Added missing files to repo

13 files changed, 3331 insertions, 0 deletions

diff --git a/libpiano/Makefile.am b/libpiano/Makefile.am
new file mode 100644
index 0000000..e74d442
--- /dev/null
+++ b/libpiano/Makefile.am
@@ -0,0 +1,6 @@
+lib_LTLIBRARIES = libpiano.la
+
+libpiano_la_SOURCES = crypt.c http.c main.c xml.c const.h crypt.h crypt_key_input.h crypt_key_output.h http.h main.h xml.h
+include_HEADERS = piano.h
+libpiano_la_CPPFLAGS = ${LIBCURL_CFLAGS} ${LIBXML_CFLAGS}
+libpiano_la_LIBADD = ${LIBCURL_LIBS} ${LIBXML_LIBS}
diff --git a/libpiano/const.h b/libpiano/const.h
new file mode 100644
index 0000000..dfaca1f
--- /dev/null
+++ b/libpiano/const.h
@@ -0,0 +1,35 @@
+/*
+Copyright (c) 2008 Lars-Dominik Braun
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+
+#ifndef _CONST_H
+#define _CONST_H
+
+/* constants */
+
+
+#define PIANO_USERAGENT "Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9pre) Gecko/2008051115 Firefox/3.0pre"
+#define PIANO_RPC_URL "http://www.pandora.com/radio/xmlrpc/v19?"
+#define PIANO_SECURE_RPC_URL "https://www.pandora.com/radio/xmlrpc/v19?"
+#define PIANO_URL_BUFFER_SIZE 1024
+#define PIANO_HTTP_BUFFER_SIZE 100000
+
+#endif /* _CONST_H */
diff --git a/libpiano/crypt.c b/libpiano/crypt.c
new file mode 100644
index 0000000..396f61d
--- /dev/null
+++ b/libpiano/crypt.c
@@ -0,0 +1,283 @@
+/*
+Copyright (c) 2008 Lars-Dominik Braun
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "crypt_key_output.h"
+#include "crypt_key_input.h"
+
+/*	hex string to array of unsigned int values
+ *	@author PromyLOPh
+ *	@added 2008-06-01
+ *	@param hex string
+ *	@param return array
+ *	@param return size of array
+ *	@return nothing, yet
+ */
+void PianoHexToInts (char *strHex, unsigned int **retInts, size_t *retIntsN) {
+	size_t i;
+	char hexInt[9];
+	unsigned int *arrInts = calloc (strlen (strHex) / 8, sizeof (*arrInts));
+
+	/* FIXME: error handling: string too short, e.g. */
+	/* unsigned int = 4 bytes, 8 chars in hex */
+	for (i = 0; i < strlen (strHex); i += 8) {
+		memset (hexInt, 0, sizeof (hexInt));
+		memcpy (hexInt, strHex+i, sizeof (hexInt)-1);
+		sscanf (hexInt, "%x", &arrInts[i/8]);
+	}
+	*retInts = arrInts;
+	/* FIXME: copy & waste */
+	*retIntsN = strlen (strHex) / 8, sizeof (*arrInts);
+}
+
+/*	decipher int array; reverse engineered from pandora source
+ *	@author PromyLOPh
+ *	@author probably pandora?
+ *	@added 2008-06-01
+ *	@param decrypt-me
+ *	@param decrypt-me-length
+ *	@param return plain ints array
+ *	@return nothing, yet
+ */
+void PianoDecipherInts (unsigned int *cipherInts, size_t cipherIntsN,
+		unsigned int **retPlainInts) {
+	unsigned int *plainInts = calloc (cipherIntsN, sizeof (*plainInts));
+
+	size_t i;
+
+	for (i = 0; i < cipherIntsN; i += 2) {
+		unsigned int _loc2 = cipherInts [i];
+		unsigned int _loc3 = cipherInts [i+1];
+		unsigned int _loc6;
+		size_t n_count;
+
+		for (n_count = in_key_n + 1; n_count > 1; --n_count) {
+			_loc2 = _loc2 ^ in_key_p [n_count];
+			
+			unsigned int _loc4 = _loc2;
+			#if 0
+			unsigned short _loc8 = _loc4 & 0xff;
+			_loc4 = _loc4 >> 8;
+			unsigned short _loc9 = _loc4 & 0xff;
+			_loc4 = _loc4 >> 8;
+			unsigned short _loc10 = _loc4 & 0xff;
+			_loc4 = _loc4 >> 8;
+			unsigned short _loc11 = _loc4 & 0xff;
+			#endif
+			unsigned short _loc8 = _loc4 & 0xff;
+			unsigned short _loc9 = (_loc4 >> 8) & 0xff;
+			unsigned short _loc10 = (_loc4 >> 16) & 0xff;
+			unsigned short _loc11 = (_loc4 >> 24) & 0xff;
+			unsigned int _loc5 = in_key_s [0][_loc11] +
+					in_key_s [1][_loc10];
+			_loc5 = _loc5 ^ in_key_s [2][_loc9];
+			_loc5 = _loc5 + in_key_s [3][_loc8];
+			_loc3 = _loc3 ^ _loc5;
+			_loc6 = _loc2;
+			_loc2 = _loc3;
+			_loc3 = _loc6;
+		}
+		_loc6 = _loc2;
+		_loc2 = _loc3;
+		_loc3 = _loc6;
+		_loc3 = _loc3 ^ in_key_p [1];
+		_loc2 = _loc2 ^ in_key_p [0];
+		plainInts [i] = _loc2;
+		plainInts [i+1] = _loc3;
+	}
+	*retPlainInts = plainInts;
+}
+
+/*	int array to string
+ *	@author PromyLOPh
+ *	@added 2008-06-01
+ *	@param int array
+ *	@param length of array
+ *	@return the string
+ */
+char *PianoIntsToString (unsigned int *arrInts, size_t arrIntsN) {
+	char *strDecoded = calloc (arrIntsN * 4 + 1, sizeof (*strDecoded));
+	size_t i;
+
+	for (i = 0; i < arrIntsN; i++) {
+		snprintf (&strDecoded[i*4], arrIntsN * 4, "%c%c%c%c", ((arrInts[i] >> 24) & 0xff), ((arrInts[i] >> 16) & 0xff), ((arrInts[i] >> 8) & 0xff), ((arrInts[i] >> 0) & 0xff));
+	}
+	return strDecoded;
+}
+
+/*	decrypt hex-encoded string
+ *	@author PromyLOPh
+ *	@added 2008-06-01
+ *	@param hex string
+ *	@return decrypted string
+ */
+char *PianoDecryptString (char *strInput) {
+	unsigned int *cipherInts, *plainInts;
+	size_t cipherIntsN;
+	char *strDecrypted;
+
+	PianoHexToInts (strInput, &cipherInts, &cipherIntsN);
+	PianoDecipherInts (cipherInts, cipherIntsN, &plainInts);
+	strDecrypted = PianoIntsToString (plainInts, cipherIntsN);
+
+	free (cipherInts);
+	free (plainInts);
+
+	return strDecrypted;
+}
+
+/*	string to int array
+ *	@author PromyLOPh
+ *	@added 2008-06-02
+ *	@param the string, length % 8 needs to be 0
+ *	@param returns int array
+ *	@param returns size of int array
+ *	@return nothing
+ */
+void PianoBytesToInts (char *strInput, unsigned int **retArrInts,
+		size_t *retArrIntsN) {
+	size_t i, j, neededStrLen = strlen (strInput);
+	unsigned int *arrInts;
+	char shift;
+
+	/* blowfish encrypts two 4 byte blocks */
+	neededStrLen = strlen (strInput);
+	if (neededStrLen % 8 != 0) {
+		/* substract overhead and add full 8 byte block */
+		neededStrLen = neededStrLen - (neededStrLen % 8) + 8;
+	}
+	arrInts = calloc (neededStrLen / 4, sizeof (*arrInts));
+
+	/* we must not read beyond the end of the string, so be a bit
+	 * paranoid */
+	shift = 24;
+	i = 0;
+	j = 0;
+	while (i < strlen (strInput)) {
+		shift = 24;
+		while (shift >= 0 && i < strlen (strInput)) {
+			arrInts[i/4] |= strInput[i] << shift;
+			shift -= 8;
+			i++;
+		}
+	}
+	*retArrInts = arrInts;
+	*retArrIntsN = neededStrLen / 4;
+}
+
+/*	decipher ints; reverse engineered from pandora flash client
+ *	@author PromyLOPh
+ *	@author probably pandora?
+ *	@added 2008-06-07
+ *	@param encipher this
+ *	@param how many ints
+ *	@param returns crypted ints; memory is allocated by this function
+ *	@return nothing yet
+ */
+void PianoEncipherInts (unsigned int *plainInts, size_t plainIntsN,
+		unsigned int **retCipherInts) {
+	unsigned int *cipherInts = calloc (plainIntsN, sizeof (*cipherInts));
+	size_t i, _loc7;
+
+		for (i = 0; i < plainIntsN; i+=2) {
+			/* ++ encipher */
+			unsigned int _loc2 = plainInts [i];
+			unsigned int _loc3 = plainInts [i+1];
+			unsigned int _loc6;
+			
+			for (_loc7 = 0; _loc7 < out_key_n; _loc7++) {
+				_loc2 = _loc2 ^ out_key_p[_loc7];
+				unsigned int _loc4 = _loc2;
+				#if 0
+				unsigned int _loc8 = _loc4 & 0xff;
+				_loc4 >>= 8;
+				unsigned int _loc9 = _loc4 & 0xff;
+				_loc4 >>= 8;
+				unsigned int _loc10 = _loc4 & 0xff;
+				_loc4 >>= 8;
+				unsigned _loc11 = _loc4 & 0xff;
+				#endif
+				unsigned int _loc8 = _loc4 & 0xff;
+				unsigned int _loc9 = (_loc4 >> 8) & 0xff;
+				unsigned int _loc10 = (_loc4 >> 16) & 0xff;
+				unsigned _loc11 = (_loc4 >> 24) & 0xff;
+				unsigned int _loc5 = out_key_s[0][_loc11] +
+						out_key_s [1][_loc10];
+				_loc5 ^= out_key_s [2][_loc9];
+				_loc5 += out_key_s [3][_loc8];
+				_loc3 ^= _loc5;
+				_loc6 = _loc2;
+				_loc2 = _loc3;
+				_loc3 = _loc6;
+			}
+			_loc6 = _loc2;
+			_loc2 = _loc3;
+			_loc3 = _loc6;
+			_loc3 ^= out_key_p [out_key_n];
+			_loc2 ^= out_key_p [out_key_n+1];
+			cipherInts [i] = _loc2;
+			cipherInts [i+1] = _loc3;
+		}
+	*retCipherInts = cipherInts;
+}
+
+/*	int array to hex-encoded string
+ *	@author PromyLOPh
+ *	@added 2008-06-07
+ *	@param int array
+ *	@param size of array
+ *	@return string; memory is allocated here, don't forget to free it
+ */
+char *PianoIntsToHexString (unsigned int *arrInts, size_t arrIntsN) {
+	/* 4 bytes as hex (= 8 chars) */
+	char *hexStr = calloc (arrIntsN * 4 * 2 + 1, sizeof (*hexStr));
+	size_t i;
+
+	for (i = 0; i < arrIntsN; i++) {
+		snprintf (hexStr+i*4*2, arrIntsN * 4 * 2 + 1, "%08x", arrInts[i]);
+	}
+	return hexStr;
+}
+
+/*	blowfish-encrypt string; used before sending xml to server
+ *	@author PromyLOPh
+ *	@added 2008-06-07
+ *	@param encrypt this
+ *	@return encrypted, hex-encoded string
+ */
+char *PianoEncryptString (char *strInput) {
+	unsigned int *plainInts, *cipherInts;
+	size_t plainIntsN;
+	char *strHex;
+
+	PianoBytesToInts (strInput, &plainInts, &plainIntsN);
+	PianoEncipherInts (plainInts, plainIntsN, &cipherInts);
+	strHex = PianoIntsToHexString (cipherInts, plainIntsN);
+
+	free (plainInts);
+	free (cipherInts);
+
+	return strHex;
+}
diff --git a/libpiano/crypt.h b/libpiano/crypt.h
new file mode 100644
index 0000000..5b097f1
--- /dev/null
+++ b/libpiano/crypt.h
@@ -0,0 +1,29 @@
+/*
+Copyright (c) 2008 Lars-Dominik Braun
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+
+#ifndef _CRYPH_H
+#define _CRYPT_H
+
+char *PianoDecryptString (char *strInput);
+char *PianoEncryptString (char *strInput);
+
+#endif /* _CRYPT_H */
diff --git a/libpiano/crypt_key_input.h b/libpiano/crypt_key_input.h
new file mode 100644
index 0000000..101d382
--- /dev/null
+++ b/libpiano/crypt_key_input.h
@@ -0,0 +1,1071 @@
+/*
+Copyright (c) 2008 Lars-Dominik Braun
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+
+/* decryption key for audio urls; maybe a bit (is) wrong? */
+
+const unsigned int in_key_n = 16;
+
+static const unsigned long in_key_p [16 + 2] = {
+2296512344,
+484947285,
+143549968,
+244631162,
+2837862836,
+4220619567,
+3243088304,
+3951650136,
+2299087613,
+1520074566,
+158025345,
+411178977,
+2673524149,
+2453762392,
+3332626847,
+495515519,
+3311155458,
+682696847};
+
+static const unsigned long in_key_s [4][256] = {{
+2128658832,
+3697692759,
+569211301,
+3742887157,
+3467885802,
+2147119513,
+4192337968,
+3437898897,
+4016418030,
+2157619138,
+583117442,
+401727980,
+3072617582,
+4077876221,
+3671778389,
+2649329515,
+2640655243,
+2071373660,
+4085571303,
+3553863527,
+1133039616,
+3437126533,
+2490500932,
+3370401494,
+1573762703,
+2175142928,
+2392296103,
+3236551751,
+5067846,
+165858937,
+3228665328,
+743820206,
+3002649133,
+59643220,
+2417792365,
+3142818654,
+3427635772,
+933884315,
+3613996694,
+3618979812,
+2360591210,
+1682801625,
+1453625472,
+3456164020,
+879269100,
+328554126,
+2275316178,
+1272030676,
+2500712587,
+749073271,
+3896454727,
+4088023553,
+687999959,
+2469782053,
+3766986318,
+3451556060,
+1754326800,
+2344570827,
+1225379552,
+2644890178,
+4208616430,
+27004362,
+2596728114,
+3890571680,
+2829628313,
+2146575973,
+2604179370,
+875685754,
+3789988084,
+3710311422,
+429817720,
+2489171178,
+2417320237,
+2057030818,
+513667518,
+2609637543,
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+812728312,
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+702439720,
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+3196930194,
+3197964737,
+931629632},
+{3548148628,
+2211365680,
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diff --git a/libpiano/crypt_key_output.h b/libpiano/crypt_key_output.h
new file mode 100644
index 0000000..5bafaf5
--- /dev/null
+++ b/libpiano/crypt_key_output.h
@@ -0,0 +1,1076 @@
+/*
+Copyright (c) 2008 Lars-Dominik Braun
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+
+/* encryption key for xmlrpc */
+
+#ifndef _CRYPT_H
+#define _CRYPT_H
+
+const unsigned int out_key_n = 16;
+
+static const unsigned long out_key_p [16 + 2] = {
+1655854977,
+919004318,
+2043595880,
+23762164,
+-1305147675,
+-215967440,
+835493487, /* ! */
+261889135, /* ! */
+987405585,
+-122581809,
+8882411,
+875817828, /* ! */
+466417059,
+-544099275,
+-1525766406,
+-1945723444,
+536361814,
+-1487225158};
+
+static const unsigned long out_key_s [4][256] = {{
+-513813079,
+-765782257,
+183159219,
+-1365669178,
+1047088991,
+222171688,
+-2090853737,
+-765179426,
+997050138,
+-2057228390,
+-1628206499,
+-1408898308, /* ! */
+-588637121,
+1846207300,
+2065654413,
+-412282565, /* ! */
+-1421690766,
+1839083055,
+1892832522,
+-1919151611,
+-1767698857,
+1341672799,
+-255927541,
+726598137,
+1990634699,
+464663677,
+-904351607, /* ! */
+1970163162,
+-792713214,
+-475806450, /* 47 */
+1950400144,
+-262078895,
+-761022537,
+-667642993,
+312735385,
+-34426203,
+1832569587,
+-1684213010, /* ! */
+634837297,
+-1948396026,
+-604405134,
+-691056861,
+988289742,
+-1839385794,
+2062571691,
+297518815,
+-888607360,
+-511051809,
+701070684,
+-1998977035, /* ! */
+1553720912,
+-1604313120,
+-1754421883,
+1603596992, /* ! */
+1928276512,
+-943968281,
+1944528438,
+589172448,
+1447396119,
+694763397, /* ! */
+2082830654, /* ! */
+553534140,
+1553843344, /* ! */
+-1667538856,
+-2018018024,
+1501396120,
+1234751004,
+1067889147,
+-1123200064, /* ! */
+-2044106955,
+2086877862,
+1976886420,
+38662426,
+-104788291,
+-2117573866,
+663013564,
+-996232851, /* ! */
+1102290631, /* 95 */
+-740244768,
+-1151084003, /* ! */
+1942342365,
+-21446148,
+593950808, /* ! */
+-704678316,
+882519192,
+-1705861753,
+1535663280,
+-955682427,
+490241188,
+-2045390075,
+-1740044623, /* ! */
+-560660930, /* ! */
+-397891080,
+-646170301, /* ! */
+486316357,
+1043377519,
+-1352836022, /* ! */
+963270259,
+1208484782,
+-1946438033,
+-1672860695,
+-2047609127,
+-2066653853,
+882790375,
+-1651671083,
+-1390467297,
+947685781,
+943582655, /* ! */
+993804347,
+-669445900, /* ! */
+1033242534,
+1947027902,
+2123227639,
+-1374249331, /* ! */
+559160429,
+802992266,
+-443557517,
+-1689158322,
+1902902596,
+1955321636,
+75631,
+-1420670840,
+-2016287362,
+-1445425632,
+-420570310, /* ! */
+-354654912, /* 143 */
+-1972668301,
+653997721, /* ! */
+452795541,
+-66510820,
+-1862128475,
+-1327921414,
+1708518909,
+15711562, /* ! */
+1721321276,
+-1394169533,
+373602900,
+2099511181, /* ! */
+2078960031, /* ! */
+-1504406862,
+-1849228115, /* ! */
+-1767469541,
+-1599186379,
+772444871,
+918597368, /* ! */
+-937045004,
+-712386722,
+-904126536,
+-1318252653,
+-450264842, /* ! */
+1826831532, /* ! */
+-958506776,
+2050742404,
+2050686251,
+-154637178,
+481081149,
+1114171521,
+-1904274054,
+1419437721,
+693681474,
+1890059780,
+-1575700716,
+-656873177,
+490233525,
+-526894138,
+1682076343,
+-781336395,
+816523260,
+2048253734,
+1527924261,
+-1254019825,
+-1450610880,
+1819678767,
+1741799953, /* 191 */
+812933538, /* ! */
+250020223,
+-588621470,
+-586042668, /* ! */
+303595274,
+-736731322,
+-1042514938,
+2056265092,
+590811071,
+-2076239761,
+1536040004,
+526821270,
+-809199490,
+826044521,
+-639982281,
+575323029,
+-370506263, /* ! */
+-749572018,
+2087094581,
+587374721,
+552065397, /* ! */
+149358673,
+786310855,
+-167069507,
+-1875132152,
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+-925003291,
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+-1593362831,
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+-224474689,
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+-221777765, /* ! */
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+-468389908,
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+-1516263679,
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+-454735742,
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+-893710369,
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+-831673471, /* ! */
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+6859662,
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+-23903826, /* ! */
+-272927289,
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+1720095155, /* ! */
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+-1134964683, /* ! */
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+-2055526656, /* ! */
+-251951159,
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+-1736727888, /* ! */
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+-81160273,
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+-1431460277,
+-1803600980, /* ! */
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+{1722841024, /* ! */
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+955057240, /* ! */ /* 863 */
+-842425766,
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+966756585,
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+-750227043,
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+-326094853,
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+-453628962,
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+-950961455, /* ! */
+-1929004703,
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+-386687514,
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+-201378838,
+45814250,
+1582855393, /* ! */
+1051694644,
+-118080464,
+842639867, /* ! */
+964643756, /* ! */
+-810650327,
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+1264748971,
+-53913554,
+-1910238305,
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+-1084123694,
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+-379320221,
+469476951,
+891590085, /* 959 */
+484100235,
+-1507959076, /* ! */
+1604199464,
+423268838,
+488586602,
+930867807,
+-242676590, /* ! */
+-54340460,
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+-1939665362,
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+205813722,
+-46146582, /* ! */
+-797260050, /* ! */
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+-1212320744,
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+-444589,
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+638371325,
+256246972,
+1793131025, /* ! */
+-707291882,
+-1151592902,
+363764911, /* ! */
+1777326955,
+-757008613,
+-2006058918, /* ! */
+-946044045,
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+-661476356,
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+26999557,
+-400433464,
+2036402176, /* ! */
+1461934271,
+1431750752, /* ! */
+557152328, /* 1007 */
+336682025,
+-188192101, /* ! */
+-1029579530,
+1537018210, /* ! */
+355741330,
+-913772271,
+-573111973,
+1332856894, /* ! */
+-463998480,
+1095506380,
+-1372153732,
+-1070918314,
+1176314092,
+-1513258489,
+2134865852,
+-1080957377,
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+638655973,
+-1293620774,
+-1041456218,
+-1532623621,
+-360700565,
+2018940370,
+-706509096,
+-1761858993, /* ! */
+566171489, /* ! */
+-2101362137,
+548160877,
+1587887228, /* ! */
+1708148227,
+-928571626}};
+
+#endif /* _CRYPT_H */
diff --git a/libpiano/http.c b/libpiano/http.c
new file mode 100644
index 0000000..31c93cf
--- /dev/null
+++ b/libpiano/http.c
@@ -0,0 +1,87 @@
+/*
+Copyright (c) 2008 Lars-Dominik Braun
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+
+#include <curl/curl.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "const.h"
+#include "http.h"
+
+
+/* FIXME: curl has a receive limit, use it! */
+/*	callback for curl, writes data to buffer
+ *	@author PromyLOPh
+ *	@added 2008-06-05
+ *	@param received data
+ *	@param block size
+ *	@param blocks received
+ *	@param write data into this buffer
+ *	@return written bytes
+ */
+size_t PianoCurlRetToVar (void *ptr, size_t size, size_t nmemb, void *stream) {
+	char *charPtr = ptr;
+	char *streamPtr = stream;
+
+	if (strlen (streamPtr) + nmemb > PIANO_HTTP_BUFFER_SIZE) {
+		printf ("buffer overflow...\n");
+		return 0;
+	} else {
+		memcpy (streamPtr+strlen(streamPtr), charPtr, size*nmemb);
+		return size*nmemb;
+	}
+}
+
+/* FIXME: we may use a callback given by the library client here. would be
+ * more flexible... */
+/*	post data to url and receive answer as string
+ *	@author PromyLOPh
+ *	@added 2008-06-05
+ *	@param initialized curl handle
+ *	@param call this url
+ *	@param post this data
+ *	@param put received data here, memory is allocated by this function
+ *	@return nothing yet
+ */
+void PianoHttpPost (CURL *ch, char *url, char *postData, char **retData) {
+	struct curl_slist *headers = NULL;
+	/* Let's hope nothing will be bigger than this... */
+	char curlRet[PIANO_HTTP_BUFFER_SIZE];
+
+	headers = curl_slist_append (headers, "Content-Type: text/xml");
+
+	curl_easy_setopt (ch, CURLOPT_URL, url);
+	curl_easy_setopt (ch, CURLOPT_POSTFIELDS, postData);
+	curl_easy_setopt (ch, CURLOPT_HTTPHEADER, headers);
+	curl_easy_setopt (ch, CURLOPT_WRITEFUNCTION, PianoCurlRetToVar);
+	/* don't verify certificate for now, it's easier ;) */
+	curl_easy_setopt (ch, CURLOPT_SSL_VERIFYPEER, 0);
+	memset (curlRet, 0, sizeof (curlRet));
+	curl_easy_setopt (ch, CURLOPT_WRITEDATA, curlRet);
+
+	curl_easy_perform (ch);
+
+	curl_slist_free_all (headers);
+
+	*retData = calloc (strlen (curlRet) + 1, sizeof (char));
+	strcpy (*retData, curlRet);
+}
diff --git a/libpiano/http.h b/libpiano/http.h
new file mode 100644
index 0000000..87dc49c
--- /dev/null
+++ b/libpiano/http.h
@@ -0,0 +1,28 @@
+/*
+Copyright (c) 2008 Lars-Dominik Braun
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+
+#ifndef _HTTP_H
+#define _HTTP_H
+
+void PianoHttpPost (CURL *ch, char *url, char *postData, char **retData);
+
+#endif /* _HTTP_H */
diff --git a/libpiano/main.c b/libpiano/main.c
new file mode 100644
index 0000000..185d94c
--- /dev/null
+++ b/libpiano/main.c
@@ -0,0 +1,249 @@
+/*
+Copyright (c) 2008 Lars-Dominik Braun
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+
+#include <curl/curl.h>
+#include <string.h>
+#include <stdlib.h>
+#include <time.h>
+
+#include "const.h"
+#include "main.h"
+#include "piano.h"
+#include "http.h"
+#include "xml.h"
+
+char *PianoEncryptString (char *strInput);
+
+/*	initialize piano handle, set up curl handle and settings
+ *	@author PromyLOPh
+ *	@added 2008-06-05
+ *	@param piano handle
+ *	@return nothing
+ */
+void PianoInit (PianoHandle_t *ph) {
+	memset (ph, 0, sizeof (*ph));
+	ph->curlHandle = curl_easy_init ();
+	/* FIXME: 64-bit may make this hack useless */
+	snprintf (ph->routeId, sizeof (ph->routeId), "%07liP", time (NULL)>>8);
+	/* at the moment we don't need publicity */
+	curl_easy_setopt (ph->curlHandle, CURLOPT_USERAGENT, PIANO_USERAGENT);
+	/* set tor as control connection proxy */
+	curl_easy_setopt (ph->curlHandle, CURLOPT_PROXY, "localhost:9050");
+	curl_easy_setopt (ph->curlHandle, CURLOPT_PROXYTYPE, CURLPROXY_SOCKS4A);
+}
+
+/*	free complete station list
+ *	@author PromyLOPh
+ *	@added 2008-06-09
+ *	@param piano handle
+ */
+void PianoDestroyStations (PianoHandle_t *ph) {
+	PianoStation_t *curStation, *lastStation;
+
+	curStation = ph->stations;
+	while (curStation != NULL) {
+		free (curStation->name);
+		free (curStation->id);
+		lastStation = curStation;
+		curStation = curStation->next;
+		memset (lastStation, 0, sizeof (*lastStation));
+		free (lastStation);
+	}
+}
+
+/* FIXME: copy & waste */
+/*	free _all_ elements of playlist
+ *	@author PromyLOPh
+ *	@added 2008-06-09
+ *	@param piano handle
+ *	@return nothing
+ */
+void PianoDestroyPlaylist (PianoHandle_t *ph) {
+	PianoSong_t *curSong, *lastSong;
+
+	curSong = ph->playlist;
+	while (curSong != NULL) {
+		free (curSong->audioUrl);
+		free (curSong->artist);
+		free (curSong->focusTraitId);
+		free (curSong->matchingSeed);
+		free (curSong->musicId);
+		free (curSong->title);
+		free (curSong->userSeed);
+		lastSong = curSong;
+		curSong = curSong->next;
+		memset (lastSong, 0, sizeof (*lastSong));
+		free (lastSong);
+	}
+}
+
+/*	frees the whole piano handle structure
+ *	@author PromyLOPh
+ *	@added 2008-06-05
+ *	@param piano handle
+ *	@return nothing
+ */
+void PianoDestroy (PianoHandle_t *ph) {
+	curl_easy_cleanup (ph->curlHandle);
+	/* FIXME: only free if pointer != NULL */
+	free (ph->user.webAuthToken);
+	free (ph->user.authToken);
+	free (ph->user.listenerId);
+
+	PianoDestroyStations (ph);
+	PianoDestroyPlaylist (ph);
+	memset (ph, 0, sizeof (*ph));
+}
+
+/*	authenticates user
+ *	@author PromyLOPh
+ *	@added 2008-06-05
+ *	@param piano handle
+ *	@param username (utf-8 encoded)
+ *	@param password (plaintext, utf-8 encoded)
+ *	@return nothing
+ */
+void PianoConnect (PianoHandle_t *ph, char *user, char *password) {
+	/* sync */
+	char url[PIANO_URL_BUFFER_SIZE];
+	char *requestStr = PianoEncryptString ("<?xml version=\"1.0\"?>"
+			"<methodCall><methodName>misc.sync</methodName>"
+			"<params></params></methodCall>");
+	char *retStr, requestStrPlain[10000];
+
+	/* sync (is the return value used by pandora? for now: ignore result) */
+	snprintf (url, sizeof (url), PIANO_RPC_URL "rid=%s&method=sync",
+			ph->routeId);
+	PianoHttpPost (ph->curlHandle, url, requestStr, &retStr);
+	free (requestStr);
+	free (retStr);
+
+	/* authenticate */
+	snprintf (requestStrPlain, sizeof (requestStrPlain), 
+			"<?xml version=\"1.0\"?><methodCall>"
+			"<methodName>listener.authenticateListener</methodName>"
+			"<params><param><value><int>%li</int></value></param>"
+			"<param><value><string>%s</string></value></param>"
+			"<param><value><string>%s</string></value></param>"
+			"</params></methodCall>", time (NULL), user, password);
+	requestStr = PianoEncryptString (requestStrPlain);
+	snprintf (url, sizeof (url), PIANO_SECURE_RPC_URL "rid=%s"
+			"&method=authenticateListener", ph->routeId);
+	PianoHttpPost (ph->curlHandle, url, requestStr, &retStr);
+	PianoXmlParseUserinfo (ph, retStr);
+
+	free (requestStr);
+	free (retStr);
+}
+
+/*	get all stations for authenticated user (so: PianoConnect needs to
+ *	be run before)
+ *	@author PromyLOPh
+ *	@added 2008-06-05
+ *	@param piano handle filled with some authentication data by PianoConnect
+ *	@return nothing
+ */
+void PianoGetStations (PianoHandle_t *ph) {
+	char xmlSendBuf[10000], url[PIANO_URL_BUFFER_SIZE];
+	char *requestStr, *retStr;
+
+	snprintf (xmlSendBuf, sizeof (xmlSendBuf), "<?xml version=\"1.0\"?>"
+			"<methodCall><methodName>station.getStations</methodName>"
+			"<params><param><value><int>%li</int></value></param>"
+			"<param><value><string>%s</string></value></param>"
+			"</params></methodCall>", time (NULL), ph->user.authToken);
+	requestStr = PianoEncryptString (xmlSendBuf);
+	snprintf (url, sizeof (url), PIANO_RPC_URL
+			"rid=%s&lid=%s&method=getStations", ph->routeId,
+			ph->user.listenerId);
+	PianoHttpPost (ph->curlHandle, url, requestStr, &retStr);
+	PianoXmlParseStations (ph, retStr);
+	free (retStr);
+	free (requestStr);
+}
+
+/*	get next songs for station (usually four tracks)
+ *	@author PromyLOPh
+ *	@added 2008-06-05
+ *	@param piano handle
+ *	@param station id
+ *	@return nothing yet
+ */
+void PianoGetPlaylist (PianoHandle_t *ph, char *stationId) {
+	char xmlSendBuf[10000], url[PIANO_URL_BUFFER_SIZE];
+	char *requestStr, *retStr;
+
+	/* FIXME: remove static numbers */
+	snprintf (xmlSendBuf, sizeof (xmlSendBuf), "<?xml version=\"1.0\"?>"
+			"<methodCall><methodName>playlist.getFragment</methodName>"
+			"<params><param><value><int>%li</int></value></param>"
+			"<param><value><string>%s</string></value></param>"
+			"<param><value><string>%s</string></value></param>"
+			"<param><value><string>15941546</string></value></param>"
+			"<param><value><string>181840822</string></value></param>"
+			"<param><value><string></string></value></param>"
+			"<param><value><string></string></value></param>"
+			"<param><value><string>aacplus</string></value></param>"
+			"</params></methodCall>", time (NULL), ph->user.authToken,
+			stationId);
+	requestStr = PianoEncryptString (xmlSendBuf);
+	snprintf (url, sizeof (url), PIANO_RPC_URL
+			"rid=%s&lid=%s&method=getFragment&arg1=%s&arg2=15941546"
+			"&arg3=181840822&arg4=&arg5=&arg6=aacplus", ph->routeId,
+			ph->user.listenerId, stationId);
+	PianoHttpPost (ph->curlHandle, url, requestStr, &retStr);
+	PianoXmlParsePlaylist (ph, retStr);
+	free (retStr);
+	free (requestStr);
+}
+
+void PianoRateTrack (PianoHandle_t *ph, PianoStation_t *station,
+		PianoSong_t *song, PianoSongRating_t rating) {
+	char xmlSendBuf[10000], url[PIANO_URL_BUFFER_SIZE];
+	char *requestStr, *retStr;
+
+	snprintf (xmlSendBuf, sizeof (xmlSendBuf), "<?xml version=\"1.0\"?>"
+			"<methodCall><methodName>station.addFeedback</methodName>"
+			"<params><param><value><int>%li</int></value></param>"
+			"<param><value><string>%s</string></value></param>"
+			"<param><value><string>%s</string></value></param>"
+			"<param><value><string>%s</string></value></param>"
+			"<param><value><string>%s</string></value></param>"
+			"<param><value><string>%s</string></value></param>"
+			"<param><value><string>%s</string></value></param>"
+			"<param><value><boolean>%i</boolean></value></param>"
+			"<param><value><boolean>0</boolean></value></param>"
+			"</params></methodCall>", time (NULL), ph->user.authToken,
+			station->id, song->musicId, song->matchingSeed, song->userSeed,
+			song->focusTraitId, (rating == PIANO_RATE_LOVE) ? 1 : 0);
+	requestStr = PianoEncryptString (xmlSendBuf);
+	snprintf (url, sizeof (url), PIANO_RPC_URL
+			"rid=%s&lid=%s&method=addFeedback&arg1=%s&arg2=%s"
+			"&arg3=%s&arg4=%s&arg5=%s&arg6=%s&arg7=false", ph->routeId,
+			ph->user.listenerId, station->id, song->musicId,
+			song->matchingSeed, song->userSeed, song->focusTraitId,
+			(rating == PIANO_RATE_LOVE) ? "true" : "false");
+	PianoHttpPost (ph->curlHandle, url, requestStr, &retStr);
+	/* FIXME: check answer (success = <?xml version="1.0" encoding="UTF-8"?><methodResponse><params><param><value>1</value></param></params></methodResponse> ) */
+	free (requestStr);
+	free (retStr);
+}
diff --git a/libpiano/main.h b/libpiano/main.h
new file mode 100644
index 0000000..1746e53
--- /dev/null
+++ b/libpiano/main.h
@@ -0,0 +1,27 @@
+/*
+Copyright (c) 2008 Lars-Dominik Braun
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+
+#ifndef _MAIN_H
+#define _MAIN_H
+
+
+#endif /* _MAIN_H */
diff --git a/libpiano/piano.h b/libpiano/piano.h
new file mode 100644
index 0000000..ac64cd1
--- /dev/null
+++ b/libpiano/piano.h
@@ -0,0 +1,132 @@
+/*
+Copyright (c) 2008 Lars-Dominik Braun
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+
+#ifndef _PIANO_H
+#define _PIANO_H
+
+/* this is our public API
+ * all strings _must_ be utf-8 encoded. i won't care, but pandora does. so
+ * be nice and check the encoding of your strings. thanks :) */
+
+#include <curl/curl.h>
+
+struct PianoUserInfo {
+	unsigned int zipcode;
+	/* disabled: billingFrequency */
+	signed hasExplicitContentFilter;
+	char *webAuthToken;
+	/* disabled: alertCode */
+	/* disabled: seenQuickMixPanel */
+	unsigned short birthYear;
+	char *bookmarkUrl;
+	char *listenerState; /* FIXME: use enum? */
+	/* disabled: adCookieValue */
+	/* disabled: gender */
+	/* disabled: emailOptIn */
+	/* disabled: autoRenew */
+	char *username;
+	char *listenerId;
+	char *authToken;
+	char *webName;
+};
+
+typedef struct PianoUserInfo PianoUserInfo_t;
+
+struct PianoStation {
+	signed isCreator;
+	/* disabled: originalStationId */
+	char **genre;
+	unsigned int originalCreatorId;
+	/* disabled: initialSeed */
+	/* disabled: isNew */
+	/* disabled: transformType */
+	char *idToken;
+	signed isQuickMix;
+	char *name;
+	char *id;
+	struct PianoStation *next;
+};
+
+typedef struct PianoStation PianoStation_t;
+
+struct PianoSong {
+	char *artist;
+	char **genre;
+	char *matchingSeed;
+	/* disabled: composerName */
+	/* disabled: isSeed */
+	/* disabled: artistFansURL */
+	/* disabled: songExplorerUrl */
+	float fileGain;
+	/* disabled: songDetailURL */
+	/* disabled: albumDetailURL */
+	char *webId;
+	/* disabled: musicComUrl */
+	/* disabled: fanExplorerUrl */
+	int rating;
+	/* disabled: artistExplorerUrl */
+	/* disabled: artRadio */
+	char *audioEncoding; /* FIXME: should be enum: mp3 or aacplus */
+	char *stationId;
+	char *album;
+	char *artistMusicId;
+	char *userSeed;
+	/* disabled: albumExplorerUrl */
+	/* disabled: amazonUrl */
+	char *audioUrl;
+	signed onTour;
+	/* disabled: itunesUrl */
+	char *musicId;
+	char *title;
+	char *focusTraitId;
+	char *identity;
+	struct PianoSong *next;
+};
+
+typedef struct PianoSong PianoSong_t;
+
+struct PianoHandle {
+	CURL *curlHandle;
+	char routeId[9];
+	PianoUserInfo_t user;
+	/* linked lists */
+	PianoStation_t *stations;
+	PianoSong_t *playlist;
+};
+
+typedef struct PianoHandle PianoHandle_t;
+
+enum PianoSongRating {PIANO_RATE_BAN, PIANO_RATE_LOVE};
+typedef enum PianoSongRating PianoSongRating_t;
+
+void PianoInit (PianoHandle_t *);
+void PianoDestroy (PianoHandle_t *);
+void PianoDestroyPlaylist (PianoHandle_t *ph);
+void PianoConnect (PianoHandle_t *, char *, char *);
+
+void PianoGetStations (PianoHandle_t *ph);
+void PianoGetPlaylist (PianoHandle_t *ph, char *stationId);
+
+void PianoRateTrack (PianoHandle_t *ph, PianoStation_t *station,
+		PianoSong_t *song, PianoSongRating_t rating);
+
+#endif /* _PIANO_H */
diff --git a/libpiano/xml.c b/libpiano/xml.c
new file mode 100644
index 0000000..370d236
--- /dev/null
+++ b/libpiano/xml.c
@@ -0,0 +1,278 @@
+/*
+Copyright (c) 2008 Lars-Dominik Braun
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+
+#include <libxml/parser.h>
+#include <libxml/tree.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "piano.h"
+#include "crypt.h"
+
+/*	parses things like this:
+ *	<struct>
+ *		<member>
+ *			<name />
+ *			<value />
+ *		</member>
+ *		<!-- ... -->
+ *	</struct>
+ *	@author PromyLOPh
+ *	@added 2008-06-03
+ *	@param xml node named "struct" (or containing a similar structure)
+ *	@param who wants to use this data? callback: content of <name> as
+ *			string, content of <value> as xmlNode (may contain other nodes
+ *			or text), additional data used by callback(); don't forget
+ *			to *copy* data taken from <name> or <value> as they will be
+ *			freed soon
+ *	@param 
+ */
+void PianoXmlStructParser (xmlNode *structRoot,
+		void (*callback) (char *, xmlNode *, void *), void *data) {
+
+	xmlNode *curNode, *memberNode, *valueNode;
+	xmlChar *key;
+
+	/* get all <member> nodes */
+    for (curNode = structRoot->children; curNode; curNode = curNode->next) {
+        if (curNode->type == XML_ELEMENT_NODE &&
+				xmlStrEqual ((xmlChar *) "member", curNode->name)) {
+			key = NULL;
+			valueNode = NULL;
+			/* check children for <name> or <value> */
+			for (memberNode = curNode->children; memberNode;
+					memberNode = memberNode->next) {
+				if (memberNode->type == XML_ELEMENT_NODE) {
+					if (xmlStrEqual ((xmlChar *) "name", memberNode->name)) {
+						key = memberNode->children->content;
+					} else if (xmlStrEqual ((xmlChar *) "value",
+							memberNode->name)) {
+						valueNode = memberNode->children;
+					}
+				}
+			}
+			/* this will ignore empty <value /> nodes, but well... */
+			if (key != NULL && valueNode != NULL) {
+				(*callback) ((char *) key, valueNode, data);
+			}
+        }
+	}
+}
+
+/*	structParser callback; writes userinfo to PianoUserInfo structure
+ *	@author PromyLOPh
+ *	@added 2008-06-03
+ *	@param value identifier
+ *	@param value node
+ *	@param pointer to userinfo structure
+ *	@return nothing
+ */
+void PianoXmlParseUserinfoCb (char *key, xmlNode *value, void *data) {
+	char *valueStr = NULL;
+	PianoUserInfo_t *user = data;
+
+	/* some values have subnodes like <boolean> or <string>, just
+	 * ignore them... */
+	if (value->content != NULL) {
+		valueStr = (char *) value->content;
+	} else if (value->children != NULL &&
+			value->children->content != NULL) {
+		 valueStr = (char *) value->children->content;
+	}
+	/* FIXME: should be continued later */
+	if (strcmp ("webAuthToken", key) == 0) {
+		user->webAuthToken = strdup (valueStr);
+	} else if (strcmp ("authToken", key) == 0) {
+		user->authToken = strdup (valueStr);
+	} else if (strcmp ("listenerId", key) == 0) {
+		user->listenerId = strdup (valueStr);
+	}
+}
+
+void PianoXmlParseStationsCb (char *key, xmlNode *value, void *data) {
+	PianoStation_t *station = data;
+	char *valueStr = NULL;
+
+	/* FIXME: copy & waste */
+	/* some values have subnodes like <boolean> or <string>, just
+	 * ignore them... */
+	if (value->content != NULL) {
+		valueStr = (char *) value->content;
+	} else if (value->children != NULL &&
+			value->children->content != NULL) {
+		 valueStr = (char *) value->children->content;
+	}
+	if (strcmp ("stationName", key) == 0) {
+		station->name = strdup (valueStr);
+	} else if (strcmp ("stationId", key) == 0) {
+		station->id = strdup (valueStr);
+	}
+}
+
+/* FIXME: copy & waste */
+void PianoXmlParsePlaylistCb (char *key, xmlNode *value, void *data) {
+	PianoSong_t *song = data;
+	char *valueStr = NULL;
+
+	/* some values have subnodes like <boolean> or <string>, just
+	 * ignore them... */
+	if (value->content != NULL) {
+		valueStr = (char *) value->content;
+	} else if (value->children != NULL &&
+			value->children->content != NULL) {
+		 valueStr = (char *) value->children->content;
+	}
+	if (strcmp ("audioURL", key) == 0) {
+		/* last 48 chars of audioUrl are encrypted, but they put the key
+		 * into the door's lock; dumb pandora... */
+		const char urlTailN = 48;
+		char *urlTail, *urlTailCrypted = valueStr + (strlen (valueStr) - urlTailN);
+		urlTail = PianoDecryptString (urlTailCrypted);
+		//printf ("tail is:\t%s\nwas:\t\t%s (%i)\nurl was:\t %s (%i)\n", urlTail, urlTailCrypted, strlen (urlTailCrypted), valueStr, strlen (valueStr));
+		song->audioUrl = calloc (strlen (valueStr) + 1, sizeof (char));
+		strncpy (song->audioUrl, valueStr, strlen (valueStr) - urlTailN);
+		/* FIXME: the key seems to be broken... so ignore 8 x 0x08 postfix;
+		 * urlTailN/2 because the encrypted hex string is now decoded */
+		strncat (song->audioUrl, urlTail, (urlTailN/2)-8);
+		free (urlTail);
+
+	} else if (strcmp ("artistSummary", key) == 0) {
+		song->artist = strdup (valueStr);
+	} else if (strcmp ("musicId", key) == 0) {
+		song->musicId = strdup (valueStr);
+	} else if (strcmp ("matchingSeed", key) == 0) {
+		song->matchingSeed = strdup (valueStr);
+	} else if (strcmp ("userSeed", key) == 0) {
+		song->userSeed = strdup (valueStr);
+	} else if (strcmp ("focusTraitId", key) == 0) {
+		song->focusTraitId = strdup (valueStr);
+	} else if (strcmp ("songTitle", key) == 0) {
+		song->title = strdup (valueStr);
+	}
+}
+
+/*	parses server response and updates handle
+ *	@author PromyLOPh
+ *	@added 2008-06-03
+ *	@param piano handle
+ *	@param utf-8 string
+ *	@return nothing
+ */
+void PianoXmlParseUserinfo (PianoHandle_t *ph, char *xml) {
+	xmlNode *docRoot = NULL;
+	xmlDocPtr doc = xmlReadDoc ((xmlChar *) xml, NULL, NULL, 0);
+
+	if (doc == NULL) {
+		printf ("whoops... xml parser error\n");
+		return;
+	}
+
+	docRoot = xmlDocGetRootElement (doc);
+
+	/* <methodResponse> <params> <param> <value> <struct> */
+	xmlNode *structRoot = docRoot->children->children->children->children;
+	PianoXmlStructParser (structRoot, PianoXmlParseUserinfoCb, &ph->user);
+
+	xmlFreeDoc (doc);
+	xmlCleanupParser();
+}
+
+/*	parse stations returned by pandora
+ *	@author PromyLOPh
+ *	@added 2008-06-04
+ *	@param piano handle
+ *	@param xml returned by pandora
+ *	@return nothing
+ */
+void PianoXmlParseStations (PianoHandle_t *ph, char *xml) {
+	/* FIXME: copy & waste */
+	xmlNode *docRoot = NULL, *curNode = NULL;
+	xmlDocPtr doc = xmlReadDoc ((xmlChar *) xml, NULL, NULL, 0);
+
+	if (doc == NULL) {
+		printf ("whoops... xml parser error\n");
+		return;
+	}
+
+	docRoot = xmlDocGetRootElement (doc);
+
+	/* <methodResponse> <params> <param> <value> <array> <data> */
+	xmlNode *dataRoot = docRoot->children->children->children->children->children;
+    for (curNode = dataRoot->children; curNode; curNode = curNode->next) {
+        if (curNode->type == XML_ELEMENT_NODE &&
+				xmlStrEqual ((xmlChar *) "value", curNode->name)) {
+			PianoStation_t *tmpStation = calloc (1, sizeof (*tmpStation));
+			PianoXmlStructParser (curNode->children,
+					PianoXmlParseStationsCb, tmpStation);
+			/* start new linked list or append */
+			if (ph->stations == NULL) {
+				ph->stations = tmpStation;
+			} else {
+				PianoStation_t *curStation = ph->stations;
+				while (curStation->next != NULL) {
+					curStation = curStation->next;
+				}
+				curStation->next = tmpStation;
+			}
+		}
+	}
+
+	xmlFreeDoc (doc);
+	xmlCleanupParser();
+}
+
+void PianoXmlParsePlaylist (PianoHandle_t *ph, char *xml) {
+	/* FIXME: copy & waste */
+	xmlNode *docRoot = NULL, *curNode = NULL;
+	xmlDocPtr doc = xmlReadDoc ((xmlChar *) xml, NULL, NULL, 0);
+
+	if (doc == NULL) {
+		printf ("whoops... xml parser error\n");
+		return;
+	}
+
+	docRoot = xmlDocGetRootElement (doc);
+
+	/* <methodResponse> <params> <param> <value> <array> <data> */
+	xmlNode *dataRoot = docRoot->children->children->children->children->children;
+    for (curNode = dataRoot->children; curNode; curNode = curNode->next) {
+        if (curNode->type == XML_ELEMENT_NODE &&
+				xmlStrEqual ((xmlChar *) "value", curNode->name)) {
+			PianoSong_t *tmpSong = calloc (1, sizeof (*tmpSong));
+			PianoXmlStructParser (curNode->children,
+					PianoXmlParsePlaylistCb, tmpSong);
+			/* begin linked list or append */
+			if (ph->playlist == NULL) {
+				ph->playlist = tmpSong;
+			} else {
+				PianoSong_t *curSong = ph->playlist;
+				while (curSong->next != NULL) {
+					curSong = curSong->next;
+				}
+				curSong->next = tmpSong;
+			}
+		}
+	}
+
+	xmlFreeDoc (doc);
+	xmlCleanupParser();
+}
diff --git a/libpiano/xml.h b/libpiano/xml.h
new file mode 100644
index 0000000..c4eede8
--- /dev/null
+++ b/libpiano/xml.h
@@ -0,0 +1,30 @@
+/*
+Copyright (c) 2008 Lars-Dominik Braun
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+
+#ifndef _XML_H
+#define _XML_H
+
+void PianoXmlParseUserinfo (PianoHandle_t *ph, char *xml);
+void PianoXmlParseStations (PianoHandle_t *ph, char *xml);
+void PianoXmlParsePlaylist (PianoHandle_t *ph, char *xml);
+
+#endif /* _XML_H */