The authentication mode the middleware is running under</param>
/// <returns>The information instructing the middleware how it should behave</returns>
public AuthenticationResponseChallenge LookupChallenge(string authenticationType, AuthenticationMode authenticationMode)
{
if (authenticationType == null)
{
throw new ArgumentNullException(“authenticationType“);
}

AuthenticationResponseChallenge challenge= _context.Authentication.AuthenticationResponseChallenge;
bool challengeHasAuthenticationTypes = challenge != null && challenge.AuthenticationTypes != null && challenge.AuthenticationTypes.Length != 0;
if (challengeHasAuthenticationTypes == false)
{
return authenticationMode == AuthenticationMode.Active ? (challenge ?? new AuthenticationResponseChallenge(null, null)) : null;
}
foreach (var challengeType in challenge.AuthenticationTypes)
{
if (string.Equals(challengeType, authenticationType, StringComparison.Ordinal))
{
return challenge;
}
}
return null;
}

也就是说在 401 状态码的情况下，会获取 _context.Authentication.AuthenticationResponseChallenge 对象时候为 null，并不是客户端配置项，最后突然想到可能是 Idsrv 的拦截器里配置的（https://github.com/IdentityServer/IdentityServer3.Extensions.Mvc/blob/master/source/IdentityServer3.Extensions.Mvc/IdentityServer3.Extensions.Mvc/Filters/IdentityServerFullLoginAttribute.cs）

public class IdentityServerFullLoginAttribute : OwinAuthenticationAttribute
{
public IdentityServerFullLoginAttribute()
:base(Constants.PrimaryAuthenticationType)
{
this.Order = 1;
}

public override void OnAuthenticationChallenge(AuthenticationChallengeContext filterContext)
{
var statusCodeResult = filterContext.Result as HttpStatusCodeResult;
if (statusCodeResult != null && statusCodeResult.StatusCode == 401)
{
var ctx = filterContext.HttpContext.Request.GetOwinContext();
var url = ctx.Environment.CreateSignInRequest(new SignInMessage
{
ReturnUrl= filterContext.HttpContext.Request.Url.AbsoluteUri
});
filterContext.Result= new RedirectResult(url);
}
}
}

1.）客户单强制设置返回 302 与 URL 或强制给 Properties.RedirectUri 赋值

public class Startup
{
private static readonly Logger logger = LogManager.GetCurrentClassLogger();
/// <summary>
/// 启动类配置
/// </summary>
/// <param name=”app”></param>
public void Configuration(IAppBuilder app)
{
// 忽略 SSL 证书，安全验证
//ServicePointManager.ServerCertificateValidationCallback += delegate (object sender, X509Certificate certificate, X509Chain chain, SslPolicyErrors sslPolicyErrors)
//{
// return true;
//};
// configuring Redis
GlobalHost.DependencyResolver.UseRedis(new RedisScaleoutConfiguration(CacheSetting.Redis, “SignalR“) {Database = 3 });
//configuring the OpenID Connect authentication middleware
app.UseCookieAuthentication(new CookieAuthenticationOptions
{
AuthenticationType= “Cookies“,
});
app.UseOpenIdConnectAuthentication(new OpenIdConnectAuthenticationOptions
{
// Set expiration time to 8 hours
ProtocolValidator = new OpenIdConnectProtocolValidator()
{
NonceLifetime= new TimeSpan(0, 8, 0, 0)
},
Authority= IdsvSetting.Authority,
ClientId= IdsvSetting.ClientId,
Scope= “openid profile“,
ResponseType= “id_token token“,
RedirectUri= IdsvSetting.RedirectUri,
SignInAsAuthenticationType= “Cookies“,
UseTokenLifetime= false,
Notifications= new OpenIdConnectAuthenticationNotifications
{
SecurityTokenValidated= async n =>
{
try
{
var id = n.AuthenticationTicket.Identity;
var nid = new ClaimsIdentity(id.AuthenticationType);
// keep the id_token for logout
nid.AddClaim(new Claim(“id_token“, n.ProtocolMessage.IdToken));
// add access token for sample API
nid.AddClaim(new Claim(“access_token“, n.ProtocolMessage.AccessToken));
// keep track of access token expiration
nid.AddClaim(new Claim(“expires_at“, DateTimeOffset.Now.AddSeconds(int.Parse(n.ProtocolMessage.ExpiresIn)).ToString()));
// 获得用户信息
// var client = new UserInfoClient(new Uri(n.Options.Authority + “/connect/userinfo”), n.ProtocolMessage.AccessToken);
//var userInfo = await client.GetAsync();
//var user = userInfo.JsonObject.Last.First.ToString().DeserializeJson<XHotelOAuth2UserInfoResponse>(System.Text.Encoding.UTF8);
var userInfoClient = new UserInfoClient(new Uri(n.Options.Authority + “/connect/userinfo“), n.ProtocolMessage.AccessToken);
var userInfo = await userInfoClient.GetAsync();
var user = userInfo.JsonObject.Last.First.ToString().DeserializeJson<XHotelOAuth2UserInfoResponse>(System.Text.Encoding.UTF8);
…

n.AuthenticationTicket= new AuthenticationTicket(nid, n.AuthenticationTicket.Properties);
//// 清空 OpenIdConnect 开头的 Cookies
foreach (var item in HttpContext.Current.Request.Cookies.AllKeys)
{
if (item.Contains(“OpenIdConnect“, StringComparison.OrdinalIgnoreCase))
{
HttpCookie cookie= HttpContext.Current.Request.Cookies[item];
cookie.Expires= DateTime.Now.AddDays(-1);
HttpContext.Current.Response.Cookies.Add(cookie);
}
}
HttpContext.Current.Response.AddHeader(“Location“, IdsvSetting.RedirectUri);
}
catch (Exception ex)
{
ex.ToExceptionless().MarkAsCritical().Submit();
logger.Error(ex,“UseOpenIdConnectAuthentication:“ + ex.Message);
}
},
RedirectToIdentityProvider= n =>
{
if (n.ProtocolMessage.RequestType == OpenIdConnectRequestType.LogoutRequest)
{
var idTokenHint = n.OwinContext.Authentication.User.FindFirst(“id_token“);
if (idTokenHint != null)
{
n.ProtocolMessage.IdTokenHint= idTokenHint.Value;
}
}
return Task.FromResult(0);
},
AuthenticationFailed= (context) =>
{
if (context.Exception is OpenIdConnectProtocolInvalidNonceException && context.Exception.Message.ContainsAny(new string[] { “IDX10316“, “IDX10311“ }))
{
logger.Warn(“OpenIdConnectProtocolInvalidNonce expired, reauthenticating…“);
context.HandleResponse();
//context.Response.Redirect(“/Error.aspx?message=” + context.Exception.Message);
context.Response.Redirect(context.Request.Uri.PathAndQuery);
}
return Task.FromResult(0);
},
}
});
}
}

2.）MVC 拦截器里设置 Properties.RedirectUri

public class TokenAuthorizeFilter : AuthorizeAttribute
{
public override void OnAuthorization(AuthorizationContext context)
{
if (!context.HttpContext.User.Identity.IsAuthenticated)
{
#if !DEBUG
HttpContext.Current.GetOwinContext().Authentication.Challenge(new AuthenticationProperties
{
RedirectUri= context.HttpContext.Request.Url.ToString().Replace(“http“, “https“)
});
#endif
// 401 who are you? go login and then try again
context.Result = new HttpUnauthorizedResult();
}
//如果 session 不存在，清除 openid
// context.RequestContext.HttpContext.GetOwinContext().Authentication.SignOut();
// context.Result = new RedirectResult(“/home?returnUrl=” + HttpUtility.UrlEncode(HttpContext.Current.Request.Url.AbsoluteUri));
}
}

本文永久更新链接地址：http://www.linuxidc.com/Linux/2017-06/145177.htm