Add feature to change Pandora settings

Currently exposed settings: Username, password and explicit content
filter. New key for settings is ‘!’, changeable with “act_settings”.

Fixes issues #524 and #506.

3 files changed, 72 insertions, 0 deletions

diff --git a/src/libpiano/piano.h b/src/libpiano/piano.h
index 28a2b45..f0ba4cf 100644
--- a/src/libpiano/piano.h
+++ b/src/libpiano/piano.h
@@ -148,6 +148,11 @@ typedef struct {
 	PianoSong_t *feedback;
 } PianoStationInfo_t;
 
+typedef struct {
+	char *username;
+	bool explicitContentFilter;
+} PianoSettings_t;
+
 typedef enum {
 	/* 0 is reserved: memset (x, 0, sizeof (x)) */
 	PIANO_REQUEST_LOGIN = 1,
@@ -170,6 +175,8 @@ typedef enum {
 	PIANO_REQUEST_GET_STATION_INFO = 20,
 	PIANO_REQUEST_DELETE_FEEDBACK = 21,
 	PIANO_REQUEST_DELETE_SEED = 22,
+	PIANO_REQUEST_GET_SETTINGS = 23,
+	PIANO_REQUEST_CHANGE_SETTINGS = 24,
 } PianoRequestType_t;
 
 typedef struct PianoRequest {
@@ -245,6 +252,18 @@ typedef struct {
 	PianoStation_t *station;
 } PianoRequestDataDeleteSeed_t;
 
+typedef enum {
+	PIANO_UNDEFINED = 0,
+	PIANO_FALSE = 1,
+	PIANO_TRUE = 2,
+} PianoTristate_t;
+
+typedef struct {
+	char *currentUsername, *newUsername;
+	char *currentPassword, *newPassword;
+	PianoTristate_t explicitContentFilter;
+} PianoRequestDataChangeSettings_t;
+
 /* pandora error code offset */
 #define PIANO_RET_OFFSET 1024
 typedef enum {
diff --git a/src/libpiano/request.c b/src/libpiano/request.c
index cad0907..95ac2d0 100644
--- a/src/libpiano/request.c
+++ b/src/libpiano/request.c
@@ -402,6 +402,47 @@ PianoReturn_t PianoRequest (PianoHandle_t *ph, PianoRequest_t *req,
 			break;
 		}
 
+		case PIANO_REQUEST_GET_SETTINGS: {
+			method = "user.getSettings";
+			break;
+		}
+
+		case PIANO_REQUEST_CHANGE_SETTINGS: {
+			PianoRequestDataChangeSettings_t *reqData = req->data;
+			assert (reqData != NULL);
+			assert (reqData->currentPassword != NULL);
+			assert (reqData->currentUsername != NULL);
+
+			json_object_object_add (j, "userInitiatedChange",
+					json_object_new_boolean (true));
+			json_object_object_add (j, "currentUsername",
+					json_object_new_string (reqData->currentUsername));
+			json_object_object_add (j, "currentPassword",
+					json_object_new_string (reqData->currentPassword));
+
+			if (reqData->explicitContentFilter != PIANO_UNDEFINED) {
+				json_object_object_add (j, "isExplicitContentFilterEnabled",
+						json_object_new_boolean (
+						reqData->explicitContentFilter == PIANO_TRUE));
+			}
+
+#define changeIfSet(field) \
+	if (reqData->field != NULL) { \
+		json_object_object_add (j, #field, \
+				json_object_new_string (reqData->field)); \
+	}
+
+			changeIfSet (newUsername);
+			changeIfSet (newPassword);
+
+#undef changeIfSet
+
+			req->secure = true;
+
+			method = "user.changeSettings";
+			break;
+		}
+
 		/* "high-level" wrapper */
 		case PIANO_REQUEST_RATE_SONG: {
 			/* love/ban song */
diff --git a/src/libpiano/response.c b/src/libpiano/response.c
index b530f3a..542ef00 100644
--- a/src/libpiano/response.c
+++ b/src/libpiano/response.c
@@ -411,6 +411,7 @@ PianoReturn_t PianoResponse (PianoHandle_t *ph, PianoRequest_t *req) {
 		case PIANO_REQUEST_BOOKMARK_ARTIST:
 		case PIANO_REQUEST_DELETE_FEEDBACK:
 		case PIANO_REQUEST_DELETE_SEED:
+		case PIANO_REQUEST_CHANGE_SETTINGS:
 			/* response unused */
 			break;
 
@@ -508,6 +509,17 @@ PianoReturn_t PianoResponse (PianoHandle_t *ph, PianoRequest_t *req) {
 			break;
 		}
 
+		case PIANO_REQUEST_GET_SETTINGS: {
+			PianoSettings_t * const settings = req->data;
+
+			assert (settings != NULL);
+
+			settings->explicitContentFilter = json_object_get_boolean (
+					json_object_object_get (result, "isExplicitContentFilterEnabled"));
+			settings->username = PianoJsonStrdup (result, "username");
+			break;
+		}
+
 		case PIANO_REQUEST_GET_STATION_INFO: {
 			/* get station information (seeds and feedback) */
 			PianoRequestDataGetStationInfo_t *reqData = req->data;