Annotation of parser3/src/classes/file.C, revision 1.221
1.17 paf 1: /** @file
2: Parser: @b file parser class.
3:
1.218 moko 4: Copyright (c) 2001-2012 Art. Lebedev Studio (http://www.artlebedev.com)
1.72 paf 5: Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru)
1.91 paf 6: */
1.17 paf 7:
1.47 parser 8: #include "pa_config_includes.h"
9:
1.35 paf 10: #include "classes.h"
1.111 paf 11: #include "pa_vmethod_frame.h"
12:
1.1 paf 13: #include "pa_request.h"
14: #include "pa_vfile.h"
1.11 paf 15: #include "pa_table.h"
1.21 paf 16: #include "pa_vint.h"
1.24 paf 17: #include "pa_exec.h"
1.40 parser 18: #include "pa_vdate.h"
1.47 parser 19: #include "pa_dir.h"
20: #include "pa_vtable.h"
1.67 paf 21: #include "pa_charset.h"
1.109 paf 22: #include "pa_charsets.h"
1.121 paf 23: #include "pa_sql_connection.h"
1.147 misha 24: #include "pa_md5.h"
1.184 misha 25: #include "pa_vregex.h"
1.208 misha 26: #include "pa_version.h"
1.1 paf 27:
1.221 ! misha 28: volatile const char * IDENT_FILE_C="$Id: file.C,v 1.220 2012-06-08 11:44:01 misha Exp $";
1.218 moko 29:
1.32 paf 30: // defines
31:
1.90 paf 32: #define STDIN_EXEC_PARAM_NAME "stdin"
1.109 paf 33: #define CHARSET_EXEC_PARAM_NAME "charset"
1.48 parser 34:
1.131 paf 35: #define NAME_NAME "name"
36:
1.132 paf 37: // externs
38:
39: extern String sql_limit_name;
40: extern String sql_offset_name;
41:
1.111 paf 42: // class
43:
44: class MFile: public Methoded {
45: public: // VStateless_class
1.199 misha 46: Value* create_new_value(Pool&) { return new VFile(); }
1.111 paf 47: public:
48: MFile();
49: };
50:
51: // global variable
52:
53: DECLARE_CLASS_VAR(file, new MFile, 0);
54:
1.83 paf 55: // consts
56:
57: /// from apache-1.3|src|support|suexec.c
1.111 paf 58: static const char* suexec_safe_env_lst[]={
1.83 paf 59: "AUTH_TYPE",
60: "CONTENT_LENGTH",
61: "CONTENT_TYPE",
62: "DATE_GMT",
63: "DATE_LOCAL",
64: "DOCUMENT_NAME",
65: "DOCUMENT_PATH_INFO",
66: "DOCUMENT_ROOT",
67: "DOCUMENT_URI",
68: "FILEPATH_INFO",
69: "GATEWAY_INTERFACE",
70: "LAST_MODIFIED",
71: "PATH_INFO",
72: "PATH_TRANSLATED",
73: "QUERY_STRING",
74: "QUERY_STRING_UNESCAPED",
75: "REMOTE_ADDR",
76: "REMOTE_HOST",
77: "REMOTE_IDENT",
78: "REMOTE_PORT",
79: "REMOTE_USER",
80: "REDIRECT_QUERY_STRING",
81: "REDIRECT_STATUS",
82: "REDIRECT_URL",
83: "REQUEST_METHOD",
84: "REQUEST_URI",
85: "SCRIPT_FILENAME",
86: "SCRIPT_NAME",
87: "SCRIPT_URI",
88: "SCRIPT_URL",
89: "SERVER_ADMIN",
90: "SERVER_NAME",
91: "SERVER_ADDR",
92: "SERVER_PORT",
93: "SERVER_PROTOCOL",
94: "SERVER_SOFTWARE",
95: "UNIQUE_ID",
96: "USER_NAME",
97: "TZ",
98: NULL
99: };
100:
1.111 paf 101: // statics
1.33 paf 102:
1.112 paf 103: static const String::Body adate_name("adate");
104: static const String::Body mdate_name("mdate");
105: static const String::Body cdate_name("cdate");
1.32 paf 106:
1.1 paf 107: // methods
108:
1.111 paf 109: static void _save(Request& r, MethodParams& params) {
1.215 misha 110: bool is_text=VFile::is_text_mode(params.as_string(0, MODE_MUST_NOT_BE_CODE));
1.152 misha 111: Value& vfile_name=params.as_no_junction(1, FILE_NAME_MUST_NOT_BE_CODE);
1.4 paf 112:
1.201 misha 113: Charset* asked_charset=0;
114: if(params.count()>2)
1.214 misha 115: if(HashStringValue* options=params.as_hash(2)){
1.202 misha 116: int valid_options=0;
1.201 misha 117: if(Value* vcharset_name=options->get(PA_CHARSET_NAME)){
118: asked_charset=&::charsets.get(vcharset_name->as_string().change_case(r.charsets.source(), String::CC_UPPER));
119: valid_options++;
120: }
121: if(valid_options != options->count())
1.207 misha 122: throw Exception(PARSER_RUNTIME, 0, CALLED_WITH_INVALID_OPTION);
1.201 misha 123: }
124:
1.7 paf 125: // save
1.201 misha 126: GET_SELF(r, VFile).save(r.charsets, r.absolute(vfile_name.as_string()), is_text, asked_charset);
1.7 paf 127: }
128:
1.111 paf 129: static void _delete(Request& r, MethodParams& params) {
1.215 misha 130: const String& file_name=params.as_string(0, FILE_NAME_MUST_NOT_BE_CODE);
1.7 paf 131:
132: // unlink
1.215 misha 133: file_delete(r.absolute(file_name));
1.1 paf 134: }
135:
1.111 paf 136: static void _move(Request& r, MethodParams& params) {
137: Value& vfrom_file_name=params.as_no_junction(0, "from file name must not be code");
138: Value& vto_file_name=params.as_no_junction(1, "to file name must not be code");
1.45 parser 139:
1.51 parser 140: // move
1.68 paf 141: file_move(
1.45 parser 142: r.absolute(vfrom_file_name.as_string()),
143: r.absolute(vto_file_name.as_string()));
144: }
145:
1.148 misha 146: static void copy_process_source(
1.180 misha 147: struct stat& ,
148: int from_file,
149: const String& , const char* /*fname*/, bool,
150: void *context) {
1.148 misha 151: int& to_file=*static_cast<int *>(context);
152:
153: int nCount=0;
154: do {
155: unsigned char buffer[FILE_BUFFER_SIZE];
1.150 misha 156: nCount = file_block_read(from_file, buffer, sizeof(buffer));
1.148 misha 157: int written=write(to_file, buffer, nCount);
158: if( written < 0 )
1.179 misha 159: throw Exception("file.access",
1.148 misha 160: 0,
161: "write failed: %s (%d)", strerror(errno), errno);
162:
163: } while(nCount > 0);
164: }
165:
166: static void copy_open_target(int f, void *from_spec) {
167: String& file_spec=*static_cast<String *>(from_spec);
168: file_read_action_under_lock(file_spec, "copy", copy_process_source, &f);
169: };
170:
171: static void _copy(Request& r, MethodParams& params) {
172: Value& vfrom_file_name=params.as_no_junction(0, "from file name must not be code");
173: Value& vto_file_name=params.as_no_junction(1, "to file name must not be code");
174:
175: String from_spec = r.absolute(vfrom_file_name.as_string());
176: const String& to_spec = r.absolute(vto_file_name.as_string());
177:
178: file_write_action_under_lock(
179: to_spec,
180: "copy",
181: copy_open_target,
1.149 misha 182: &from_spec);
1.148 misha 183: }
184:
1.111 paf 185: static void _load_pass_param(
1.180 misha 186: HashStringValue::key_type key,
187: HashStringValue::value_type value,
188: HashStringValue *dest) {
1.111 paf 189: dest->put(key, value);
190: }
1.180 misha 191:
1.111 paf 192: static void _load(Request& r, MethodParams& params) {
1.215 misha 193: bool as_text=VFile::is_text_mode(params.as_string(0, MODE_MUST_NOT_BE_CODE));
194: const String& lfile_name=r.absolute(params.as_string(1, FILE_NAME_MUST_NOT_BE_CODE));
1.9 paf 195:
1.180 misha 196: size_t param_index=params.count()-1;
1.215 misha 197: Value* param_value=param_index>1?¶ms.as_no_junction(param_index, "file name or options must not be code"):0;
1.180 misha 198:
1.183 misha 199: HashStringValue* options=0;
1.215 misha 200: const String* user_file_name=0;
1.183 misha 201:
202: if(param_value){
203: options=param_value->get_hash();
204: if(options || param_index>2)
205: param_index--;
206: if(param_index>1){
207: const String& luser_file_name=params.as_string(param_index, FILE_NAME_MUST_BE_STRING);
208: if(!luser_file_name.is_empty())
1.215 misha 209: user_file_name=&luser_file_name;
1.183 misha 210: }
211: }
212: if(!user_file_name)
1.215 misha 213: user_file_name=&lfile_name;
1.180 misha 214:
1.132 paf 215: size_t offset=0;
216: size_t limit=0;
1.183 misha 217:
1.180 misha 218: if(options){
1.132 paf 219: options=new HashStringValue(*options);
1.180 misha 220: if(Value *voffset=(Value *)options->get(sql_offset_name)){
1.132 paf 221: offset=r.process_to_value(*voffset).as_int();
222: }
1.180 misha 223: if(Value *vlimit=(Value *)options->get(sql_limit_name)){
1.132 paf 224: limit=r.process_to_value(*vlimit).as_int();
225: }
226: // no check on options count here, see file_read
227: }
1.182 misha 228: File_read_result file=file_load(r, lfile_name,
1.180 misha 229: as_text, options, true, 0, offset, limit
1.104 paf 230: );
1.9 paf 231:
1.111 paf 232: Value* vcontent_type=0;
1.168 misha 233: if(file.headers){
1.181 misha 234: if(Value* remote_content_type=file.headers->get(HTTP_CONTENT_TYPE_UPPER))
1.129 paf 235: vcontent_type=new VString(*new String(remote_content_type->as_string().cstr()));
236: }
1.221 ! misha 237:
1.111 paf 238: VFile& self=GET_SELF(r, VFile);
1.221 ! misha 239: self.set(true/*tainted*/, as_text, file.str, file.length, user_file_name, vcontent_type, &r);
1.194 misha 240:
1.168 misha 241: if(file.headers){
1.143 paf 242: file.headers->for_each<HashStringValue*>(_load_pass_param, &self.fields());
1.168 misha 243: } else {
244: size_t size;
245: time_t atime, mtime, ctime;
246:
1.169 misha 247: file_stat(lfile_name, size, atime, mtime, ctime);
1.168 misha 248:
249: HashStringValue& ff=self.fields();
250: ff.put(adate_name, new VDate(atime));
251: ff.put(mdate_name, new VDate(mtime));
252: ff.put(cdate_name, new VDate(ctime));
253: }
1.9 paf 254: }
255:
1.138 paf 256: static void _create(Request& r, MethodParams& params) {
1.215 misha 257: const String* mode=0;
258: const String* file_name=0;
259: bool is_text=true;
260:
261: // new format: ^file::create[string-or-file-content[;$.mode[text|binary] $.name[...] $.content-type[...] $.charset[...] ]]
262: size_t content_index=0;
263: size_t options_index=1;
264: bool extended_options=true;
265:
266: if(params.count()>=3){
267: // old format: ^file::create[text|binary;file-name;string-or-file-content[;options]]
268: mode=¶ms.as_string(0, MODE_MUST_NOT_BE_CODE);
269: is_text=VFile::is_text_mode(*mode);
270: file_name=¶ms.as_string(1, FILE_NAME_MUST_NOT_BE_CODE);
271: content_index=2;
272: options_index=3;
273: extended_options=false;
274: }
1.203 misha 275:
1.211 misha 276: VString* vcontent_type=0;
1.215 misha 277: Charset* asked_charset=0;
278: if(params.count()>options_index)
279: if(HashStringValue* options=params.as_hash(options_index)) {
1.203 misha 280: int valid_options=0;
1.215 misha 281: if(extended_options) {
282: if(Value* vmode=options->get(MODE_NAME)) {
283: mode=&vmode->as_string();
284: is_text=VFile::is_text_mode(*mode);
285: valid_options++;
286: }
287: if(Value* vfile_name=options->get(NAME_NAME)) {
288: file_name=&vfile_name->as_string();
289: valid_options++;
290: }
291: }
292: if(Value* vcharset_name=options->get(PA_CHARSET_NAME)) {
1.203 misha 293: asked_charset=&::charsets.get(vcharset_name->as_string().change_case(r.charsets.source(), String::CC_UPPER));
294: valid_options++;
295: }
1.211 misha 296: if(Value* value=options->get(CONTENT_TYPE_NAME)) {
297: vcontent_type=new VString(value->as_string());
298: valid_options++;
299: }
1.203 misha 300: if(valid_options != options->count())
1.207 misha 301: throw Exception(PARSER_RUNTIME, 0, CALLED_WITH_INVALID_OPTION);
1.215 misha 302: }
1.211 misha 303:
1.215 misha 304: Value& vcontent=params.as_no_junction(content_index, "content must be string or file");
1.203 misha 305:
1.138 paf 306: VFile& self=GET_SELF(r, VFile);
1.194 misha 307:
1.215 misha 308: if(const String* content_str=vcontent.get_string()){
309: String::Body body=content_str->cstr_to_string_body_untaint(String::L_AS_IS); // explode content, honor tainting changes
310: if(asked_charset && is_text)
311: body=Charset::transcode(body, r.charsets.source(), *asked_charset);
1.221 ! misha 312:
! 313: self.set(true/*tainted*/, is_text, body.cstrm(), body.length());
1.215 misha 314: } else {
315: if(asked_charset)
316: throw Exception(PARSER_RUNTIME, 0, "charset option can not be used with file-content");
317: self.set(*vcontent.as_vfile(String::L_AS_IS));
1.221 ! misha 318: self.set_mode(is_text);
1.215 misha 319: }
320:
321: self.set_name(file_name);
322:
323: self.set_content_type(vcontent_type, file_name, &r);
1.138 paf 324: }
325:
1.111 paf 326: static void _stat(Request& r, MethodParams& params) {
1.215 misha 327: const String& lfile_name=params.as_string(0, FILE_NAME_MUST_NOT_BE_CODE);
1.25 paf 328:
1.40 parser 329: size_t size;
330: time_t atime, mtime, ctime;
331: file_stat(r.absolute(lfile_name),
332: size,
333: atime, mtime, ctime);
1.25 paf 334:
1.111 paf 335: VFile& self=GET_SELF(r, VFile);
1.167 misha 336:
1.221 ! misha 337: self.set(true/*tainted*/, false/*binary*/, 0/*no bytes*/, size, &lfile_name, 0, &r);
1.111 paf 338: HashStringValue& ff=self.fields();
339: ff.put(adate_name, new VDate(atime));
340: ff.put(mdate_name, new VDate(mtime));
341: ff.put(cdate_name, new VDate(ctime));
1.25 paf 342: }
343:
1.111 paf 344: static bool is_safe_env_key(const char* key) {
345: for(const char* validator=key; *validator; validator++) {
346: char c=*validator;
347: if(!(c>='A' && c<='Z' || c>='0' && c<='9' || c=='_' || c=='-'))
348: return false;
349: }
1.205 pretende 350: #ifdef PA_SAFE_MODE
1.88 paf 351: if(strncasecmp(key, "HTTP_", 5)==0)
1.83 paf 352: return true;
1.87 paf 353: if(strncasecmp(key, "CGI_", 4)==0)
1.83 paf 354: return true;
355: for(int i=0; suexec_safe_env_lst[i]; i++) {
1.87 paf 356: if(strcasecmp(key, suexec_safe_env_lst[i])==0)
1.83 paf 357: return true;
358: }
359: return false;
1.205 pretende 360: #else
361: return true;
362: #endif
1.83 paf 363: }
1.90 paf 364: #ifndef DOXYGEN
365: struct Append_env_pair_info {
1.141 paf 366: Request_charsets* charsets;
1.111 paf 367: HashStringString* env;
1.100 paf 368: Value* vstdin;
1.90 paf 369: };
370: #endif
1.111 paf 371: static void append_env_pair(
1.180 misha 372: HashStringValue::key_type akey,
373: HashStringValue::value_type avalue,
374: Append_env_pair_info *info) {
1.111 paf 375: if(akey==STDIN_EXEC_PARAM_NAME) {
376: info->vstdin=avalue;
377: } else if(akey==CHARSET_EXEC_PARAM_NAME) {
1.141 paf 378: // ignore, already processed
1.90 paf 379: } else {
1.111 paf 380: if(!is_safe_env_key(akey.cstr()))
1.156 misha 381: throw Exception(PARSER_RUNTIME,
1.111 paf 382: new String(akey, String::L_TAINTED),
1.90 paf 383: "not safe environment variable");
1.196 misha 384: info->env->put(akey, avalue->as_string().cstr_to_string_body_untaint(String::L_AS_IS, 0, info->charsets));
1.90 paf 385: }
1.22 paf 386: }
1.94 paf 387: #ifndef DOXYGEN
388: struct Pass_cgi_header_attribute_info {
1.111 paf 389: Charset* charset;
390: HashStringValue* fields;
391: Value* content_type;
1.94 paf 392: };
393: #endif
1.111 paf 394: static void pass_cgi_header_attribute(
1.180 misha 395: ArrayString::element_type astring,
396: Pass_cgi_header_attribute_info* info) {
1.111 paf 397: size_t colon_pos=astring->pos(':');
1.130 paf 398: if(colon_pos!=STRING_NOT_FOUND) {
1.111 paf 399: const String& key=astring->mid(0, colon_pos).change_case(
400: *info->charset, String::CC_UPPER);
1.130 paf 401: Value* value=new VString(astring->mid(colon_pos+1, astring->length()).trim());
1.111 paf 402: info->fields->put(key, value);
1.181 misha 403: if(key==HTTP_CONTENT_TYPE_UPPER)
1.111 paf 404: info->content_type=value;
1.94 paf 405: }
1.29 paf 406: }
1.155 misha 407:
408: static void append_to_argv(Request& r, ArrayString& argv, const String* str){
1.187 misha 409: if(!str->is_empty())
1.196 misha 410: argv+=new String(str->cstr_to_string_body_untaint(String::L_AS_IS, 0, &r.charsets), String::L_AS_IS);
1.155 misha 411: }
412:
1.90 paf 413: /// @todo fix `` in perl - they produced flipping consoles and no output to perl
1.194 misha 414: static void _exec_cgi(Request& r, MethodParams& params, bool cgi) {
1.215 misha 415: bool is_text=true;
1.194 misha 416: size_t param_index=0;
1.215 misha 417: const String& mode=params.as_string(0, FIRST_ARG_MUST_NOT_BE_CODE);
418: if(VFile::is_valid_mode(mode)) {
419: is_text=VFile::is_text_mode(mode);
1.194 misha 420: param_index++;
1.162 misha 421: }
422:
423: if(param_index>=params.count())
1.215 misha 424: throw Exception(PARSER_RUNTIME, 0, FILE_NAME_MUST_BE_SPECIFIED);
1.162 misha 425:
1.215 misha 426: const String& script_name=r.absolute(params.as_string(param_index++, FILE_NAME_MUST_NOT_BE_CODE));
1.23 paf 427:
1.111 paf 428: HashStringString env;
1.62 paf 429: #define ECSTR(name, value_cstr) \
1.111 paf 430: if(value_cstr) \
431: env.put( \
1.112 paf 432: String::Body(#name), \
1.192 misha 433: String::Body(*value_cstr?value_cstr:0)); \
1.82 paf 434: // passing SAPI::environment
1.111 paf 435: if(const char *const *pairs=SAPI::environment(r.sapi_info)) {
436: while(const char* pair=*pairs++)
437: if(const char* eq_at=strchr(pair, '='))
438: if(eq_at[1]) // has value
439: env.put(
440: pa_strdup(pair, eq_at-pair),
441: pa_strdup(eq_at+1, 0));
1.82 paf 442: }
443:
1.23 paf 444: // const
1.63 paf 445: ECSTR(GATEWAY_INTERFACE, "CGI/1.1");
1.216 misha 446: ECSTR("PARSER_VERSION", PARSER_VERSION);
1.23 paf 447: // from Request.info
1.111 paf 448: ECSTR(DOCUMENT_ROOT, r.request_info.document_root);
449: ECSTR(PATH_TRANSLATED, r.request_info.path_translated);
450: ECSTR(REQUEST_METHOD, r.request_info.method);
451: ECSTR(QUERY_STRING, r.request_info.query_string);
452: ECSTR(REQUEST_URI, r.request_info.uri);
453: ECSTR(CONTENT_TYPE, r.request_info.content_type);
1.200 misha 454: ECSTR(CONTENT_LENGTH, format(r.request_info.content_length, "%u"));
1.82 paf 455: // SCRIPT_*
1.119 paf 456: env.put(String::Body("SCRIPT_NAME"), script_name);
457: //env.put(String::Body("SCRIPT_FILENAME"), ??&script_name);
1.23 paf 458:
1.90 paf 459: // environment & stdin from param
1.111 paf 460: String *in=new String();
1.109 paf 461: Charset *charset=0; // default script works raw_in 'source' charset = no transcoding needed
1.162 misha 462: if(param_index < params.count()) {
1.220 misha 463: if(HashStringValue* user_env=params.as_hash(param_index++, "env")) {
1.141 paf 464: // $.charset [previewing to handle URI pieces]
465: if(Value* vcharset=user_env->get(CHARSET_EXEC_PARAM_NAME))
466: charset=&charsets.get(vcharset->as_string()
467: .change_case(r.charsets.source(), String::CC_UPPER));
468:
469: // $.others
470: Append_env_pair_info info={&r.charsets, &env, 0};
471: {
1.144 paf 472: // influence tainting
473: // main target -- $.QUERY_STRING -- URLencoding of tainted pieces to String::L_URI lang
1.141 paf 474: Temp_client_charset temp(r.charsets, charset? *charset: r.charsets.source());
1.143 paf 475: user_env->for_each<Append_env_pair_info*>(append_env_pair, &info);
1.141 paf 476: }
1.109 paf 477: // $.stdin
1.103 paf 478: if(info.vstdin) {
1.111 paf 479: if(const String* sstdin=info.vstdin->get_string()) {
1.213 moko 480: // untaint stdin
481: in = new String(sstdin->cstr_to_string_body_untaint(String::L_AS_IS), String::L_AS_IS);
1.103 paf 482: } else
1.199 misha 483: if(VFile* vfile=static_cast<VFile *>(info.vstdin->as("file")))
1.111 paf 484: in->append_know_length((const char* )vfile->value_ptr(), vfile->value_size(), String::L_TAINTED);
1.100 paf 485: else
1.156 misha 486: throw Exception(PARSER_RUNTIME,
1.111 paf 487: 0,
1.100 paf 488: STDIN_EXEC_PARAM_NAME " parameter must be string or file");
1.103 paf 489: }
1.90 paf 490: }
1.21 paf 491: }
492:
1.90 paf 493: // argv from params
1.111 paf 494: ArrayString argv;
1.162 misha 495: if(param_index < params.count()) {
1.180 misha 496: // influence tainting
497: Temp_client_charset temp(r.charsets, charset? *charset: r.charsets.source());
1.154 misha 498:
1.162 misha 499: for(size_t i=param_index; i<params.count(); i++) {
1.161 misha 500: Value& param=params.as_no_junction(i, PARAM_MUST_NOT_BE_CODE);
1.154 misha 501: if(param.is_defined()){
502: if(param.is_string()){
1.155 misha 503: append_to_argv(r, argv, param.get_string());
1.154 misha 504: } else {
1.155 misha 505: Table* table=param.get_table();
506: if(table){
507: for(size_t i=0; i<table->count(); i++) {
508: append_to_argv(r, argv, table->get(i)->get(0));
1.154 misha 509: }
510: } else {
1.156 misha 511: throw Exception(PARSER_RUNTIME,
1.154 misha 512: 0,
1.162 misha 513: "param must be string or table");
1.154 misha 514: }
515: }
1.145 misha 516: }
1.144 paf 517: }
1.21 paf 518: }
1.90 paf 519:
1.109 paf 520: // transcode if necessary
521: if(charset) {
1.111 paf 522: Charset::transcode(env, r.charsets.source(), *charset);
523: Charset::transcode(argv, r.charsets.source(), *charset);
524: in=&Charset::transcode(*in, r.charsets.source(), *charset);
525: }
526: // @todo
527: // ifdef WIN32 do OEM->ANSI transcode on some(.cmd?) programs to
528: // match silent conversion in OS
529:
530: // exec!
1.163 misha 531: PA_exec_result execution=pa_exec(false/*forced_allow*/, script_name, &env, argv, *in);
1.111 paf 532:
1.162 misha 533: File_read_result *file_out=&execution.out;
1.111 paf 534: String *real_err=&execution.err;
1.162 misha 535:
1.165 misha 536: // transcode err if necessary (@todo: need fix line breaks in err as well )
537: if(charset)
538: real_err=&Charset::transcode(*real_err, *charset, r.charsets.source());
539:
1.215 misha 540: if(file_out->length && is_text){
1.162 misha 541: fix_line_breaks(file_out->str, file_out->length);
542: // treat output as string
1.188 misha 543: String *real_out = new String(file_out->str);
1.162 misha 544:
1.165 misha 545: // transcode out if necessary
546: if(charset)
1.162 misha 547: real_out=&Charset::transcode(*real_out, *charset, r.charsets.source());
1.165 misha 548:
1.162 misha 549: // FIXME: unsafe cast
1.163 misha 550: file_out->str=const_cast<char *>(real_out->cstr()); // hacking a little
1.162 misha 551: file_out->length = real_out->length();
1.109 paf 552: }
553:
1.111 paf 554: VFile& self=GET_SELF(r, VFile);
1.109 paf 555:
1.162 misha 556: if(cgi) { // ^file::cgi
1.163 misha 557: const char* eol_marker=0;
558: size_t eol_marker_size;
559:
1.111 paf 560: // construct with 'out' body and header
1.165 misha 561: size_t dos_pos=(file_out->length)?strpos(file_out->str, "\r\n\r\n"):STRING_NOT_FOUND;
562: size_t unix_pos=(file_out->length)?strpos(file_out->str, "\n\n"):STRING_NOT_FOUND;
1.111 paf 563:
564: bool unix_header_break;
565: switch((dos_pos!=STRING_NOT_FOUND?10:00) + (unix_pos!=STRING_NOT_FOUND?01:00)) {
1.166 misha 566: case 10: // dos
567: unix_header_break=false;
568: break;
569: case 01: // unix
570: unix_header_break=true;
571: break;
572: case 11: // dos & unix
573: unix_header_break=unix_pos<dos_pos;
574: break;
575: default: // 00
576: unix_header_break=false; // calm down, compiler
1.179 misha 577: throw Exception("file.execute",
1.166 misha 578: 0,
579: "output does not contain CGI header; "
580: "exit status=%d; stdoutsize=%u; stdout: \"%s\"; stderrsize=%u; stderr: \"%s\"",
581: execution.status,
1.194 misha 582: file_out->length, (file_out->length) ? (file_out->str) : "",
583: real_err->length(), real_err->cstr());
1.166 misha 584: break; //never reached
1.111 paf 585: }
586:
1.165 misha 587: size_t header_break_pos;
1.111 paf 588: if(unix_header_break) {
589: header_break_pos=unix_pos;
1.165 misha 590: eol_marker="\n";
591: eol_marker_size=1;
1.111 paf 592: } else {
593: header_break_pos=dos_pos;
1.165 misha 594: eol_marker="\r\n";
595: eol_marker_size=2;
1.111 paf 596: }
1.21 paf 597:
1.162 misha 598: file_out->str[header_break_pos] = 0;
1.188 misha 599: String *header=new String(file_out->str);
1.162 misha 600: unsigned long headersize = header_break_pos+eol_marker_size*2;
601: file_out->str += headersize;
602: file_out->length -= headersize;
603:
1.164 misha 604: // $body
1.221 ! misha 605: self.set(false/*not tainted*/, is_text, file_out->str, file_out->length);
1.164 misha 606:
1.162 misha 607: // $fields << header
1.194 misha 608: if(header) {
1.162 misha 609: ArrayString rows;
610: size_t pos_after=0;
611: header->split(rows, pos_after, eol_marker);
612: Pass_cgi_header_attribute_info info={0, 0, 0};
613: info.charset=&r.charsets.source();
614: info.fields=&self.fields();
615: rows.for_each(pass_cgi_header_attribute, &info);
616: if(info.content_type)
617: self.fields().put(content_type_name, info.content_type);
618: }
1.164 misha 619: } else { // ^file::exec
1.166 misha 620: // $body
1.221 ! misha 621: self.set(false/*not tainted*/, is_text, file_out->str, file_out->length);
1.164 misha 622: }
1.163 misha 623:
1.42 parser 624: // $status
1.111 paf 625: self.fields().put(file_status_name, new VInt(execution.status));
1.21 paf 626:
627: // $stderr
1.187 misha 628: if(!real_err->is_empty())
1.21 paf 629: self.fields().put(
1.119 paf 630: String::Body("stderr"),
1.111 paf 631: new VString(*real_err));
1.21 paf 632: }
1.111 paf 633: static void _exec(Request& r, MethodParams& params) {
634: _exec_cgi(r, params, false);
1.41 parser 635: }
1.111 paf 636: static void _cgi(Request& r, MethodParams& params) {
637: _exec_cgi(r, params, true);
1.41 parser 638: }
639:
1.111 paf 640: static void _list(Request& r, MethodParams& params) {
641: Value& relative_path=params.as_no_junction(0, "path must not be code");
1.47 parser 642:
1.191 misha 643: VRegex* vregex=0;
1.184 misha 644: VRegexCleaner vrcleaner;
645: if(params.count()>1){
646: Value& regexp=params.as_no_junction(1, "regexp must not be code");
1.191 misha 647: if(regexp.is_defined()){
1.199 misha 648: if(Value* value=regexp.as(VREGEX_TYPE)){
1.191 misha 649: vregex=static_cast<VRegex*>(value);
650: } else {
651: vregex=new VRegex(r.charsets.source(), ®exp.as_string(), 0/*options*/);
652: vregex->study();
653: vrcleaner.vregex=vregex;
654: }
1.184 misha 655: }
1.114 paf 656: }
1.47 parser 657:
1.196 misha 658: const char* absolute_path_cstr=r.absolute(relative_path.as_string()).taint_cstr(String::L_FILE_SPEC);
1.47 parser 659:
1.111 paf 660: Table::columns_type columns(new ArrayString);
661: *columns+=new String("name");
662: Table& table=*new Table(columns);
1.47 parser 663:
1.184 misha 664: const int ovector_size=(1/*match*/)*3;
665: int ovector[ovector_size];
666:
1.47 parser 667: LOAD_DIR(absolute_path_cstr,
1.111 paf 668: const char* file_name_cstr=ffblk.ff_name;
669: size_t file_name_size=strlen(file_name_cstr);
1.47 parser 670:
1.184 misha 671: if(!vregex || vregex->exec(ffblk.ff_name, file_name_size, ovector, ovector_size)>=0) {
1.111 paf 672: Table::element_type row(new ArrayString);
1.190 misha 673: *row+=new String(pa_strdup(file_name_cstr, file_name_size), String::L_TAINTED);
1.111 paf 674: table+=row;
1.47 parser 675: }
676: );
677:
1.60 parser 678: // write out result
1.111 paf 679: r.write_no_lang(*new VTable(&table));
1.47 parser 680: }
1.21 paf 681:
1.69 paf 682: #ifndef DOXYGEN
683: struct Lock_execute_body_info {
1.111 paf 684: Request* r;
685: Value* body_code;
1.69 paf 686: };
687: #endif
1.111 paf 688: static void lock_execute_body(int , void *ainfo) {
689: Lock_execute_body_info& info=*static_cast<Lock_execute_body_info *>(ainfo);
1.69 paf 690: // execute body
1.78 paf 691: info.r->write_assign_lang(info.r->process(*info.body_code));
1.69 paf 692: };
1.111 paf 693: static void _lock(Request& r, MethodParams& params) {
1.152 misha 694: const String& file_spec=r.absolute(params.as_string(0, FILE_NAME_MUST_BE_STRING));
1.116 paf 695: Lock_execute_body_info info={
696: &r,
1.117 paf 697: ¶ms.as_junction(1, "body must be code")
1.116 paf 698: };
1.69 paf 699:
1.158 misha 700: file_write_action_under_lock(
701: file_spec,
702: "lock",
703: lock_execute_body,
704: &info);
1.69 paf 705: }
706:
1.219 misha 707: static size_t afterlastslash(const String& str) {
708: size_t pos=str.strrpbrk("/\\");
709: return pos!=STRING_NOT_FOUND?pos+1:0;
710: }
711:
712: static size_t afterlastslash(const String& str, size_t right) {
713: size_t pos=str.strrpbrk("/\\", 0, right);
714: return pos!=STRING_NOT_FOUND?pos+1:0;
715: }
716:
1.111 paf 717: static void _find(Request& r, MethodParams& params) {
1.215 misha 718: const String& file_name=params.as_string(0, FILE_NAME_MUST_NOT_BE_CODE);
1.219 misha 719:
1.215 misha 720: Value* not_found_code=(params.count()==2)?¶ms.as_junction(1, "not-found param must be code"):0;
721:
1.111 paf 722: const String* file_spec;
1.90 paf 723: if(file_name.first_char()=='/')
724: file_spec=&file_name;
725: else
1.111 paf 726: file_spec=&r.relative(r.request_info.uri, file_name);
1.90 paf 727:
728: // easy way
1.142 paf 729: if(file_exist(r.absolute(*file_spec))) {
1.96 paf 730: r.write_assign_lang(*file_spec);
1.90 paf 731: return;
732: }
733:
734: // monkey way
1.219 misha 735: size_t last_slash=file_spec->strrpbrk("/\\");
736: const String& dirname=file_spec->mid(0, last_slash!=STRING_NOT_FOUND?last_slash:0);
737: const String& basename=file_spec->mid(last_slash!=STRING_NOT_FOUND?last_slash+1:0, file_spec->length());
738:
739: size_t rpos=dirname.is_empty()?0:dirname.length()-1;
740: while((rpos=dirname.rskipchars("/\\", 0, rpos))!=STRING_NOT_FOUND){
741: size_t slash=dirname.strrpbrk("/\\", 0, rpos);
742: if(slash==STRING_NOT_FOUND)
743: break;
1.111 paf 744: String test_name;
1.219 misha 745: test_name << dirname.mid(0, slash+1);
746: test_name << basename;
1.142 paf 747: if(file_exist(r.absolute(test_name))) {
1.111 paf 748: r.write_assign_lang(test_name);
1.90 paf 749: return;
750: }
1.219 misha 751: rpos=slash;
1.90 paf 752: }
753:
754: // no way, not found
1.215 misha 755: if(not_found_code)
756: r.write_pass_lang(r.process(*not_found_code));
1.90 paf 757: }
758:
1.111 paf 759: static void _dirname(Request& r, MethodParams& params) {
1.152 misha 760: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.219 misha 761: // works as *nix dirname
762:
763: // empty > .
764: // / > /
765: // /a > /
766: // /a/ > /
1.180 misha 767: // /a/some.tar.gz > /a
1.219 misha 768: // /a/b/ > /a
769: // /a///b/ > /a
770: // /a/b/// > /a
771: // file > .
772:
773: if(file_spec.is_empty()) {
774: r.write_assign_lang(String("."));
775: return;
776: }
777:
778: size_t p;
779: size_t slash;
780: if((p=file_spec.rskipchars("/\\"))==STRING_NOT_FOUND)
781: r.write_assign_lang(String("/"));
782: else {
783: if((slash=file_spec.strrpbrk("/\\", 0, p))!=STRING_NOT_FOUND) {
784: if((p=file_spec.rskipchars("/\\", 0, slash))==STRING_NOT_FOUND)
785: p=slash;
786: r.write_assign_lang(file_spec.mid(0, p+1));
787: return;
788: }
1.189 misha 789: r.write_assign_lang(String("."));
1.219 misha 790: }
1.89 paf 791: }
792:
1.111 paf 793: static void _basename(Request& r, MethodParams& params) {
1.152 misha 794: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.219 misha 795: // works as *nix basename
796:
797: // empty > .
798: // / > /
799: // /a > a
800: // /a/ > a
1.180 misha 801: // /a/some.tar.gz > some.tar.gz
1.219 misha 802: // /a/b/ > b
803: // /a///b/ > b
804: // /a/b/// > b
805: // file > file
806:
807: if(file_spec.is_empty()) {
808: r.write_assign_lang(String("."));
809: return;
810: }
811:
812: size_t p=file_spec.rskipchars("/\\");
813: if(p==STRING_NOT_FOUND)
814: r.write_assign_lang(String("/"));
815: else
816: r.write_assign_lang(file_spec.mid(afterlastslash(file_spec, p), p+1));
1.89 paf 817: }
818:
1.111 paf 819: static void _justname(Request& r, MethodParams& params) {
1.152 misha 820: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.180 misha 821: // /a/some.tar.gz > some.tar
1.219 misha 822: // /a/b.c/ > empty
823: // /a/b.c > b
824: size_t pos=afterlastslash(file_spec);
825: size_t dotpos=file_spec.strrpbrk(".", pos);
826: r.write_assign_lang(file_spec.mid(pos, dotpos!=STRING_NOT_FOUND?dotpos:file_spec.length()));
1.89 paf 827: }
1.219 misha 828:
1.111 paf 829: static void _justext(Request& r, MethodParams& params) {
1.152 misha 830: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.180 misha 831: // /a/some.tar.gz > gz
1.219 misha 832: // /a/b.c/ > empty
833: size_t pos=afterlastslash(file_spec);
834: size_t dotpos=file_spec.strrpbrk(".", pos);
835: if(dotpos!=STRING_NOT_FOUND)
836: r.write_assign_lang(file_spec.mid(dotpos+1, file_spec.length()));
1.89 paf 837: }
838:
1.111 paf 839: static void _fullpath(Request& r, MethodParams& params) {
1.152 misha 840: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.111 paf 841: const String* result;
1.102 paf 842: if(file_spec.first_char()=='/')
843: result=&file_spec;
844: else {
845: // /some/page.html: ^file:fullpath[a.gif] => /some/a.gif
846: const String& full_disk_path=r.absolute(file_spec);
1.111 paf 847: size_t document_root_length=strlen(r.request_info.document_root);
1.106 paf 848:
849: if(document_root_length>0) {
1.111 paf 850: char last_char=r.request_info.document_root[document_root_length-1];
1.106 paf 851: if(last_char == '/' || last_char == '\\')
852: --document_root_length;
853: }
1.111 paf 854: result=&full_disk_path.mid(document_root_length, full_disk_path.length());
1.102 paf 855: }
856: r.write_assign_lang(*result);
857: }
858:
1.121 paf 859: static void _sql_string(Request& r, MethodParams&) {
860: VFile& self=GET_SELF(r, VFile);
861:
862: const char *quoted=r.connection()->quote(self.value_ptr(), self.value_size());
863: r.write_assign_lang(*new String(quoted));
864: }
1.89 paf 865:
1.122 paf 866: #ifndef DOXYGEN
867: class File_sql_event_handlers: public SQL_Driver_query_event_handlers {
868: const String& statement_string; const char* statement_cstr;
869: int got_columns;
870: int got_cells;
871: public:
872: String::C value;
1.131 paf 873: const String* user_file_name;
874: const String* user_content_type;
1.122 paf 875: public:
876: File_sql_event_handlers(
877: const String& astatement_string, const char* astatement_cstr):
878: statement_string(astatement_string), statement_cstr(astatement_cstr),
879: got_columns(0),
880: got_cells(0),
881: user_file_name(0),
882: user_content_type(0) {}
883:
884: bool add_column(SQL_Error& error, const char* /*str*/, size_t /*length*/) {
885: if(got_columns++==3) {
1.156 misha 886: error=SQL_Error(PARSER_RUNTIME, "result must contain not more then 3 columns");
1.122 paf 887: return true;
888: }
889: return false;
890: }
891: bool before_rows(SQL_Error& /*error*/ ) { /* ignore */ return false; }
892: bool add_row(SQL_Error& /*error*/) { /* ignore */ return false; }
893: bool add_row_cell(SQL_Error& error, const char* str, size_t length) {
894: try {
895: switch(got_cells++) {
896: case 0:
897: value=String::C(str, length);
898: break;
899: case 1:
1.131 paf 900: if(!user_file_name) // user not specified?
1.190 misha 901: user_file_name=new String(str, String::L_TAINTED);
1.122 paf 902: break;
903: case 2:
1.131 paf 904: if(!user_content_type) // user not specified?
1.190 misha 905: user_content_type=new String(str, String::L_TAINTED);
1.122 paf 906: break;
907: default:
1.210 misha 908: error=SQL_Error(PARSER_RUNTIME, "result must not contain more then one row, three columns");
1.122 paf 909: return true;
910: }
911: return false;
912: } catch(...) {
913: error=SQL_Error("exception occured in File_sql_event_handlers::add_row_cell");
914: return true;
915: }
916: }
917: };
918: #endif
919: static void _sql(Request& r, MethodParams& params) {
1.131 paf 920: Value& statement=params.as_junction(0, "statement must be code");
1.122 paf 921:
922: Temp_lang temp_lang(r, String::L_SQL);
923: const String& statement_string=r.process_to_string(statement);
1.197 misha 924: const char* statement_cstr=statement_string.untaint_cstr(r.flang, r.connection());
1.195 misha 925:
1.122 paf 926: File_sql_event_handlers handlers(statement_string, statement_cstr);
1.131 paf 927:
1.173 misha 928: ulong limit=SQL_NO_LIMIT;
1.172 misha 929: ulong offset=0;
930:
1.131 paf 931: if(params.count()>1)
1.220 misha 932: if(HashStringValue* options=params.as_hash(1, "sql options")) {
1.131 paf 933: int valid_options=0;
934: if(Value* vfilename=options->get(NAME_NAME)) {
935: valid_options++;
936: handlers.user_file_name=&vfilename->as_string();
937: }
938: if(Value* vcontent_type=options->get(CONTENT_TYPE_NAME)) {
939: valid_options++;
940: handlers.user_content_type=&vcontent_type->as_string();
941: }
1.173 misha 942: if(Value* vlimit=options->get(sql_limit_name)) {
943: valid_options++;
944: limit=(ulong)r.process_to_value(*vlimit).as_double();
945: }
1.172 misha 946: if(Value* voffset=options->get(sql_offset_name)) {
947: valid_options++;
948: offset=(ulong)r.process_to_value(*voffset).as_double();
949: }
1.131 paf 950: if(valid_options!=options->count())
1.207 misha 951: throw Exception(PARSER_RUNTIME, 0, CALLED_WITH_INVALID_OPTION);
1.131 paf 952: }
953:
954:
1.122 paf 955: r.connection()->query(
1.123 paf 956: statement_cstr,
957: 0, 0,
1.173 misha 958: offset, limit,
1.122 paf 959: handlers,
960: statement_string);
961:
962: if(!handlers.value)
1.156 misha 963: throw Exception(PARSER_RUNTIME,
1.122 paf 964: 0,
965: "produced no result");
966:
1.215 misha 967: VFile& self=GET_SELF(r, VFile);
1.122 paf 968:
1.221 ! misha 969: self.set(true/*tainted*/, false/*binary*/, (char*)handlers.value.str, handlers.value.length, handlers.user_file_name
1.215 misha 970: , handlers.user_content_type ? new VString(*handlers.user_content_type) : 0
971: , &r);
1.122 paf 972: }
1.140 paf 973:
1.139 paf 974: static void _base64(Request& r, MethodParams& params) {
1.209 misha 975: bool dynamic=!(&r.get_self() == file_class);
976: if(dynamic) {
1.180 misha 977: VFile& self=GET_SELF(r, VFile);
978: if(params.count()) {
1.209 misha 979: // decode:
980: // ^file::base64[encoded] // backward
1.217 misha 981: // ^file::base64[mode;user-file-name;encoded[;$.content-type[...] $.strict(true|false)]]
1.209 misha 982: bool is_text=false;
1.217 misha 983: bool strict=false;
1.209 misha 984: VString* vcontent_type=0;
1.215 misha 985: const String* user_file_name=0;
1.209 misha 986: size_t param_index=0;
987:
988: if(params.count() > 1) {
989: if(params.count() < 3)
990: throw Exception(PARSER_RUNTIME,
991: 0,
1.215 misha 992: "constructor can not have less then 3 parameters (has %d parameters)",
1.209 misha 993: params.count()); // actually it accepts 1 parameter (backward)
994:
1.215 misha 995: is_text=VFile::is_text_mode(params.as_string(0, MODE_MUST_NOT_BE_CODE));
996: user_file_name=¶ms.as_string(1, FILE_NAME_MUST_BE_STRING);
1.209 misha 997:
998: if(params.count() == 4)
999: if(HashStringValue* options=params.as_hash(3)) {
1000: int valid_options=0;
1001: if(Value* value=options->get(CONTENT_TYPE_NAME)) {
1002: vcontent_type=new VString(value->as_string());
1003: valid_options++;
1004: }
1.217 misha 1005: if(Value* vstrict=options->get(BASE64_STRICT_OPTION_NAME)) {
1006: strict=r.process_to_value(*vstrict).as_bool();
1007: valid_options++;
1008: }
1.209 misha 1009: if(valid_options!=options->count())
1010: throw Exception(PARSER_RUNTIME, 0, CALLED_WITH_INVALID_OPTION);
1011: }
1012:
1013: param_index=2;
1014: }
1015:
1016: const char* encoded=params.as_string(param_index, PARAMETER_MUST_BE_STRING).cstr();
1017:
1.180 misha 1018: char* decoded=0;
1019: size_t length=0;
1.217 misha 1020: pa_base64_decode(encoded, strlen(encoded), decoded, length, strict);
1.209 misha 1021:
1.221 ! misha 1022: self.set(true/*tainted*/, is_text, decoded, length, user_file_name, vcontent_type, &r);
1.180 misha 1023: } else {
1024: // encode: ^f.base64[]
1025: const char* encoded=pa_base64_encode(self.value_ptr(), self.value_size());
1.190 misha 1026: r.write_assign_lang(*new String(encoded, String::L_TAINTED/*once ?param=base64(something) was needed**/));
1.180 misha 1027: }
1.151 misha 1028: } else {
1.180 misha 1029: // encode: ^file:base64[filespec]
1.152 misha 1030: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.151 misha 1031: const char* encoded=pa_base64_encode(r.absolute(file_spec));
1.190 misha 1032: r.write_assign_lang(*new String(encoded, String::L_TAINTED/*once ?param=base64(something) was needed*/));
1.151 misha 1033: }
1.139 paf 1034: }
1.140 paf 1035:
1.146 misha 1036: static void _crc32(Request& r, MethodParams& params) {
1037: unsigned long crc32 = 0;
1038: if(&r.get_self() == file_class) {
1039: // ^file:crc32[file-name]
1040: if(params.count()) {
1.152 misha 1041: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.146 misha 1042: crc32=pa_crc32(r.absolute(file_spec));
1043: } else {
1.215 misha 1044: throw Exception(PARSER_RUNTIME, 0, FILE_NAME_MUST_BE_SPECIFIED);
1.146 misha 1045: }
1046: } else {
1047: // ^file.crc32[]
1048: VFile& self=GET_SELF(r, VFile);
1049: crc32=pa_crc32(self.value_ptr(), self.value_size());
1050: }
1051: r.write_no_lang(*new VInt(crc32));
1052: }
1053:
1054:
1.147 misha 1055: static void file_md5_file_action(
1.180 misha 1056: struct stat& finfo,
1057: int f,
1058: const String& , const char* /*fname*/, bool,
1059: void *context)
1.147 misha 1060: {
1061: PA_MD5_CTX& md5context=*static_cast<PA_MD5_CTX *>(context);
1062: if(finfo.st_size) {
1.148 misha 1063: int nCount=0;
1.147 misha 1064: do {
1065: unsigned char buffer[FILE_BUFFER_SIZE];
1.150 misha 1066: nCount = file_block_read(f, buffer, sizeof(buffer));
1.147 misha 1067: if ( nCount ){
1068: pa_MD5Update(&md5context, (const unsigned char*)buffer, nCount);
1069: }
1.148 misha 1070: } while(nCount > 0);
1.147 misha 1071: }
1072: }
1073:
1074: const char* pa_md5(const String& file_spec)
1075: {
1076: PA_MD5_CTX context;
1077: unsigned char digest[16];
1078: pa_MD5Init(&context);
1079: file_read_action_under_lock(file_spec, "md5", file_md5_file_action, &context);
1080: pa_MD5Final(digest, &context);
1081:
1082: return hex_string(digest, sizeof(digest), false);
1083: }
1084:
1085: const char* pa_md5(const char *in, size_t in_size)
1086: {
1087: PA_MD5_CTX context;
1088: unsigned char digest[16];
1089: pa_MD5Init(&context);
1090: pa_MD5Update(&context, (const unsigned char*)in, in_size);
1091: pa_MD5Final(digest, &context);
1092:
1093: return hex_string(digest, sizeof(digest), false);
1094: }
1095:
1096: static void _md5(Request& r, MethodParams& params) {
1097: const char* md5;
1098: if(&r.get_self() == file_class) {
1099: // ^file:md5[file-name]
1100: if(params.count()) {
1.152 misha 1101: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.147 misha 1102: md5=pa_md5(r.absolute(file_spec));
1103: } else {
1.215 misha 1104: throw Exception(PARSER_RUNTIME, 0, FILE_NAME_MUST_BE_SPECIFIED);
1.147 misha 1105: }
1106: } else {
1107: // ^file.md5[]
1108: VFile& self=GET_SELF(r, VFile);
1109: md5=pa_md5(self.value_ptr(), self.value_size());
1110:
1111: }
1112: r.write_no_lang(*new String(md5));
1113: }
1114:
1.32 paf 1115: // constructor
1116:
1.111 paf 1117: MFile::MFile(): Methoded("file") {
1.215 misha 1118: // ^file::create[text|binary;file-name;string-or-file[;options hash]]
1119: // ^file::create[string-or-file[;options hash]]
1120: add_native_method("create", Method::CT_DYNAMIC, _create, 1, 4);
1.138 paf 1121:
1.146 misha 1122: // ^file.save[mode;file-name]
1.201 misha 1123: // ^file.save[mode;file-name;$.charset[...]]
1124: add_native_method("save", Method::CT_DYNAMIC, _save, 2, 3);
1.7 paf 1125:
1.146 misha 1126: // ^file:delete[file-name]
1.32 paf 1127: add_native_method("delete", Method::CT_STATIC, _delete, 1, 1);
1.45 parser 1128:
1.146 misha 1129: // ^file:move[from-file-name;to-file-name]
1.45 parser 1130: add_native_method("move", Method::CT_STATIC, _move, 2, 2);
1.8 paf 1131:
1.146 misha 1132: // ^file::load[mode;disk-name]
1133: // ^file::load[mode;disk-name;user-name]
1.201 misha 1134: // ^file::load[mode;disk-name;user-name;options hash]
1135: // ^file::load[mode;disk-name;options hash]
1.180 misha 1136: add_native_method("load", Method::CT_DYNAMIC, _load, 2, 4);
1.25 paf 1137:
1.146 misha 1138: // ^file::stat[disk-name]
1.32 paf 1139: add_native_method("stat", Method::CT_DYNAMIC, _stat, 1, 1);
1.21 paf 1140:
1.162 misha 1141: // ^file::cgi[mode;file-name]
1142: // ^file::cgi[mode;file-name;env hash]
1143: // ^file::cgi[mode;file-name;env hash;1cmd;2line;3ar;4g;5s]
1144: add_native_method("cgi", Method::CT_DYNAMIC, _cgi, 1, 3+50);
1145:
1146: // ^file::exec[mode;file-name]
1147: // ^file::exec[mode;file-name;env hash]
1148: // ^file::exec[mode;file-name;env hash;1cmd;2line;3ar;4g;5s]
1149: add_native_method("exec", Method::CT_DYNAMIC, _exec, 1, 3+50);
1.47 parser 1150:
1151: // ^file:list[path]
1152: // ^file:list[path][regexp]
1153: add_native_method("list", Method::CT_STATIC, _list, 1, 2);
1.69 paf 1154:
1155: // ^file:lock[path]{code}
1156: add_native_method("lock", Method::CT_STATIC, _lock, 2, 2);
1.90 paf 1157:
1.146 misha 1158: // ^file:find[file-name]
1159: // ^file:find[file-name]{when-not-found}
1.90 paf 1160: add_native_method("find", Method::CT_STATIC, _find, 1, 2);
1.47 parser 1161:
1.201 misha 1162: // ^file:dirname[/a/some.tar.gz]=/a
1.89 paf 1163: // ^file:dirname[/a/b/]=/a
1164: add_native_method("dirname", Method::CT_STATIC, _dirname, 1, 1);
1.201 misha 1165: // ^file:basename[/a/some.tar.gz]=some.tar.gz
1166: add_native_method("basename", Method::CT_STATIC, _basename, 1, 1);
1167: // ^file:justname[/a/some.tar.gz]=some.tar
1.89 paf 1168: add_native_method("justname", Method::CT_STATIC, _justname, 1, 1);
1.201 misha 1169: // ^file:justext[/a/some.tar.gz]=gz
1.89 paf 1170: add_native_method("justext", Method::CT_STATIC, _justext, 1, 1);
1.201 misha 1171: // /some/page.html: ^file:fullpath[a.gif] => /some/a.gif
1.102 paf 1172: add_native_method("fullpath", Method::CT_STATIC, _fullpath, 1, 1);
1.121 paf 1173:
1.201 misha 1174: // ^file.sql-string[]
1.121 paf 1175: add_native_method("sql-string", Method::CT_DYNAMIC, _sql_string, 0, 0);
1.122 paf 1176:
1.209 misha 1177: // ^file::sql{}
1.201 misha 1178: // ^file::sql{}[options hash]
1.122 paf 1179: add_native_method("sql", Method::CT_DYNAMIC, _sql, 1, 2);
1.139 paf 1180:
1.209 misha 1181: // encode:
1182: // ^file.base64[]
1183: // ^file:base64[file-name]
1184: // decode:
1185: // ^file::base64[encoded] // backward
1186: // ^file::base64[mode;user-file-name;encoded]
1187: // ^file::base64[mode;user-file-name;encoded;$.content-type[...]]
1188: add_native_method("base64", Method::CT_ANY, _base64, 0, 4);
1.146 misha 1189:
1190: // ^file.crc32[]
1191: // ^file:crc32[file-name]
1192: add_native_method("crc32", Method::CT_ANY, _crc32, 0, 1);
1.147 misha 1193:
1194: // ^file.md5[]
1195: // ^file:md5[file-name]
1196: add_native_method("md5", Method::CT_ANY, _md5, 0, 1);
1197:
1.148 misha 1198: // ^file:copy[from-file-name;to-file-name]
1199: add_native_method("copy", Method::CT_STATIC, _copy, 2, 2);
1.1 paf 1200: }
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