X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=include%2Fvlc_url.h;h=ef163d42cbda9062ce9144b4f853561af16076b1;hb=470ce70b69e1530173950a8dfd6d274a70caa7bc;hp=280864dc10c39a3db0a7883fef8e468b1a85af16;hpb=a48f5f177f1adcb6283bee18282cba4910a1613a;p=vlc diff --git a/include/vlc_url.h b/include/vlc_url.h index 280864dc10..ef163d42cb 100644 --- a/include/vlc_url.h +++ b/include/vlc_url.h @@ -22,10 +22,15 @@ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA. *****************************************************************************/ -#ifndef __VLC_URL_H -# define __VLC_URL_H +#ifndef VLC_URL_H +# define VLC_URL_H -typedef struct +/** + * \file + * This file defines functions for manipulating URL in vlc + */ + +struct vlc_url_t { char *psz_protocol; char *psz_username; @@ -38,7 +43,13 @@ typedef struct char *psz_option; char *psz_buffer; /* to be freed */ -} vlc_url_t; +}; + +VLC_EXPORT( char *, decode_URI_duplicate, ( const char *psz ) ); +VLC_EXPORT( char *, decode_URI, ( char *psz ) ); +VLC_EXPORT( char *, encode_URI_component, ( const char *psz ) ); +VLC_EXPORT( char *, make_URI, ( const char *path, const char *scheme ) ); +VLC_EXPORT( char *, make_path, ( const char *url ) ); /***************************************************************************** * vlc_UrlParse: @@ -53,6 +64,7 @@ static inline void vlc_UrlParse( vlc_url_t *url, const char *psz_url, char *psz_dup; char *psz_parse; char *p; + char *p2; url->psz_protocol = NULL; url->psz_username = NULL; @@ -69,7 +81,22 @@ static inline void vlc_UrlParse( vlc_url_t *url, const char *psz_url, } url->psz_buffer = psz_parse = psz_dup = strdup( psz_url ); + /* Search a valid protocol */ p = strstr( psz_parse, ":/" ); + if( p != NULL ) + { + for( p2 = psz_parse; p2 < p; p2++ ) + { +#define I(i,a,b) ( (a) <= (i) && (i) <= (b) ) + if( !I(*p2, 'a', 'z' ) && !I(*p2, 'A', 'Z') && !I(*p2, '0', '9') && *p2 != '+' && *p2 != '-' && *p2 != '.' ) + { + p = NULL; + break; + } +#undef I + } + } + if( p != NULL ) { /* we have a protocol */ @@ -82,7 +109,8 @@ static inline void vlc_UrlParse( vlc_url_t *url, const char *psz_url, psz_parse = p; } p = strchr( psz_parse, '@' ); - if( p != NULL ) + p2 = strchr( psz_parse, '/' ); + if( p != NULL && ( p2 != NULL ? p < p2 : 1 ) ) { /* We have a login */ url->psz_username = psz_parse; @@ -94,16 +122,15 @@ static inline void vlc_UrlParse( vlc_url_t *url, const char *psz_url, /* We have a password */ *psz_parse++ = '\0'; url->psz_password = psz_parse; + decode_URI( url->psz_password ); } - + decode_URI( url->psz_username ); psz_parse = p; } p = strchr( psz_parse, '/' ); if( !p || psz_parse < p ) { - char *p2; - /* We have a host[:port] */ url->psz_host = strdup( psz_parse ); if( p ) @@ -150,13 +177,11 @@ static inline void vlc_UrlParse( vlc_url_t *url, const char *psz_url, /***************************************************************************** * vlc_UrlClean: - ***************************************************************************** - * *****************************************************************************/ static inline void vlc_UrlClean( vlc_url_t *url ) { - if( url->psz_buffer ) free( url->psz_buffer ); - if( url->psz_host ) free( url->psz_host ); + free( url->psz_buffer ); + free( url->psz_host ); url->psz_protocol = NULL; url->psz_username = NULL; @@ -169,96 +194,10 @@ static inline void vlc_UrlClean( vlc_url_t *url ) url->psz_buffer = NULL; } -VLC_EXPORT( char *, unescape_URI_duplicate, ( const char *psz ) ); -VLC_EXPORT( void, unescape_URI, ( char *psz ) ); - -static inline int isurlsafe( int c ) -{ - return ( (unsigned char)( c - 'a' ) < 26 ) - || ( (unsigned char)( c - 'A' ) < 26 ) - || ( (unsigned char)( c - '0' ) < 10 ) - /* Hmm, we should not encode character that are allowed in URLs - * (even if they are not URL-safe), nor URL-safe characters. - * We still encode some of them because of Microsoft's crap browser. - */ - || ( strchr( "-_.", c ) != NULL ); -} - -static inline char url_hexchar( int c ) -{ - return ( c < 10 ) ? c + '0' : c + 'A' - 10; -} - -/***************************************************************************** - * vlc_UrlEncode: - ***************************************************************************** - * perform URL encoding - * (you do NOT want to do URL decoding - it is not reversible - do NOT do it) - *****************************************************************************/ -static inline char *vlc_UrlEncode( const char *psz_url ) -{ - char psz_enc[3 * strlen( psz_url ) + 1], *out = psz_enc; - const unsigned char *in; - - for( in = (const unsigned char *)psz_url; *in; in++ ) - { - unsigned char c = *in; - - if( isurlsafe( c ) ) - *out++ = (char)c; - else - { - uint16_t cp; - - *out++ = '%'; - /* UTF-8 to UCS-2 conversion */ - if( ( c & 0x7f ) == 0 ) - cp = c; - else - if( ( c & 0xe0 ) == 0xc0 ) - { - cp = ((c & 0x1f) << 6) | (in[1] & 0x3f); - in++; - } - else - if( ( c & 0xf0 ) == 0xe0 ) - { - cp = ((c & 0xf) << 12) | ((in[1] & 0x3f) << 6) | (in[2] & 0x3f); - in += 2; - } - else - /* cannot URL-encode code points outside the BMP */ - return NULL; - - if( cp < 0xff ) - { - /* Encode ISO-8859-1 characters */ - *out++ = url_hexchar( cp >> 4 ); - *out++ = url_hexchar( cp & 0xf ); - } - else - { - /* Encode non-Latin-1 characters */ - *out++ = 'u'; - *out++ = url_hexchar( cp >> 12 ); - *out++ = url_hexchar((cp >> 8) & 0xf ); - *out++ = url_hexchar((cp >> 4) & 0xf ); - *out++ = url_hexchar( cp & 0xf ); - } - } - } - *out++ = '\0'; - - return strdup( psz_enc ); -} - -/***************************************************************************** - * vlc_UrlIsNotEncoded: - ***************************************************************************** - * check if given string is not a valid URL and must hence be encoded - *****************************************************************************/ #include +/** Check whether a given string is not a valid URL and must hence be + * encoded */ static inline int vlc_UrlIsNotEncoded( const char *psz_url ) { const char *ptr; @@ -274,69 +213,13 @@ static inline int vlc_UrlIsNotEncoded( const char *psz_url ) ptr += 2; } else - if( !isurlsafe( c ) ) + if( ( (unsigned char)( c - 'a' ) < 26 ) + || ( (unsigned char)( c - 'A' ) < 26 ) + || ( (unsigned char)( c - '0' ) < 10 ) + || ( strchr( "-_.", c ) != NULL ) ) return 1; } return 0; /* looks fine - but maybe it is not encoded */ } -/***************************************************************************** - * vlc_b64_encode: - ***************************************************************************** - * - *****************************************************************************/ -static inline char *vlc_b64_encode( char *src ) -{ - static const char b64[] = - "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; - size_t len = strlen( src ); - - char *ret; - char *dst = (char *)malloc( ( len + 4 ) * 4 / 3 ); - if( dst == NULL ) - return NULL; - - ret = dst; - - while( len > 0 ) - { - /* pops (up to) 3 bytes of input */ - uint32_t v = *src++ << 24; - - if( len >= 2 ) - { - v |= *src++ << 16; - if( len >= 3 ) - v |= *src++ << 8; - } - - /* pushes (up to) 4 bytes of output */ - while( v ) - { - *dst++ = b64[v >> 26]; - v = v << 6; - } - - switch( len ) - { - case 1: - *dst++ = '='; - *dst++ = '='; - len--; - break; - - case 2: - *dst++ = '='; - len -= 2; - break; - - default: - len -= 3; - } - } - - *dst = '\0'; - - return ret; -} #endif