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authorMichał Cichoń <michcic@gmail.com>2015-08-26 19:12:42 +0200
committerMichał Cichoń <michcic@gmail.com>2015-08-26 19:12:42 +0200
commitec8b31516e7f18dba73fcdf212b0353ddbef97f9 (patch)
tree017bfdc0033f5f81e5f7bfdb6f40f5e57e0c0e6f /src/libpiano
parentc5e1037fae5f11c2ae1b50c8e277f52bf91782c5 (diff)
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libpiano: Drop use of curl
Add routine to escape authorization token to match what pandora.com expects. libcurl isn't necessary for this job.
Diffstat (limited to 'src/libpiano')
-rw-r--r--src/libpiano/request.c59
1 files changed, 48 insertions, 11 deletions
diff --git a/src/libpiano/request.c b/src/libpiano/request.c
index a97abb5..5d499af 100644
--- a/src/libpiano/request.c
+++ b/src/libpiano/request.c
@@ -23,15 +23,58 @@ THE SOFTWARE.
#include "../config.h"
-#include <curl/curl.h>
#include <json/json.h>
#include <assert.h>
#include <stdio.h>
#include <string.h>
+#include <time.h>
#include "piano.h"
#include "crypt.h"
+static char* PianoEncodeAuthToken(const char* token)
+{
+ /* Pandora expects '+' and '=' to be escaped. */
+ const char* allowed = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789-~._";
+ const char* hex = "0123456789ABCDEF";
+
+ size_t i, tokenSize, resultSize, resultCapacity;
+ char* result;
+
+ tokenSize = strlen(token);
+ resultSize = 0;
+ resultCapacity = tokenSize * 3 / 2;
+ result = malloc(resultCapacity);
+ for (i = 0; i < tokenSize; ++i) {
+ char cp = token[i];
+
+ int c = (strchr(allowed, cp) != NULL) ? 1 : 3;
+
+ if (resultSize + c >= resultCapacity) {
+ resultCapacity = resultCapacity * 3 / 2;
+ result = realloc(result, resultCapacity);
+ }
+
+ if (c == 1) {
+ result[resultSize++] = cp;
+ }
+ else {
+ result[resultSize++] = '%';
+ result[resultSize++] = hex[(cp >> 4) & 0x0F];
+ result[resultSize++] = hex[(cp >> 0) & 0x0F];
+ }
+ }
+
+ if (resultSize + 1 >= resultCapacity) {
+ resultCapacity = resultSize + 1;
+ result = realloc(result, resultCapacity);
+ }
+
+ result[resultSize] = 0;
+
+ return result;
+}
+
/* prepare piano request (initializes request type, urlpath and postData)
* @param piano handle
* @param request structure
@@ -96,16 +139,13 @@ PianoReturn_t PianoRequest (PianoHandle_t *ph, PianoRequest_t *req,
json_object_object_add (j, "syncTime",
json_object_new_int64 (timestamp));
- CURL * const curl = curl_easy_init ();
- urlencAuthToken = curl_easy_escape (curl,
- ph->partner.authToken, 0);
+ urlencAuthToken = PianoEncodeAuthToken (ph->partner.authToken);
assert (urlencAuthToken != NULL);
snprintf (req->urlPath, sizeof (req->urlPath),
PIANO_RPC_PATH "method=auth.userLogin&"
"auth_token=%s&partner_id=%i", urlencAuthToken,
ph->partner.id);
- curl_free (urlencAuthToken);
- curl_easy_cleanup (curl);
+ free (urlencAuthToken);
break;
}
@@ -472,17 +512,14 @@ PianoReturn_t PianoRequest (PianoHandle_t *ph, PianoRequest_t *req,
assert (ph->user.authToken != NULL);
- CURL * const curl = curl_easy_init ();
- urlencAuthToken = curl_easy_escape (curl,
- ph->user.authToken, 0);
+ urlencAuthToken = PianoEncodeAuthToken (ph->user.authToken);
assert (urlencAuthToken != NULL);
snprintf (req->urlPath, sizeof (req->urlPath), PIANO_RPC_PATH
"method=%s&auth_token=%s&partner_id=%i&user_id=%s", method,
urlencAuthToken, ph->partner.id, ph->user.listenerId);
- curl_free (urlencAuthToken);
- curl_easy_cleanup (curl);
+ free (urlencAuthToken);
json_object_object_add (j, "userAuthToken",
json_object_new_string (ph->user.authToken));