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-rw-r--r--src/libpiano/response.c179
1 files changed, 105 insertions, 74 deletions
diff --git a/src/libpiano/response.c b/src/libpiano/response.c
index 8b6ed52..e37824e 100644
--- a/src/libpiano/response.c
+++ b/src/libpiano/response.c
@@ -1,5 +1,5 @@
/*
-Copyright (c) 2008-2013
+Copyright (c) 2008-2017
Lars-Dominik Braun <lars@6xq.net>
Permission is hereby granted, free of charge, to any person obtaining a copy
@@ -34,16 +34,34 @@ THE SOFTWARE.
#include "crypt.h"
static char *PianoJsonStrdup (json_object *j, const char *key) {
- return strdup (json_object_get_string (json_object_object_get (j, key)));
+ assert (j != NULL);
+ assert (key != NULL);
+
+ json_object *v;
+ if (json_object_object_get_ex (j, key, &v)) {
+ return strdup (json_object_get_string (v));
+ } else {
+ return NULL;
+ }
+}
+
+static bool getBoolDefault (json_object * const j, const char * const key, const bool def) {
+ assert (j != NULL);
+ assert (key != NULL);
+
+ json_object *v;
+ if (json_object_object_get_ex (j, key, &v)) {
+ return json_object_get_boolean (v);
+ } else {
+ return def;
+ }
}
static void PianoJsonParseStation (json_object *j, PianoStation_t *s) {
s->name = PianoJsonStrdup (j, "stationName");
s->id = PianoJsonStrdup (j, "stationToken");
- s->isCreator = !json_object_get_boolean (json_object_object_get (j,
- "isShared"));
- s->isQuickMix = json_object_get_boolean (json_object_object_get (j,
- "isQuickMix"));
+ s->isCreator = !getBoolDefault (j, "isShared", !false);
+ s->isQuickMix = getBoolDefault (j, "isQuickMix", false);
}
/* concat strings
@@ -77,23 +95,22 @@ static void PianoStrpcat (char * restrict dest, const char * restrict src,
*/
PianoReturn_t PianoResponse (PianoHandle_t *ph, PianoRequest_t *req) {
PianoReturn_t ret = PIANO_RET_OK;
- json_object *j, *result, *status;
assert (ph != NULL);
assert (req != NULL);
- j = json_tokener_parse (req->responseData);
+ json_object * const j = json_tokener_parse (req->responseData);
- status = json_object_object_get (j, "stat");
- if (status == NULL) {
- json_object_put (j);
- return PIANO_RET_INVALID_RESPONSE;
+ json_object *status;
+ if (!json_object_object_get_ex (j, "stat", &status)) {
+ ret = PIANO_RET_INVALID_RESPONSE;
+ goto cleanup;
}
/* error handling */
if (strcmp (json_object_get_string (status), "ok") != 0) {
- json_object *code = json_object_object_get (j, "code");
- if (code == NULL) {
+ json_object *code;
+ if (!json_object_object_get_ex (j, "code", &code)) {
ret = PIANO_RET_INVALID_RESPONSE;
} else {
ret = json_object_get_int (code)+PIANO_RET_OFFSET;
@@ -110,11 +127,12 @@ PianoReturn_t PianoResponse (PianoHandle_t *ph, PianoRequest_t *req) {
}
}
- json_object_put (j);
- return ret;
+ goto cleanup;
}
- result = json_object_object_get (j, "result");
+ json_object *result = NULL;
+ /* missing for some request types */
+ json_object_object_get_ex (j, "result", &result);
switch (req->type) {
case PIANO_REQUEST_LOGIN: {
@@ -127,8 +145,14 @@ PianoReturn_t PianoResponse (PianoHandle_t *ph, PianoRequest_t *req) {
switch (reqData->step) {
case 0: {
/* decrypt timestamp */
- const char * const cryptedTimestamp = json_object_get_string (
- json_object_object_get (result, "syncTime"));
+ json_object *jsonTimestamp;
+ if (!json_object_object_get_ex (result, "syncTime", &jsonTimestamp)) {
+ ret = PIANO_RET_INVALID_RESPONSE;
+ break;
+ }
+ assert (jsonTimestamp != NULL);
+ const char * const cryptedTimestamp = json_object_get_string (jsonTimestamp);
+ assert (cryptedTimestamp != NULL);
const time_t realTimestamp = time (NULL);
char *decryptedTimestamp = NULL;
size_t decryptedSize;
@@ -148,8 +172,12 @@ PianoReturn_t PianoResponse (PianoHandle_t *ph, PianoRequest_t *req) {
/* get auth token */
ph->partner.authToken = PianoJsonStrdup (result,
"partnerAuthToken");
- ph->partner.id = json_object_get_int (
- json_object_object_get (result, "partnerId"));
+ json_object *partnerId;
+ if (!json_object_object_get_ex (result, "partnerId", &partnerId)) {
+ ret = PIANO_RET_INVALID_RESPONSE;
+ break;
+ }
+ ph->partner.id = json_object_get_int (partnerId);
++reqData->step;
break;
}
@@ -172,8 +200,11 @@ PianoReturn_t PianoResponse (PianoHandle_t *ph, PianoRequest_t *req) {
/* get stations */
assert (req->responseData != NULL);
- json_object *stations = json_object_object_get (result,
- "stations"), *mix = NULL;
+ json_object *stations, *mix = NULL;
+
+ if (!json_object_object_get_ex (result, "stations", &stations)) {
+ break;
+ }
for (int i = 0; i < json_object_array_length (stations); i++) {
PianoStation_t *tmpStation;
@@ -187,7 +218,7 @@ PianoReturn_t PianoResponse (PianoHandle_t *ph, PianoRequest_t *req) {
if (tmpStation->isQuickMix) {
/* fix flags on other stations later */
- mix = json_object_object_get (s, "quickMixStationIds");
+ json_object_object_get_ex (s, "quickMixStationIds", &mix);
}
/* start new linked list or append */
@@ -219,7 +250,10 @@ PianoReturn_t PianoResponse (PianoHandle_t *ph, PianoRequest_t *req) {
assert (reqData != NULL);
assert (reqData->quality != PIANO_AQ_UNKNOWN);
- json_object *items = json_object_object_get (result, "items");
+ json_object *items = NULL;
+ if (!json_object_object_get_ex (result, "items", &items)) {
+ break;
+ }
assert (items != NULL);
for (int i = 0; i < json_object_array_length (items); i++) {
@@ -230,7 +264,7 @@ PianoReturn_t PianoResponse (PianoHandle_t *ph, PianoRequest_t *req) {
return PIANO_RET_OUT_OF_MEMORY;
}
- if (json_object_object_get (s, "artistName") == NULL) {
+ if (!json_object_object_get_ex (s, "artistName", NULL)) {
free (song);
continue;
}
@@ -240,15 +274,15 @@ PianoReturn_t PianoResponse (PianoHandle_t *ph, PianoRequest_t *req) {
"highQuality"};
assert (reqData->quality < sizeof (qualityMap)/sizeof (*qualityMap));
static const char *formatMap[] = {"", "aacplus", "mp3"};
- json_object *map = json_object_object_get (s, "audioUrlMap");
- assert (map != NULL);
- if (map != NULL) {
- map = json_object_object_get (map, qualityMap[reqData->quality]);
-
- if (map != NULL) {
- const char *encoding = json_object_get_string (
- json_object_object_get (map, "encoding"));
+ json_object *umap;
+ if (json_object_object_get_ex (s, "audioUrlMap", &umap)) {
+ assert (umap != NULL);
+ json_object *jsonEncoding, *qmap;
+ if (json_object_object_get_ex (umap, qualityMap[reqData->quality], &qmap) &&
+ json_object_object_get_ex (qmap, "encoding", &jsonEncoding)) {
+ assert (qmap != NULL);
+ const char *encoding = json_object_get_string (jsonEncoding);
assert (encoding != NULL);
for (size_t k = 0; k < sizeof (formatMap)/sizeof (*formatMap); k++) {
if (strcmp (formatMap[k], encoding) == 0) {
@@ -256,7 +290,7 @@ PianoReturn_t PianoResponse (PianoHandle_t *ph, PianoRequest_t *req) {
break;
}
}
- song->audioUrl = PianoJsonStrdup (map, "audioUrl");
+ song->audioUrl = PianoJsonStrdup (qmap, "audioUrl");
} else {
/* requested quality is not available */
ret = PIANO_RET_QUALITY_UNAVAILABLE;
@@ -266,6 +300,7 @@ PianoReturn_t PianoResponse (PianoHandle_t *ph, PianoRequest_t *req) {
}
}
+ json_object *v;
song->artist = PianoJsonStrdup (s, "artistName");
song->album = PianoJsonStrdup (s, "albumName");
song->title = PianoJsonStrdup (s, "songName");
@@ -273,12 +308,12 @@ PianoReturn_t PianoResponse (PianoHandle_t *ph, PianoRequest_t *req) {
song->stationId = PianoJsonStrdup (s, "stationId");
song->coverArt = PianoJsonStrdup (s, "albumArtUrl");
song->detailUrl = PianoJsonStrdup (s, "songDetailUrl");
- song->fileGain = (float)json_object_get_double (
- json_object_object_get (s, "trackGain"));
- song->length = json_object_get_int (
- json_object_object_get (s, "trackLength"));
- switch (json_object_get_int (json_object_object_get (s,
- "songRating"))) {
+ song->fileGain = json_object_object_get_ex (s, "trackGain", &v) ?
+ (float)json_object_get_double (v) : 0.0f;
+ song->length = json_object_object_get_ex (s, "trackLength", &v) ?
+ json_object_get_int (v) : 0;
+ switch (json_object_object_get_ex (s, "songRating", &v) ?
+ json_object_get_int (v) : 0) {
case 1:
song->rating = PIANO_RATE_LOVE;
break;
@@ -340,8 +375,8 @@ PianoReturn_t PianoResponse (PianoHandle_t *ph, PianoRequest_t *req) {
memset (searchResult, 0, sizeof (*searchResult));
/* get artists */
- json_object *artists = json_object_object_get (result, "artists");
- if (artists != NULL) {
+ json_object *artists;
+ if (json_object_object_get_ex (result, "artists", &artists)) {
for (int i = 0; i < json_object_array_length (artists); i++) {
json_object *a = json_object_array_get_idx (artists, i);
PianoArtist_t *artist;
@@ -359,8 +394,8 @@ PianoReturn_t PianoResponse (PianoHandle_t *ph, PianoRequest_t *req) {
}
/* get songs */
- json_object *songs = json_object_object_get (result, "songs");
- if (songs != NULL) {
+ json_object *songs;
+ if (json_object_object_get_ex (result, "songs", &songs)) {
for (int i = 0; i < json_object_array_length (songs); i++) {
json_object *s = json_object_array_get_idx (songs, i);
PianoSong_t *song;
@@ -414,8 +449,8 @@ PianoReturn_t PianoResponse (PianoHandle_t *ph, PianoRequest_t *req) {
case PIANO_REQUEST_GET_GENRE_STATIONS: {
/* get genre stations */
- json_object *categories = json_object_object_get (result, "categories");
- if (categories != NULL) {
+ json_object *categories;
+ if (json_object_object_get_ex (result, "categories", &categories)) {
for (int i = 0; i < json_object_array_length (categories); i++) {
json_object *c = json_object_array_get_idx (categories, i);
PianoGenreCategory_t *tmpGenreCategory;
@@ -429,9 +464,8 @@ PianoReturn_t PianoResponse (PianoHandle_t *ph, PianoRequest_t *req) {
"categoryName");
/* get genre subnodes */
- json_object *stations = json_object_object_get (c,
- "stations");
- if (stations != NULL) {
+ json_object *stations;
+ if (json_object_object_get_ex (c, "stations", &stations)) {
for (int k = 0;
k < json_object_array_length (stations); k++) {
json_object *s =
@@ -480,9 +514,8 @@ PianoReturn_t PianoResponse (PianoHandle_t *ph, PianoRequest_t *req) {
assert (reqData != NULL);
- json_object *explanations = json_object_object_get (result,
- "explanations");
- if (explanations != NULL) {
+ json_object *explanations;
+ if (json_object_object_get_ex (result, "explanations", &explanations)) {
reqData->retExplain = malloc (strSize *
sizeof (*reqData->retExplain));
strncpy (reqData->retExplain, "We're playing this track "
@@ -490,9 +523,11 @@ PianoReturn_t PianoResponse (PianoHandle_t *ph, PianoRequest_t *req) {
for (int i = 0; i < json_object_array_length (explanations); i++) {
json_object *e = json_object_array_get_idx (explanations,
i);
- const char *s = json_object_get_string (
- json_object_object_get (e, "focusTraitName"));
-
+ json_object *f;
+ if (!json_object_object_get_ex (e, "focusTraitName", &f)) {
+ continue;
+ }
+ const char *s = json_object_get_string (f);
PianoStrpcat (reqData->retExplain, s, strSize);
if (i < json_object_array_length (explanations)-2) {
PianoStrpcat (reqData->retExplain, ", ", strSize);
@@ -511,8 +546,8 @@ PianoReturn_t PianoResponse (PianoHandle_t *ph, PianoRequest_t *req) {
assert (settings != NULL);
- settings->explicitContentFilter = json_object_get_boolean (
- json_object_object_get (result, "isExplicitContentFilterEnabled"));
+ settings->explicitContentFilter = getBoolDefault (result,
+ "isExplicitContentFilterEnabled", false);
settings->username = PianoJsonStrdup (result, "username");
break;
}
@@ -528,11 +563,11 @@ PianoReturn_t PianoResponse (PianoHandle_t *ph, PianoRequest_t *req) {
assert (info != NULL);
/* parse music seeds */
- json_object *music = json_object_object_get (result, "music");
- if (music != NULL) {
+ json_object *music;
+ if (json_object_object_get_ex (result, "music", &music)) {
/* songs */
- json_object *songs = json_object_object_get (music, "songs");
- if (songs != NULL) {
+ json_object *songs;
+ if (json_object_object_get_ex (music, "songs", &songs)) {
for (int i = 0; i < json_object_array_length (songs); i++) {
json_object *s = json_object_array_get_idx (songs, i);
PianoSong_t *seedSong;
@@ -552,9 +587,8 @@ PianoReturn_t PianoResponse (PianoHandle_t *ph, PianoRequest_t *req) {
}
/* artists */
- json_object *artists = json_object_object_get (music,
- "artists");
- if (artists != NULL) {
+ json_object *artists;
+ if (json_object_object_get_ex (music, "artists", &artists)) {
for (int i = 0; i < json_object_array_length (artists); i++) {
json_object *a = json_object_array_get_idx (artists, i);
PianoArtist_t *seedArtist;
@@ -574,14 +608,12 @@ PianoReturn_t PianoResponse (PianoHandle_t *ph, PianoRequest_t *req) {
}
/* parse feedback */
- json_object *feedback = json_object_object_get (result,
- "feedback");
- if (feedback != NULL) {
+ json_object *feedback;
+ if (json_object_object_get_ex (result, "feedback", &feedback)) {
static const char * const keys[] = {"thumbsUp", "thumbsDown"};
for (size_t i = 0; i < sizeof (keys)/sizeof (*keys); i++) {
- json_object * const val = json_object_object_get (feedback,
- keys[i]);
- if (val == NULL) {
+ json_object *val;
+ if (!json_object_object_get_ex (feedback, keys[i], &val)) {
continue;
}
assert (json_object_is_type (val, json_type_array));
@@ -599,9 +631,8 @@ PianoReturn_t PianoResponse (PianoHandle_t *ph, PianoRequest_t *req) {
"artistName");
feedbackSong->feedbackId = PianoJsonStrdup (s,
"feedbackId");
- feedbackSong->rating = json_object_get_boolean (
- json_object_object_get (s, "isPositive")) ?
- PIANO_RATE_LOVE : PIANO_RATE_BAN;
+ feedbackSong->rating = getBoolDefault (s, "isPositive",
+ false) ? PIANO_RATE_LOVE : PIANO_RATE_BAN;
info->feedback = PianoListAppendP (info->feedback,
feedbackSong);
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-25 07:24:34 +0000