这是一个为另一个应用程序工作的同事的一些C#代码：
var bind = new httpsTransportBindingElement();bind.AuthenticationScheme = System.Net.AuthenticationSchemes.Basic;
所以我想我需要找出什么RCurl相当于.NET值System.Net.AuthenticationSchemes.Basic将在R / curl世界？
这是我到目前为止提出的：
忽略任何身份验证信息
web_page = getURL( url = "https://xxxx.sapbydesign.com/sap/byd/odata/cc_home_analytics.svc/path/to/ressource",username = "<username>",userpwd = "*****",cainfo = "inst/ssl/ca-bundle.pem")
这就是我得到的答案(通过谷歌Chrome翻译成德语)：
<DOCTYPE HTML PUBliC "- / / W3C / / DTD xhtml 1.0 Strict / / EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><HTML xmlns="http://www.w3.org/1999/xhtml"><head> <Meta name = "generator" content = "HTML TIDy for linux/x86 (vers 25 march 2009),see www.w3.org" /> <Title> logon Error Message </ Title> <Meta http-equiv="Content-Type" content="text/HTML; charset=us-ascii" /> <style type="text/CSS"> / * <! [cdaTA [* / body {Font-family: tahoma,helvetica,sans-serif; color: # 333333; background-color: # FFFFFF; } Td {Font-family: tahoma,sans-serif; Font-size: 70%; color: # 333333; {H1} H2 {} } P {Font-family: tahoma,sans-serif; color: # 333333; margin-top: 4px; margin-bottom: 4px; ul {} li} {Font-family: tahoma,sans-serif; color: # 33333; margin-top: 4px; Emphasize} {color: # 333333; background-color:. # C8E3FF; padding: 5px;} note {color: # CC6600;. } A {Font-family: tahoma,sans-serif; text-decoration: underline; color: # 336699; } A: visited {color: # 001166; } A: hover {text-decoration: none; } / *]]> * / </ Style></ head><body> <table cellpadding="0" cellspacing="0" border="0" wIDth="100%"> <tr> <td> <h1> Login Failed </ h1> <br /> <h2> What happened? </ h2> <p> Calling the URL https://my310094.sapbydesign.com/sap/byd/odata/cc_home_analytics.svc/RPCRMQUFU_Q0001queryResults was aborted due to incorrect credentials. </ p> </ Td> </ Tr> <tr> <td> </ td> </ Tr> <tr> <td > <strong> Note </ strong> <br /> <ul> <li> The application was running in the system KHN. </ li> <li> The application was for the clIEnt 015 and the user and the Performed language. </ li> </ ul> </ Td> </ Tr> <tr> <td> </ td> </ Tr> <tr> <td> </ p> <h2> What can you do? </ h2> <ul> <li> Check the indication of the clIEnts,users and the password for typos. </ li> <li> If you do not have a user ID,contact your system administrator. </ li> </ ul> <br /> <p > error code: ICF-LE-https-c:015-l:-u:-a:1-c:015-l:-r:0-T:1-C:1-U:8-P:-L:6-X:00163E0746C81EE484C92B972817350C_00163E0746C81EE484C92B969D80750C_1-x:00163E0746C81EE484C92B972817550C</p><br /> <p> http 401 - Unauthorized <br /> </ p> <p> Your SAP Internet Communication Framework Team </ p> </ Td> </ Tr> </ table></ Body></ HTML> 指定httpauth
基于this post,我尝试了以下内容：
web_page = getURL( url = "https://xxxx.sapbydesign.com/sap/byd/odata/cc_home_analytics.svc/path/to/ressource",cainfo = "inst/ssl/ca-bundle.pem",httpauth = "CURLAUTH_BASIC")
这一次,答案看起来不同((通过谷歌浏览器从德语翻译)：
<DOCTYPE HTML PUBliC "- / / W3C / / DTD xhtml 1.0 Strict / / EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><HTML xmlns="http://www.w3.org/1999/xhtml"><head> <Meta name = "generator" content = "HTML TIDy for linux/x86 (vers 25 march 2009),see www.w3.org" /> <Title> logon Error Message </ Title> <Meta http-equiv="Content-Type" content="text/HTML; charset=us-ascii" /> <style type="text/CSS">/ * <! [cdaTA [* / body {Font-family: tahoma,sans-serif; text-decoration: underline; color: # 336699; } A: visited {color: # 001166; } A: hover {text-decoration: none; } / *]]> * / </ Style></ head><body> <table cellpadding="0" cellspacing="0" border="0" wIDth="100%"> <tr> <td> <h1> Login Failed </ h1> <br /> <h2> What happened? </ h2> <p> Calling the URL https://my310094.sapbydesign.com/sap/byd/odata/cc_home_analytics.svc was aborted due to incorrect credentials. </ p> </ Td> </ Tr> <tr> <td> </ td> </ Tr> <tr> <td > <strong> Note </ strong> <br /> The application was running in the system KHN. Here were no Credentials provIDed. </ Td> </ Tr> <tr> <td> </ td> </ Tr> <tr> <td> </ p> <h2> What can you do? </ h2> <ul> <li> If you do not have a user ID,contact your system administrator. </ li> </ ul> <br /> <p > error code: ICF-LE-https-c:015-l:-u:-a:0-c:015-l:-r:99-T:-C:1-U:-P:-L:6-X:00163E0746C81EE484CA0C65DC12398A_00163E0746C81EE484CA0C65D826798A_1-x:00163E0746C81EE484CA0C65DC12598A</p><br /> <p> http 401 - Unauthorized <br /> </ p> <p> Your SAP Internet Communication Framework Team </ p> </ Td> </ Tr> </ table></ Body></ HTML>解决方法 使用httr非常简单： library(httr)url <- "https://xxxx.sapbydesign.com/sap/byd/odata/cc_home_analytics.svc/path/to/ressource"r <- GET(url,authenticate("<username>","*****","basic"))stop_for_status(r)content(r) (在httr 0.4中,您将能够删除“basic”,因为基本身份验证现在是默认值)
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