Fix long credentials when using auth in url.el

* lisp/url/url-auth.el (url-basic-auth): When base64-ing
credentials, don't let bsae64-encode-string split the result into
several lines, because servers do not understand that (bug#36619).

1 files changed, 4 insertions, 3 deletions

diff --git a/lisp/url/url-auth.el b/lisp/url/url-auth.el
index beed7c6cb62..b78544e3f37 100644
--- a/lisp/url/url-auth.el
+++ b/lisp/url/url-auth.el
@@ -82,7 +82,7 @@ instead of the filename inheritance method."
     (cond
      ((and user pass)
       ;; Explicit http://user:pass@foo/ URL.  Just return the credentials.
-      (setq retval (base64-encode-string (format "%s:%s" user pass))))
+      (setq retval (base64-encode-string (format "%s:%s" user pass) t)))
      ((and prompt (not byserv))
       (setq user (or
                   (url-do-auth-source-search server type :user)
@@ -97,7 +97,8 @@ instead of the filename inheritance method."
                              (setq retval
                                    (base64-encode-string
                                     (format "%s:%s" user
-                                            (encode-coding-string pass 'utf-8))))))
+                                            (encode-coding-string pass 'utf-8))
+                                    t))))
                  (symbol-value url-basic-auth-storage))))
      (byserv
       (setq retval (cdr-safe (assoc file byserv)))
@@ -120,7 +121,7 @@ instead of the filename inheritance method."
                   pass (or
                         (url-do-auth-source-search server type :secret)
                         (read-passwd "Password: "))
-                  retval (base64-encode-string (format "%s:%s" user pass))
+                  retval (base64-encode-string (format "%s:%s" user pass) t)
                   byserv (assoc server (symbol-value url-basic-auth-storage)))
             (setcdr byserv
                     (cons (cons file retval) (cdr byserv))))))