Ipn Delivery Failed. Http Error Code 400 Bad Request
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helping each other. Join them; it only takes a minute: Sign up PayPal IPN Bad Request 400 Error up vote 16 down vote favorite 8 Using the PayPal IPN, I keep getting an error 400. I have been
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making the script send me emails of $res to see what the response is, inside of the while (!feof($fp)) {} loop. I always end up getting the error: HTTP/1.0 400 Bad Request In total I get back: HTTP/1.0 400 Bad Request Connection: close Server: BigIP Content-Length: 19 Invalid Host Header The last line after this is just blank. Here is my code, I have tried changing loads of things but nothing works. $req = 'cmd=_notify-validate'; foreach ($_POST as $key => $value) { $value = urlencode(stripslashes($value)); $value = preg_replace('/(.*[^%^0^D])(%0A)(.*)/i','${1}%0D%0A${3}', $value);// IPN fix $req .= "&$key=$value"; } // post back to PayPal system to validate $header = "POST /cgi-bin/webscr HTTP/1.0\r\n"; $header .= "Content-Type: application/x-www-form-urlencoded\r\n"; $header .= "Content-Length: " . strlen($req) . "\r\n\r\n"; $fp = fsockopen('ssl://www.sandbox.paypal.com', 443, $errno, $errstr, 30); if (!$fp) { // HTTP ERROR } else { fputs($fp, $header . $req); while (!feof($fp)) { $res = fgets ($fp, 1024); if (strcmp ($res, "VERIFIED") == 0) { //ADD TO DB } else if (strcmp ($res, "INVALID") == 0) { // PAYMENT INVALID & INVESTIGATE MANUALY! // E-mail admin or alert user } } fclose ($fp); } I have added a line, this is the header before it is sent: Host: www.sandbox.paypal.com POST /cgi-bin/webscr HTTP/1.0 Content-Type: application/x-www-form-urlencoded Content-Length: 1096 php paypal paypal-ipn share|improve this question edited Aug 4 '12 at 19:47 asked Aug 4 '12 at 16:55 user1576375 83116 add a comment| 6 Answers 6 active oldest votes up vote 40 down vote accepted Since you're opening the socket yourself, rather than using an HTTP library such as curl, you need to add the HTTP Host header yourself just below the POST line. $header = "POST /cgi-bin/webscr HTTP/1.0\r\n"; $header .= "Host: www.sandbox.paypal.com\r\n"; share|improve this answer edited Sep 28 '13 at 10:02 Vladtn 5861815 answered Aug 4 '12 at 18:53 Michael Hampton 4,44532048 2 You sho
that make connections all over the world. Join today Download & Extend Drupal Core Distributions Modules Themes UbercartIssues IPN failed with HTTP error , code 0. Closed (won't fix)Project:UbercartVersion:6.x-2.x-devComponent:PaymentPriority:NormalCategory:Support requestAssigned:UnassignedReporter:jantonCreated:January 3, 2013 - 10:26Updated:May 31, 2016 - 20:20 Log in or register to update this issue Jump to:Most recent comment Dear Users, I noticed something strange lately, I have had 2 payments this week with paypal that did not complete. (but they are transfered correctly to my business paypal account, so the user payed correct.) I checked the log and i see the following message: Type uc_paypal Date Wednesday, January 2, 2013 - 22:54 User Anonymous Location https://www.mydomainhere.com/uc_paypal/ipn/70150 Referrer Message IPN failed with HTTP error , code 0. Severity http://stackoverflow.com/questions/11810344/paypal-ipn-bad-request-400-error error Hostname 173.0.81.1 I never had this before.. any idee? This happend suddenly, normally all paypal payments go well, i normally have around 10-20 payments with paypal a day, i didn't change anything on my VPS and i checked my firewall and can't find any issues. (to make it clear, all payments go still well... but this error happends ±1 time a day, because it happend in 2 days 2 times.) Comments Comment #1 longwave CreditAttribution: longwave commented https://www.drupal.org/node/1878688 January 3, 2013 at 3:41pm Status: Active » Postponed (maintainer needs more info) "IPN failed with HTTP error , code 0." means that drupal_http_request() reported an error, and the error code was 0 - which isn't a valid HTTP error code. This shouldn't happen in normal operation, and I am not sure why it happened here, nor why it works for you most of the time. Are there any other errors recorded in the log around the same time? Log in or register to post comments Comment #2 JamesOakley CreditAttribution: JamesOakley commented January 5, 2013 at 7:21am I just had this happen to me once. @janton - what version of PHP are you using? The only server configuration change that I made recently is to upgrade from PHP 5.3 to PHP 5.4. Any explanation still leaves the erratic nature of the error in need of explanation, but it's the only change I can think of. Log in or register to post comments Comment #3 longwave CreditAttribution: longwave commented January 22, 2013 at 9:07am Status: Postponed (maintainer needs more info) » Closed (cannot reproduce) If anyone can reproduce this, please reopen with more information - but I am not sure what we can do about it, it would appear to be either server specific or an issue at PayPal's end. Log in or register to post comments Comment #4 jamestamr C
that make connections all over the world. Join today Community Community Home Getting Involved Chat Forum SupportPost installation IPN error Posted by https://www.drupal.org/node/2727793 TimToronto on May 17, 2016 at 5:02pm Hello - I'm trying to http://community.ebay.com/t5/Archive-PayPal/Does-papal-sandbox-ipn-simulator-work/td-p/2878545 set up Ubercart with PayPal Sandbox for the first time. Everything seemed to be going smoothly except for when it comes to the IPN and the order status updating properly when an order is complete. I checked my logs and I see that the IPN seems bad request to be coming through: uc_paypal 2016-05-17 12:41 Receiving IPN at URL for order 4. Array... Anonymous (not verified) And if I check the array it has [payment_status] => Completed But that is immediately followed by: uc_paypal 2016-05-17 12:41 IPN failed with HTTP error Bad Request, code 400. Anonymous (not verified) If someone could point me in the ipn delivery failed. right direction that would be super helpful! Thank you. Log in or register to post comments ⋅ Categories: Drupal 7.x Comments I've got exactly the same jeff.logan commented May 18, 2016 at 12:20pm I've got exactly the same issue, so currently trying to debug this. Will let you know if I find anything to help you. Log in or register to post comments I believe the issue is jeff.logan commented May 18, 2016 at 7:01pm I believe the issue is related to the changes Paypal are doing to move to using HTTP1.1 and TLS. With some of the changes all ready present on the Paypal sandbox, but not yet live. I have been able to see a successful response to the IPN, if I use the module cURL HTTP Request, and create a custom paypal payment module, which replaces the drupal_http_header function with the module function chr_curl_http_request (this deals with the HTTP1.1 requirement). The function call to chr_curl_http_request should also add curl options to specify the SSL version ie CURLOPT_SSLVERSION =>
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