From 95933156a6d477460a20225209f556208702d55e Mon Sep 17 00:00:00 2001
From: Marcello Stanisci <stanisci.m@gmail.com>
Date: Thu, 16 May 2019 16:58:09 +0200
Subject: Fix compression.

The "Content-Encoding: deflate" header is now added from
within the compression routine itself, and _not_ from the
"exchange handle".

This fixed the bank-lib functions as those do not use any
exchange handle, and therefore were wrongly sending compressed
bodies without adding the mentioned HTTP header.
---
 src/lib/exchange_api_handle.c | 6 ------
 src/lib/teah_common.c         | 4 ++++
 src/lib/teah_common.h         | 6 +++++-
 3 files changed, 9 insertions(+), 7 deletions(-)

(limited to 'src/lib')

diff --git a/src/lib/exchange_api_handle.c b/src/lib/exchange_api_handle.c
index 760c12788..fbff68d1b 100644
--- a/src/lib/exchange_api_handle.c
+++ b/src/lib/exchange_api_handle.c
@@ -1784,12 +1784,6 @@ TALER_EXCHANGE_connect
   GNUNET_break (GNUNET_OK ==
 		GNUNET_CURL_append_header (ctx,
 					   "Expect:"));
-#if COMPRESS_BODIES
-  /* Tell exchange we compress bodies */
-  GNUNET_break (GNUNET_OK ==
-		GNUNET_CURL_append_header (ctx,
-                                   "Content-Encoding: deflate"));
-#endif
   exchange = GNUNET_new (struct TALER_EXCHANGE_Handle);
   exchange->ctx = ctx;
   exchange->url = GNUNET_strdup (url);
diff --git a/src/lib/teah_common.c b/src/lib/teah_common.c
index 8f994ef36..1cbe9df78 100644
--- a/src/lib/teah_common.c
+++ b/src/lib/teah_common.c
@@ -78,6 +78,10 @@ TEAH_curl_easy_post (struct TEAH_PostContext *ctx,
     slen = (size_t) cbuf_size;
     ctx->json_enc = (char *) cbuf;
   }
+  GNUNET_assert
+  (NULL != (ctx->headers = curl_slist_append
+    (ctx->headers,
+     "Content-Encoding: deflate")));
 #else
   ctx->json_enc = str;
 #endif
diff --git a/src/lib/teah_common.h b/src/lib/teah_common.h
index 66937a261..c72311850 100644
--- a/src/lib/teah_common.h
+++ b/src/lib/teah_common.h
@@ -30,7 +30,7 @@
 /**
  * Should we compress PUT/POST bodies with 'deflate' encoding?
  */
-#define COMPRESS_BODIES 0
+#define COMPRESS_BODIES 1
 
 /**
  * State used for #TEAL_curl_easy_post() and
@@ -43,6 +43,10 @@ struct TEAH_PostContext
    */
   char *json_enc;
 
+  /**
+   * Custom headers.
+   */
+  struct curl_slist *headers;
 };
 
 
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