Annotation of parser3/src/classes/file.C, revision 1.207
1.17 paf 1: /** @file
2: Parser: @b file parser class.
3:
1.185 misha 4: Copyright (c) 2001-2009 ArtLebedev Group (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:
1.207 ! misha 8: static const char * const IDENT_FILE_C="$Date: 2010-05-20 04:28:14 $";
1.47 parser 9:
10: #include "pa_config_includes.h"
11:
1.35 paf 12: #include "classes.h"
1.111 paf 13: #include "pa_vmethod_frame.h"
14:
1.1 paf 15: #include "pa_request.h"
16: #include "pa_vfile.h"
1.11 paf 17: #include "pa_table.h"
1.21 paf 18: #include "pa_vint.h"
1.24 paf 19: #include "pa_exec.h"
1.40 parser 20: #include "pa_vdate.h"
1.47 parser 21: #include "pa_dir.h"
22: #include "pa_vtable.h"
1.67 paf 23: #include "pa_charset.h"
1.109 paf 24: #include "pa_charsets.h"
1.121 paf 25: #include "pa_sql_connection.h"
1.147 misha 26: #include "pa_md5.h"
1.184 misha 27: #include "pa_vregex.h"
1.1 paf 28:
1.32 paf 29: // defines
30:
1.90 paf 31: #define STDIN_EXEC_PARAM_NAME "stdin"
1.109 paf 32: #define CHARSET_EXEC_PARAM_NAME "charset"
1.48 parser 33:
1.131 paf 34: #define NAME_NAME "name"
35:
1.132 paf 36: // externs
37:
38: extern String sql_limit_name;
39: extern String sql_offset_name;
40:
1.111 paf 41: // class
42:
43: class MFile: public Methoded {
44: public: // VStateless_class
45:
1.199 misha 46: Value* create_new_value(Pool&) { return new VFile(); }
1.111 paf 47:
48: public: // Methoded
49: bool used_directly() { return true; }
50:
51: public:
52: MFile();
53:
54: };
55:
56: // global variable
57:
58: DECLARE_CLASS_VAR(file, new MFile, 0);
59:
1.83 paf 60: // consts
61:
62: /// from apache-1.3|src|support|suexec.c
1.111 paf 63: static const char* suexec_safe_env_lst[]={
1.83 paf 64: "AUTH_TYPE",
65: "CONTENT_LENGTH",
66: "CONTENT_TYPE",
67: "DATE_GMT",
68: "DATE_LOCAL",
69: "DOCUMENT_NAME",
70: "DOCUMENT_PATH_INFO",
71: "DOCUMENT_ROOT",
72: "DOCUMENT_URI",
73: "FILEPATH_INFO",
74: "GATEWAY_INTERFACE",
75: "LAST_MODIFIED",
76: "PATH_INFO",
77: "PATH_TRANSLATED",
78: "QUERY_STRING",
79: "QUERY_STRING_UNESCAPED",
80: "REMOTE_ADDR",
81: "REMOTE_HOST",
82: "REMOTE_IDENT",
83: "REMOTE_PORT",
84: "REMOTE_USER",
85: "REDIRECT_QUERY_STRING",
86: "REDIRECT_STATUS",
87: "REDIRECT_URL",
88: "REQUEST_METHOD",
89: "REQUEST_URI",
90: "SCRIPT_FILENAME",
91: "SCRIPT_NAME",
92: "SCRIPT_URI",
93: "SCRIPT_URL",
94: "SERVER_ADMIN",
95: "SERVER_NAME",
96: "SERVER_ADDR",
97: "SERVER_PORT",
98: "SERVER_PROTOCOL",
99: "SERVER_SOFTWARE",
100: "UNIQUE_ID",
101: "USER_NAME",
102: "TZ",
103: NULL
104: };
105:
1.111 paf 106: // statics
1.33 paf 107:
1.112 paf 108: static const String::Body adate_name("adate");
109: static const String::Body mdate_name("mdate");
110: static const String::Body cdate_name("cdate");
1.32 paf 111:
1.1 paf 112: // methods
113:
1.161 misha 114: static bool is_valid_mode (const String& mode) {
1.194 misha 115: return (mode==text_mode_name || mode==binary_mode_name);
1.161 misha 116: }
117:
1.204 misha 118: bool is_text_mode(const String& mode) {
1.194 misha 119: if(mode==text_mode_name)
1.125 paf 120: return true;
1.194 misha 121: if(mode==binary_mode_name)
1.125 paf 122: return false;
1.156 misha 123: throw Exception(PARSER_RUNTIME,
1.125 paf 124: &mode,
125: "is invalid mode, must be either '"TEXT_MODE_NAME"' or '"BINARY_MODE_NAME"'");
126: }
127:
1.111 paf 128: static void _save(Request& r, MethodParams& params) {
1.201 misha 129: bool is_text=is_text_mode(params.as_no_junction(0, MODE_MUST_NOT_BE_CODE).as_string());
1.152 misha 130: Value& vfile_name=params.as_no_junction(1, FILE_NAME_MUST_NOT_BE_CODE);
1.4 paf 131:
1.201 misha 132: Charset* asked_charset=0;
133: if(params.count()>2)
134: if(HashStringValue* options=params.as_no_junction(2, OPTIONS_MUST_NOT_BE_CODE).get_hash()){
1.202 misha 135: int valid_options=0;
1.201 misha 136: if(Value* vcharset_name=options->get(PA_CHARSET_NAME)){
137: asked_charset=&::charsets.get(vcharset_name->as_string().change_case(r.charsets.source(), String::CC_UPPER));
138: valid_options++;
139: }
140: if(valid_options != options->count())
1.207 ! misha 141: throw Exception(PARSER_RUNTIME, 0, CALLED_WITH_INVALID_OPTION);
1.201 misha 142: }
143:
1.7 paf 144: // save
1.201 misha 145: GET_SELF(r, VFile).save(r.charsets, r.absolute(vfile_name.as_string()), is_text, asked_charset);
1.7 paf 146: }
147:
1.111 paf 148: static void _delete(Request& r, MethodParams& params) {
1.152 misha 149: Value& vfile_name=params.as_no_junction(0, FILE_NAME_MUST_NOT_BE_CODE);
1.7 paf 150:
151: // unlink
1.68 paf 152: file_delete(r.absolute(vfile_name.as_string()));
1.1 paf 153: }
154:
1.111 paf 155: static void _move(Request& r, MethodParams& params) {
156: Value& vfrom_file_name=params.as_no_junction(0, "from file name must not be code");
157: Value& vto_file_name=params.as_no_junction(1, "to file name must not be code");
1.45 parser 158:
1.51 parser 159: // move
1.68 paf 160: file_move(
1.45 parser 161: r.absolute(vfrom_file_name.as_string()),
162: r.absolute(vto_file_name.as_string()));
163: }
164:
1.148 misha 165: static void copy_process_source(
1.180 misha 166: struct stat& ,
167: int from_file,
168: const String& , const char* /*fname*/, bool,
169: void *context) {
1.148 misha 170: int& to_file=*static_cast<int *>(context);
171:
172: int nCount=0;
173: do {
174: unsigned char buffer[FILE_BUFFER_SIZE];
1.150 misha 175: nCount = file_block_read(from_file, buffer, sizeof(buffer));
1.148 misha 176: int written=write(to_file, buffer, nCount);
177: if( written < 0 )
1.179 misha 178: throw Exception("file.access",
1.148 misha 179: 0,
180: "write failed: %s (%d)", strerror(errno), errno);
181:
182: } while(nCount > 0);
183: }
184:
185: static void copy_open_target(int f, void *from_spec) {
186: String& file_spec=*static_cast<String *>(from_spec);
187: file_read_action_under_lock(file_spec, "copy", copy_process_source, &f);
188: };
189:
190: static void _copy(Request& r, MethodParams& params) {
191: Value& vfrom_file_name=params.as_no_junction(0, "from file name must not be code");
192: Value& vto_file_name=params.as_no_junction(1, "to file name must not be code");
193:
194: String from_spec = r.absolute(vfrom_file_name.as_string());
195: const String& to_spec = r.absolute(vto_file_name.as_string());
196:
197: file_write_action_under_lock(
198: to_spec,
199: "copy",
200: copy_open_target,
1.149 misha 201: &from_spec);
1.148 misha 202: }
203:
1.111 paf 204: static void _load_pass_param(
1.180 misha 205: HashStringValue::key_type key,
206: HashStringValue::value_type value,
207: HashStringValue *dest) {
1.111 paf 208: dest->put(key, value);
209: }
1.180 misha 210:
1.111 paf 211: static void _load(Request& r, MethodParams& params) {
1.180 misha 212: bool as_text=is_text_mode(params.as_no_junction(0, MODE_MUST_NOT_BE_CODE).as_string());
1.152 misha 213: const String& lfile_name=r.absolute(params.as_no_junction(1, FILE_NAME_MUST_NOT_BE_CODE).as_string());
1.9 paf 214:
1.180 misha 215: size_t param_index=params.count()-1;
1.183 misha 216: Value* param_value=param_index>1?¶ms.as_no_junction(param_index, "filename or options must not be code"):0;
1.180 misha 217:
1.183 misha 218: HashStringValue* options=0;
219: const char *user_file_name=0;
220:
221: if(param_value){
222: options=param_value->get_hash();
223: if(options || param_index>2)
224: param_index--;
225: if(param_index>1){
226: const String& luser_file_name=params.as_string(param_index, FILE_NAME_MUST_BE_STRING);
227: if(!luser_file_name.is_empty())
1.196 misha 228: user_file_name=luser_file_name.taint_cstr(String::L_FILE_SPEC);
1.183 misha 229: }
230: }
231: if(!user_file_name)
1.196 misha 232: user_file_name=lfile_name.taint_cstr(String::L_FILE_SPEC);
1.180 misha 233:
1.132 paf 234: size_t offset=0;
235: size_t limit=0;
1.183 misha 236:
1.180 misha 237: if(options){
1.132 paf 238: options=new HashStringValue(*options);
1.180 misha 239: if(Value *voffset=(Value *)options->get(sql_offset_name)){
1.132 paf 240: offset=r.process_to_value(*voffset).as_int();
241: }
1.180 misha 242: if(Value *vlimit=(Value *)options->get(sql_limit_name)){
1.132 paf 243: limit=r.process_to_value(*vlimit).as_int();
244: }
245: // no check on options count here, see file_read
246: }
1.182 misha 247: File_read_result file=file_load(r, lfile_name,
1.180 misha 248: as_text, options, true, 0, offset, limit
1.104 paf 249: );
1.9 paf 250:
1.111 paf 251: Value* vcontent_type=0;
1.168 misha 252: if(file.headers){
1.181 misha 253: if(Value* remote_content_type=file.headers->get(HTTP_CONTENT_TYPE_UPPER))
1.129 paf 254: vcontent_type=new VString(*new String(remote_content_type->as_string().cstr()));
255: }
1.104 paf 256: if(!vcontent_type)
1.111 paf 257: vcontent_type=new VString(r.mime_type_of(user_file_name));
1.10 paf 258:
1.111 paf 259: VFile& self=GET_SELF(r, VFile);
260: self.set(true/*tainted*/, file.str, file.length, user_file_name, vcontent_type);
1.168 misha 261:
1.194 misha 262: self.set_mode(as_text);
263:
1.168 misha 264: if(file.headers){
1.143 paf 265: file.headers->for_each<HashStringValue*>(_load_pass_param, &self.fields());
1.168 misha 266: } else {
267: size_t size;
268: time_t atime, mtime, ctime;
269:
1.169 misha 270: file_stat(lfile_name, size, atime, mtime, ctime);
1.168 misha 271:
272: HashStringValue& ff=self.fields();
273: ff.put(adate_name, new VDate(atime));
274: ff.put(mdate_name, new VDate(mtime));
275: ff.put(cdate_name, new VDate(ctime));
276: }
1.9 paf 277: }
278:
1.138 paf 279: static void _create(Request& r, MethodParams& params) {
1.194 misha 280: const String& mode_name=params.as_no_junction(0, MODE_MUST_NOT_BE_CODE).as_string();
281: if(!is_text_mode(mode_name))
1.156 misha 282: throw Exception(PARSER_RUNTIME,
1.138 paf 283: 0,
284: "only text mode is currently supported");
285:
286: const char* user_file_name_cstr=r.absolute(
1.196 misha 287: params.as_no_junction(1, FILE_NAME_MUST_NOT_BE_CODE).as_string()).taint_cstr(String::L_FILE_SPEC);
1.138 paf 288:
289: const String& content=params.as_string(2, "content must be string");
1.203 misha 290: String::Body content_body=content.cstr_to_string_body_untaint(String::L_AS_IS); // explode content, honor tainting changes
291:
292: if(params.count()>3){
293: Charset* asked_charset=0;
294:
295: if(HashStringValue* options=params.as_no_junction(3, OPTIONS_MUST_NOT_BE_CODE).get_hash()){
296: int valid_options=0;
297: if(Value* vcharset_name=options->get(PA_CHARSET_NAME)){
298: asked_charset=&::charsets.get(vcharset_name->as_string().change_case(r.charsets.source(), String::CC_UPPER));
299: valid_options++;
300: }
301: if(valid_options != options->count())
1.207 ! misha 302: throw Exception(PARSER_RUNTIME, 0, CALLED_WITH_INVALID_OPTION);
1.203 misha 303: }
304:
305: if(asked_charset != 0)
306: content_body=Charset::transcode(content_body, r.charsets.source(), *asked_charset);
307: }
1.138 paf 308:
309: VString* vcontent_type=new VString(r.mime_type_of(user_file_name_cstr));
310:
311: VFile& self=GET_SELF(r, VFile);
1.197 misha 312: self.set(true/*tainted*/, content_body.cstr(), content_body.length(), user_file_name_cstr, vcontent_type);
1.194 misha 313:
314: self.set_mode(true/*as_text*/);
1.138 paf 315: }
316:
1.111 paf 317: static void _stat(Request& r, MethodParams& params) {
1.152 misha 318: Value& vfile_name=params.as_no_junction(0, FILE_NAME_MUST_NOT_BE_CODE);
1.25 paf 319:
320: const String& lfile_name=vfile_name.as_string();
321:
1.40 parser 322: size_t size;
323: time_t atime, mtime, ctime;
324: file_stat(r.absolute(lfile_name),
325: size,
326: atime, mtime, ctime);
1.25 paf 327:
1.196 misha 328: const char* user_file_name=lfile_name.taint_cstr(String::L_FILE_SPEC);
1.167 misha 329:
1.111 paf 330: VFile& self=GET_SELF(r, VFile);
1.167 misha 331:
332: self.set(true/*tainted*/, 0/*no bytes*/, size, user_file_name, new VString(r.mime_type_of(user_file_name)));
1.111 paf 333: HashStringValue& ff=self.fields();
334: ff.put(adate_name, new VDate(atime));
335: ff.put(mdate_name, new VDate(mtime));
336: ff.put(cdate_name, new VDate(ctime));
1.25 paf 337: }
338:
1.111 paf 339: static bool is_safe_env_key(const char* key) {
340: for(const char* validator=key; *validator; validator++) {
341: char c=*validator;
342: if(!(c>='A' && c<='Z' || c>='0' && c<='9' || c=='_' || c=='-'))
343: return false;
344: }
1.205 pretende 345: #ifdef PA_SAFE_MODE
1.88 paf 346: if(strncasecmp(key, "HTTP_", 5)==0)
1.83 paf 347: return true;
1.87 paf 348: if(strncasecmp(key, "CGI_", 4)==0)
1.83 paf 349: return true;
350: for(int i=0; suexec_safe_env_lst[i]; i++) {
1.87 paf 351: if(strcasecmp(key, suexec_safe_env_lst[i])==0)
1.83 paf 352: return true;
353: }
354: return false;
1.205 pretende 355: #else
356: return true;
357: #endif
1.83 paf 358: }
1.90 paf 359: #ifndef DOXYGEN
360: struct Append_env_pair_info {
1.141 paf 361: Request_charsets* charsets;
1.111 paf 362: HashStringString* env;
1.100 paf 363: Value* vstdin;
1.90 paf 364: };
365: #endif
1.111 paf 366: static void append_env_pair(
1.180 misha 367: HashStringValue::key_type akey,
368: HashStringValue::value_type avalue,
369: Append_env_pair_info *info) {
1.111 paf 370: if(akey==STDIN_EXEC_PARAM_NAME) {
371: info->vstdin=avalue;
372: } else if(akey==CHARSET_EXEC_PARAM_NAME) {
1.141 paf 373: // ignore, already processed
1.90 paf 374: } else {
1.111 paf 375: if(!is_safe_env_key(akey.cstr()))
1.156 misha 376: throw Exception(PARSER_RUNTIME,
1.111 paf 377: new String(akey, String::L_TAINTED),
1.90 paf 378: "not safe environment variable");
1.196 misha 379: info->env->put(akey, avalue->as_string().cstr_to_string_body_untaint(String::L_AS_IS, 0, info->charsets));
1.90 paf 380: }
1.22 paf 381: }
1.94 paf 382: #ifndef DOXYGEN
383: struct Pass_cgi_header_attribute_info {
1.111 paf 384: Charset* charset;
385: HashStringValue* fields;
386: Value* content_type;
1.94 paf 387: };
388: #endif
1.111 paf 389: static void pass_cgi_header_attribute(
1.180 misha 390: ArrayString::element_type astring,
391: Pass_cgi_header_attribute_info* info) {
1.111 paf 392: size_t colon_pos=astring->pos(':');
1.130 paf 393: if(colon_pos!=STRING_NOT_FOUND) {
1.111 paf 394: const String& key=astring->mid(0, colon_pos).change_case(
395: *info->charset, String::CC_UPPER);
1.130 paf 396: Value* value=new VString(astring->mid(colon_pos+1, astring->length()).trim());
1.111 paf 397: info->fields->put(key, value);
1.181 misha 398: if(key==HTTP_CONTENT_TYPE_UPPER)
1.111 paf 399: info->content_type=value;
1.94 paf 400: }
1.29 paf 401: }
1.155 misha 402:
403: static void append_to_argv(Request& r, ArrayString& argv, const String* str){
1.187 misha 404: if(!str->is_empty())
1.196 misha 405: argv+=new String(str->cstr_to_string_body_untaint(String::L_AS_IS, 0, &r.charsets), String::L_AS_IS);
1.155 misha 406: }
407:
1.90 paf 408: /// @todo fix `` in perl - they produced flipping consoles and no output to perl
1.194 misha 409: static void _exec_cgi(Request& r, MethodParams& params, bool cgi) {
410: bool as_text=true;
411: size_t param_index=0;
412: const String& mode_name=params.as_no_junction(0, FIRST_ARG_MUST_NOT_BE_CODE).as_string();
413: if(is_valid_mode(mode_name)){
414: as_text=is_text_mode(mode_name);
415: param_index++;
1.162 misha 416: }
417:
418: if(param_index>=params.count())
419: throw Exception(PARSER_RUNTIME,
420: 0,
421: "file name must be specified");
422:
423:
424: Value& vfile_name=params.as_no_junction(param_index++, FILE_NAME_MUST_NOT_BE_CODE);
1.21 paf 425:
1.23 paf 426: const String& script_name=r.absolute(vfile_name.as_string());
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");
1.23 paf 446: // from Request.info
1.111 paf 447: ECSTR(DOCUMENT_ROOT, r.request_info.document_root);
448: ECSTR(PATH_TRANSLATED, r.request_info.path_translated);
449: ECSTR(REQUEST_METHOD, r.request_info.method);
450: ECSTR(QUERY_STRING, r.request_info.query_string);
451: ECSTR(REQUEST_URI, r.request_info.uri);
452: ECSTR(CONTENT_TYPE, r.request_info.content_type);
1.200 misha 453: ECSTR(CONTENT_LENGTH, format(r.request_info.content_length, "%u"));
1.82 paf 454: // SCRIPT_*
1.119 paf 455: env.put(String::Body("SCRIPT_NAME"), script_name);
456: //env.put(String::Body("SCRIPT_FILENAME"), ??&script_name);
1.23 paf 457:
1.111 paf 458: bool stdin_specified=false;
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()) {
463: Value& venv=params.as_no_junction(param_index++, "env must not be code");
1.111 paf 464: if(HashStringValue* user_env=venv.get_hash()) {
1.141 paf 465: // $.charset [previewing to handle URI pieces]
466: if(Value* vcharset=user_env->get(CHARSET_EXEC_PARAM_NAME))
467: charset=&charsets.get(vcharset->as_string()
468: .change_case(r.charsets.source(), String::CC_UPPER));
469:
470: // $.others
471: Append_env_pair_info info={&r.charsets, &env, 0};
472: {
1.144 paf 473: // influence tainting
474: // main target -- $.QUERY_STRING -- URLencoding of tainted pieces to String::L_URI lang
1.141 paf 475: Temp_client_charset temp(r.charsets, charset? *charset: r.charsets.source());
1.143 paf 476: user_env->for_each<Append_env_pair_info*>(append_env_pair, &info);
1.141 paf 477: }
1.109 paf 478: // $.stdin
1.103 paf 479: if(info.vstdin) {
1.111 paf 480: stdin_specified=true;
481: if(const String* sstdin=info.vstdin->get_string()) {
482: in->append(*sstdin, String::L_CLEAN, true);
1.103 paf 483: } else
1.199 misha 484: if(VFile* vfile=static_cast<VFile *>(info.vstdin->as("file")))
1.111 paf 485: in->append_know_length((const char* )vfile->value_ptr(), vfile->value_size(), String::L_TAINTED);
1.100 paf 486: else
1.156 misha 487: throw Exception(PARSER_RUNTIME,
1.111 paf 488: 0,
1.100 paf 489: STDIN_EXEC_PARAM_NAME " parameter must be string or file");
1.103 paf 490: }
1.90 paf 491: }
1.21 paf 492: }
493:
1.90 paf 494: // argv from params
1.111 paf 495: ArrayString argv;
1.162 misha 496: if(param_index < params.count()) {
1.180 misha 497: // influence tainting
498: Temp_client_charset temp(r.charsets, charset? *charset: r.charsets.source());
1.154 misha 499:
1.162 misha 500: for(size_t i=param_index; i<params.count(); i++) {
1.161 misha 501: Value& param=params.as_no_junction(i, PARAM_MUST_NOT_BE_CODE);
1.154 misha 502: if(param.is_defined()){
503: if(param.is_string()){
1.155 misha 504: append_to_argv(r, argv, param.get_string());
1.154 misha 505: } else {
1.155 misha 506: Table* table=param.get_table();
507: if(table){
508: for(size_t i=0; i<table->count(); i++) {
509: append_to_argv(r, argv, table->get(i)->get(0));
1.154 misha 510: }
511: } else {
1.156 misha 512: throw Exception(PARSER_RUNTIME,
1.154 misha 513: 0,
1.162 misha 514: "param must be string or table");
1.154 misha 515: }
516: }
1.145 misha 517: }
1.144 paf 518: }
1.21 paf 519: }
1.90 paf 520:
1.109 paf 521: // transcode if necessary
522: if(charset) {
1.111 paf 523: Charset::transcode(env, r.charsets.source(), *charset);
524: Charset::transcode(argv, r.charsets.source(), *charset);
525: in=&Charset::transcode(*in, r.charsets.source(), *charset);
526: }
527: // @todo
528: // ifdef WIN32 do OEM->ANSI transcode on some(.cmd?) programs to
529: // match silent conversion in OS
530:
531: // exec!
1.163 misha 532: PA_exec_result execution=pa_exec(false/*forced_allow*/, script_name, &env, argv, *in);
1.111 paf 533:
1.162 misha 534: File_read_result *file_out=&execution.out;
1.111 paf 535: String *real_err=&execution.err;
1.162 misha 536:
1.165 misha 537: // transcode err if necessary (@todo: need fix line breaks in err as well )
538: if(charset)
539: real_err=&Charset::transcode(*real_err, *charset, r.charsets.source());
540:
1.194 misha 541: if(file_out->length && as_text){
1.162 misha 542: fix_line_breaks(file_out->str, file_out->length);
543: // treat output as string
1.188 misha 544: String *real_out = new String(file_out->str);
1.162 misha 545:
1.165 misha 546: // transcode out if necessary
547: if(charset)
1.162 misha 548: real_out=&Charset::transcode(*real_out, *charset, r.charsets.source());
1.165 misha 549:
1.162 misha 550: // FIXME: unsafe cast
1.163 misha 551: file_out->str=const_cast<char *>(real_out->cstr()); // hacking a little
1.162 misha 552: file_out->length = real_out->length();
1.109 paf 553: }
554:
1.111 paf 555: VFile& self=GET_SELF(r, VFile);
1.109 paf 556:
1.162 misha 557: if(cgi) { // ^file::cgi
1.163 misha 558: const char* eol_marker=0;
559: size_t eol_marker_size;
560:
1.111 paf 561: // construct with 'out' body and header
1.165 misha 562: size_t dos_pos=(file_out->length)?strpos(file_out->str, "\r\n\r\n"):STRING_NOT_FOUND;
563: size_t unix_pos=(file_out->length)?strpos(file_out->str, "\n\n"):STRING_NOT_FOUND;
1.111 paf 564:
565: bool unix_header_break;
566: switch((dos_pos!=STRING_NOT_FOUND?10:00) + (unix_pos!=STRING_NOT_FOUND?01:00)) {
1.166 misha 567: case 10: // dos
568: unix_header_break=false;
569: break;
570: case 01: // unix
571: unix_header_break=true;
572: break;
573: case 11: // dos & unix
574: unix_header_break=unix_pos<dos_pos;
575: break;
576: default: // 00
577: unix_header_break=false; // calm down, compiler
1.179 misha 578: throw Exception("file.execute",
1.166 misha 579: 0,
580: "output does not contain CGI header; "
581: "exit status=%d; stdoutsize=%u; stdout: \"%s\"; stderrsize=%u; stderr: \"%s\"",
582: execution.status,
1.194 misha 583: file_out->length, (file_out->length) ? (file_out->str) : "",
584: real_err->length(), real_err->cstr());
1.166 misha 585: break; //never reached
1.111 paf 586: }
587:
1.165 misha 588: size_t header_break_pos;
1.111 paf 589: if(unix_header_break) {
590: header_break_pos=unix_pos;
1.165 misha 591: eol_marker="\n";
592: eol_marker_size=1;
1.111 paf 593: } else {
594: header_break_pos=dos_pos;
1.165 misha 595: eol_marker="\r\n";
596: eol_marker_size=2;
1.111 paf 597: }
1.21 paf 598:
1.162 misha 599: file_out->str[header_break_pos] = 0;
1.188 misha 600: String *header=new String(file_out->str);
1.162 misha 601: unsigned long headersize = header_break_pos+eol_marker_size*2;
602: file_out->str += headersize;
603: file_out->length -= headersize;
604:
1.164 misha 605: // $body
606: self.set(false/*not tainted*/, file_out->str, file_out->length);
607:
1.162 misha 608: // $fields << header
1.194 misha 609: if(header) {
1.162 misha 610: ArrayString rows;
611: size_t pos_after=0;
612: header->split(rows, pos_after, eol_marker);
613: Pass_cgi_header_attribute_info info={0, 0, 0};
614: info.charset=&r.charsets.source();
615: info.fields=&self.fields();
616: rows.for_each(pass_cgi_header_attribute, &info);
617: if(info.content_type)
618: self.fields().put(content_type_name, info.content_type);
619: }
1.164 misha 620: } else { // ^file::exec
1.166 misha 621: // $body
622: self.set(false/*not tainted*/, file_out->str, file_out->length);
1.164 misha 623: }
1.163 misha 624:
1.194 misha 625: self.set_mode(as_text);
626:
1.42 parser 627: // $status
1.111 paf 628: self.fields().put(file_status_name, new VInt(execution.status));
1.21 paf 629:
630: // $stderr
1.187 misha 631: if(!real_err->is_empty())
1.21 paf 632: self.fields().put(
1.119 paf 633: String::Body("stderr"),
1.111 paf 634: new VString(*real_err));
1.21 paf 635: }
1.111 paf 636: static void _exec(Request& r, MethodParams& params) {
637: _exec_cgi(r, params, false);
1.41 parser 638: }
1.111 paf 639: static void _cgi(Request& r, MethodParams& params) {
640: _exec_cgi(r, params, true);
1.41 parser 641: }
642:
1.111 paf 643: static void _list(Request& r, MethodParams& params) {
644: Value& relative_path=params.as_no_junction(0, "path must not be code");
1.47 parser 645:
1.191 misha 646: VRegex* vregex=0;
1.184 misha 647: VRegexCleaner vrcleaner;
648: if(params.count()>1){
649: Value& regexp=params.as_no_junction(1, "regexp must not be code");
1.191 misha 650: if(regexp.is_defined()){
1.199 misha 651: if(Value* value=regexp.as(VREGEX_TYPE)){
1.191 misha 652: vregex=static_cast<VRegex*>(value);
653: } else {
654: vregex=new VRegex(r.charsets.source(), ®exp.as_string(), 0/*options*/);
655: vregex->study();
656: vrcleaner.vregex=vregex;
657: }
1.184 misha 658: }
1.114 paf 659: }
1.47 parser 660:
1.196 misha 661: const char* absolute_path_cstr=r.absolute(relative_path.as_string()).taint_cstr(String::L_FILE_SPEC);
1.47 parser 662:
1.111 paf 663: Table::columns_type columns(new ArrayString);
664: *columns+=new String("name");
665: Table& table=*new Table(columns);
1.47 parser 666:
1.184 misha 667: const int ovector_size=(1/*match*/)*3;
668: int ovector[ovector_size];
669:
1.47 parser 670: LOAD_DIR(absolute_path_cstr,
1.111 paf 671: const char* file_name_cstr=ffblk.ff_name;
672: size_t file_name_size=strlen(file_name_cstr);
1.47 parser 673:
1.184 misha 674: if(!vregex || vregex->exec(ffblk.ff_name, file_name_size, ovector, ovector_size)>=0) {
1.111 paf 675: Table::element_type row(new ArrayString);
1.190 misha 676: *row+=new String(pa_strdup(file_name_cstr, file_name_size), String::L_TAINTED);
1.111 paf 677: table+=row;
1.47 parser 678: }
679: );
680:
1.60 parser 681: // write out result
1.111 paf 682: r.write_no_lang(*new VTable(&table));
1.47 parser 683: }
1.21 paf 684:
1.69 paf 685: #ifndef DOXYGEN
686: struct Lock_execute_body_info {
1.111 paf 687: Request* r;
688: Value* body_code;
1.69 paf 689: };
690: #endif
1.111 paf 691: static void lock_execute_body(int , void *ainfo) {
692: Lock_execute_body_info& info=*static_cast<Lock_execute_body_info *>(ainfo);
1.69 paf 693: // execute body
1.78 paf 694: info.r->write_assign_lang(info.r->process(*info.body_code));
1.69 paf 695: };
1.111 paf 696: static void _lock(Request& r, MethodParams& params) {
1.152 misha 697: const String& file_spec=r.absolute(params.as_string(0, FILE_NAME_MUST_BE_STRING));
1.116 paf 698: Lock_execute_body_info info={
699: &r,
1.117 paf 700: ¶ms.as_junction(1, "body must be code")
1.116 paf 701: };
1.69 paf 702:
1.158 misha 703: file_write_action_under_lock(
704: file_spec,
705: "lock",
706: lock_execute_body,
707: &info);
1.69 paf 708: }
709:
1.111 paf 710: static void _find(Request& r, MethodParams& params) {
1.152 misha 711: const String& file_name=params.as_no_junction(0, FILE_NAME_MUST_NOT_BE_CODE).as_string();
1.111 paf 712: const String* file_spec;
1.90 paf 713: if(file_name.first_char()=='/')
714: file_spec=&file_name;
715: else
1.111 paf 716: file_spec=&r.relative(r.request_info.uri, file_name);
1.90 paf 717:
718: // easy way
1.142 paf 719: if(file_exist(r.absolute(*file_spec))) {
1.96 paf 720: r.write_assign_lang(*file_spec);
1.90 paf 721: return;
722: }
723:
724: // monkey way
725: int after_base_slash=lastposafter(*file_spec, 0, "/", 1);
1.111 paf 726: const String* dirname=&file_spec->mid(0, after_base_slash);
727: const String& basename=file_spec->mid(after_base_slash, file_spec->length());
1.90 paf 728:
729: int after_monkey_slash;
730: while((after_monkey_slash=lastposafter(*dirname, 0, "/", 1, true))>0) {
1.111 paf 731: String test_name;
732: test_name<<*(dirname=&dirname->mid(0, after_monkey_slash));
733: test_name<<basename;
1.142 paf 734: if(file_exist(r.absolute(test_name))) {
1.111 paf 735: r.write_assign_lang(test_name);
1.90 paf 736: return;
737: }
738: }
739:
740: // no way, not found
1.111 paf 741: if(params.count()==2) {
742: Value& not_found_code=params.as_junction(1, "not-found param must be code");
1.90 paf 743: r.write_pass_lang(r.process(not_found_code));
744: }
745: }
746:
1.111 paf 747: static void _dirname(Request& r, MethodParams& params) {
1.152 misha 748: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.180 misha 749: // /a/some.tar.gz > /a
1.89 paf 750: // /a/b/ > /a
751: int afterslash=lastposafter(file_spec, 0, "/", 1, true);
752: if(afterslash>0)
753: r.write_assign_lang(file_spec.mid(0, afterslash==1?1:afterslash-1));
754: else
1.189 misha 755: r.write_assign_lang(String("."));
1.89 paf 756: }
757:
1.111 paf 758: static void _basename(Request& r, MethodParams& params) {
1.152 misha 759: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.180 misha 760: // /a/some.tar.gz > some.tar.gz
1.89 paf 761: int afterslash=lastposafter(file_spec, 0, "/", 1);
1.111 paf 762: r.write_assign_lang(file_spec.mid(afterslash, file_spec.length()));
1.89 paf 763: }
764:
1.111 paf 765: static void _justname(Request& r, MethodParams& params) {
1.152 misha 766: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.180 misha 767: // /a/some.tar.gz > some.tar
1.89 paf 768: int afterslash=lastposafter(file_spec, 0, "/", 1);
769: int afterdot=lastposafter(file_spec, afterslash, ".", 1);
1.111 paf 770: r.write_assign_lang(file_spec.mid(afterslash, afterdot!=afterslash?afterdot-1:file_spec.length()));
1.89 paf 771: }
1.111 paf 772: static void _justext(Request& r, MethodParams& params) {
1.152 misha 773: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.180 misha 774: // /a/some.tar.gz > gz
1.89 paf 775: int afterdot=lastposafter(file_spec, 0, ".", 1);
776: if(afterdot>0)
1.111 paf 777: r.write_assign_lang(file_spec.mid(afterdot, file_spec.length()));
1.89 paf 778: }
779:
1.111 paf 780: static void _fullpath(Request& r, MethodParams& params) {
1.152 misha 781: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.111 paf 782: const String* result;
1.102 paf 783: if(file_spec.first_char()=='/')
784: result=&file_spec;
785: else {
786: // /some/page.html: ^file:fullpath[a.gif] => /some/a.gif
787: const String& full_disk_path=r.absolute(file_spec);
1.111 paf 788: size_t document_root_length=strlen(r.request_info.document_root);
1.106 paf 789:
790: if(document_root_length>0) {
1.111 paf 791: char last_char=r.request_info.document_root[document_root_length-1];
1.106 paf 792: if(last_char == '/' || last_char == '\\')
793: --document_root_length;
794: }
1.111 paf 795: result=&full_disk_path.mid(document_root_length, full_disk_path.length());
1.102 paf 796: }
797: r.write_assign_lang(*result);
798: }
799:
1.121 paf 800: static void _sql_string(Request& r, MethodParams&) {
801: VFile& self=GET_SELF(r, VFile);
802:
803: const char *quoted=r.connection()->quote(self.value_ptr(), self.value_size());
804: r.write_assign_lang(*new String(quoted));
805: }
1.89 paf 806:
1.122 paf 807: #ifndef DOXYGEN
808: class File_sql_event_handlers: public SQL_Driver_query_event_handlers {
809: const String& statement_string; const char* statement_cstr;
810: int got_columns;
811: int got_cells;
812: public:
813: String::C value;
1.131 paf 814: const String* user_file_name;
815: const String* user_content_type;
1.122 paf 816: public:
817: File_sql_event_handlers(
818: const String& astatement_string, const char* astatement_cstr):
819: statement_string(astatement_string), statement_cstr(astatement_cstr),
820: got_columns(0),
821: got_cells(0),
822: user_file_name(0),
823: user_content_type(0) {}
824:
825: bool add_column(SQL_Error& error, const char* /*str*/, size_t /*length*/) {
826: if(got_columns++==3) {
1.156 misha 827: error=SQL_Error(PARSER_RUNTIME, "result must contain not more then 3 columns");
1.122 paf 828: return true;
829: }
830: return false;
831: }
832: bool before_rows(SQL_Error& /*error*/ ) { /* ignore */ return false; }
833: bool add_row(SQL_Error& /*error*/) { /* ignore */ return false; }
834: bool add_row_cell(SQL_Error& error, const char* str, size_t length) {
835: try {
836: switch(got_cells++) {
837: case 0:
838: value=String::C(str, length);
839: break;
840: case 1:
1.131 paf 841: if(!user_file_name) // user not specified?
1.190 misha 842: user_file_name=new String(str, String::L_TAINTED);
1.122 paf 843: break;
844: case 2:
1.131 paf 845: if(!user_content_type) // user not specified?
1.190 misha 846: user_content_type=new String(str, String::L_TAINTED);
1.122 paf 847: break;
848: default:
1.156 misha 849: error=SQL_Error(PARSER_RUNTIME, "result must not contain more then one row, three rows");
1.122 paf 850: return true;
851: }
852: return false;
853: } catch(...) {
854: error=SQL_Error("exception occured in File_sql_event_handlers::add_row_cell");
855: return true;
856: }
857: }
858: };
859: #endif
860: static void _sql(Request& r, MethodParams& params) {
1.131 paf 861: Value& statement=params.as_junction(0, "statement must be code");
1.122 paf 862:
863: Temp_lang temp_lang(r, String::L_SQL);
864: const String& statement_string=r.process_to_string(statement);
1.197 misha 865: const char* statement_cstr=statement_string.untaint_cstr(r.flang, r.connection());
1.195 misha 866:
1.122 paf 867: File_sql_event_handlers handlers(statement_string, statement_cstr);
1.131 paf 868:
1.173 misha 869: ulong limit=SQL_NO_LIMIT;
1.172 misha 870: ulong offset=0;
871:
1.131 paf 872: if(params.count()>1)
1.172 misha 873: if(HashStringValue* options=params.as_no_junction(1, PARAM_MUST_NOT_BE_CODE).get_hash()){
1.131 paf 874: int valid_options=0;
875: if(Value* vfilename=options->get(NAME_NAME)) {
876: valid_options++;
877: handlers.user_file_name=&vfilename->as_string();
878: }
879: if(Value* vcontent_type=options->get(CONTENT_TYPE_NAME)) {
880: valid_options++;
881: handlers.user_content_type=&vcontent_type->as_string();
882: }
1.173 misha 883: if(Value* vlimit=options->get(sql_limit_name)) {
884: valid_options++;
885: limit=(ulong)r.process_to_value(*vlimit).as_double();
886: }
1.172 misha 887: if(Value* voffset=options->get(sql_offset_name)) {
888: valid_options++;
889: offset=(ulong)r.process_to_value(*voffset).as_double();
890: }
1.131 paf 891: if(valid_options!=options->count())
1.207 ! misha 892: throw Exception(PARSER_RUNTIME, 0, CALLED_WITH_INVALID_OPTION);
1.131 paf 893: }
894:
895:
1.122 paf 896: r.connection()->query(
1.123 paf 897: statement_cstr,
898: 0, 0,
1.173 misha 899: offset, limit,
1.122 paf 900: handlers,
901: statement_string);
902:
903: if(!handlers.value)
1.156 misha 904: throw Exception(PARSER_RUNTIME,
1.122 paf 905: 0,
906: "produced no result");
907:
1.131 paf 908: const char* user_file_name_cstr=handlers.user_file_name? handlers.user_file_name->cstr(): 0;
1.122 paf 909:
910: VString* vcontent_type=handlers.user_content_type?
911: new VString(*handlers.user_content_type)
912: : user_file_name_cstr?
913: new VString(r.mime_type_of(user_file_name_cstr))
914: : 0;
915: VFile& self=GET_SELF(r, VFile);
916: self.set(true/*tainted*/, handlers.value.str, handlers.value.length, user_file_name_cstr, vcontent_type);
1.194 misha 917: self.set_mode(false/*binary*/);
1.122 paf 918: }
1.140 paf 919:
1.139 paf 920: static void _base64(Request& r, MethodParams& params) {
1.151 misha 921: bool dynamic = !(&r.get_self() == file_class);
1.180 misha 922: if(dynamic){
923: VFile& self=GET_SELF(r, VFile);
924: if(params.count()) {
925: // decode: ^file::base64[encoded]
926: const char* cstr=params.as_string(0, PARAMETER_MUST_BE_STRING).cstr();
927: char* decoded=0;
928: size_t length=0;
929: pa_base64_decode(cstr, strlen(cstr), decoded, length);
930: if(decoded && length)
931: self.set(true/*tainted*/, decoded, length);
932: } else {
933: // encode: ^f.base64[]
934: const char* encoded=pa_base64_encode(self.value_ptr(), self.value_size());
1.190 misha 935: r.write_assign_lang(*new String(encoded, String::L_TAINTED/*once ?param=base64(something) was needed**/));
1.180 misha 936: }
1.151 misha 937: } else {
1.180 misha 938: // encode: ^file:base64[filespec]
1.152 misha 939: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.151 misha 940: const char* encoded=pa_base64_encode(r.absolute(file_spec));
1.190 misha 941: r.write_assign_lang(*new String(encoded, String::L_TAINTED/*once ?param=base64(something) was needed*/));
1.151 misha 942: }
1.139 paf 943: }
1.140 paf 944:
1.146 misha 945: static void _crc32(Request& r, MethodParams& params) {
946: unsigned long crc32 = 0;
947: if(&r.get_self() == file_class) {
948: // ^file:crc32[file-name]
949: if(params.count()) {
1.152 misha 950: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.146 misha 951: crc32=pa_crc32(r.absolute(file_spec));
952: } else {
1.156 misha 953: throw Exception(PARSER_RUNTIME,
1.146 misha 954: 0,
955: "file name must be defined");
956: }
957: } else {
958: // ^file.crc32[]
959: VFile& self=GET_SELF(r, VFile);
960: crc32=pa_crc32(self.value_ptr(), self.value_size());
961: }
962: r.write_no_lang(*new VInt(crc32));
963: }
964:
965:
1.147 misha 966: static void file_md5_file_action(
1.180 misha 967: struct stat& finfo,
968: int f,
969: const String& , const char* /*fname*/, bool,
970: void *context)
1.147 misha 971: {
972: PA_MD5_CTX& md5context=*static_cast<PA_MD5_CTX *>(context);
973: if(finfo.st_size) {
1.148 misha 974: int nCount=0;
1.147 misha 975: do {
976: unsigned char buffer[FILE_BUFFER_SIZE];
1.150 misha 977: nCount = file_block_read(f, buffer, sizeof(buffer));
1.147 misha 978: if ( nCount ){
979: pa_MD5Update(&md5context, (const unsigned char*)buffer, nCount);
980: }
1.148 misha 981: } while(nCount > 0);
1.147 misha 982: }
983: }
984:
985: const char* pa_md5(const String& file_spec)
986: {
987: PA_MD5_CTX context;
988: unsigned char digest[16];
989: pa_MD5Init(&context);
990: file_read_action_under_lock(file_spec, "md5", file_md5_file_action, &context);
991: pa_MD5Final(digest, &context);
992:
993: return hex_string(digest, sizeof(digest), false);
994: }
995:
996: const char* pa_md5(const char *in, size_t in_size)
997: {
998: PA_MD5_CTX context;
999: unsigned char digest[16];
1000: pa_MD5Init(&context);
1001: pa_MD5Update(&context, (const unsigned char*)in, in_size);
1002: pa_MD5Final(digest, &context);
1003:
1004: return hex_string(digest, sizeof(digest), false);
1005: }
1006:
1007: static void _md5(Request& r, MethodParams& params) {
1008: const char* md5;
1009: if(&r.get_self() == file_class) {
1010: // ^file:md5[file-name]
1011: if(params.count()) {
1.152 misha 1012: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.147 misha 1013: md5=pa_md5(r.absolute(file_spec));
1014: } else {
1.156 misha 1015: throw Exception(PARSER_RUNTIME,
1.147 misha 1016: 0,
1017: "file name must be defined");
1018: }
1019: } else {
1020: // ^file.md5[]
1021: VFile& self=GET_SELF(r, VFile);
1022: md5=pa_md5(self.value_ptr(), self.value_size());
1023:
1024: }
1025: r.write_no_lang(*new String(md5));
1026: }
1027:
1.32 paf 1028: // constructor
1029:
1.111 paf 1030: MFile::MFile(): Methoded("file") {
1.146 misha 1031: // ^file::create[text;user-name;string]
1032: // ^file::create[binary;user-name;SOMEDAY SOMETHING]
1.203 misha 1033: add_native_method("create", Method::CT_DYNAMIC, _create, 3, 4);
1.138 paf 1034:
1.146 misha 1035: // ^file.save[mode;file-name]
1.201 misha 1036: // ^file.save[mode;file-name;$.charset[...]]
1037: add_native_method("save", Method::CT_DYNAMIC, _save, 2, 3);
1.7 paf 1038:
1.146 misha 1039: // ^file:delete[file-name]
1.32 paf 1040: add_native_method("delete", Method::CT_STATIC, _delete, 1, 1);
1.45 parser 1041:
1.146 misha 1042: // ^file:move[from-file-name;to-file-name]
1.45 parser 1043: add_native_method("move", Method::CT_STATIC, _move, 2, 2);
1.8 paf 1044:
1.146 misha 1045: // ^file::load[mode;disk-name]
1046: // ^file::load[mode;disk-name;user-name]
1.201 misha 1047: // ^file::load[mode;disk-name;user-name;options hash]
1048: // ^file::load[mode;disk-name;options hash]
1.180 misha 1049: add_native_method("load", Method::CT_DYNAMIC, _load, 2, 4);
1.25 paf 1050:
1.146 misha 1051: // ^file::stat[disk-name]
1.32 paf 1052: add_native_method("stat", Method::CT_DYNAMIC, _stat, 1, 1);
1.21 paf 1053:
1.162 misha 1054: // ^file::cgi[mode;file-name]
1055: // ^file::cgi[mode;file-name;env hash]
1056: // ^file::cgi[mode;file-name;env hash;1cmd;2line;3ar;4g;5s]
1057: add_native_method("cgi", Method::CT_DYNAMIC, _cgi, 1, 3+50);
1058:
1059: // ^file::exec[mode;file-name]
1060: // ^file::exec[mode;file-name;env hash]
1061: // ^file::exec[mode;file-name;env hash;1cmd;2line;3ar;4g;5s]
1062: add_native_method("exec", Method::CT_DYNAMIC, _exec, 1, 3+50);
1.47 parser 1063:
1064: // ^file:list[path]
1065: // ^file:list[path][regexp]
1066: add_native_method("list", Method::CT_STATIC, _list, 1, 2);
1.69 paf 1067:
1068: // ^file:lock[path]{code}
1069: add_native_method("lock", Method::CT_STATIC, _lock, 2, 2);
1.90 paf 1070:
1.146 misha 1071: // ^file:find[file-name]
1072: // ^file:find[file-name]{when-not-found}
1.90 paf 1073: add_native_method("find", Method::CT_STATIC, _find, 1, 2);
1.47 parser 1074:
1.201 misha 1075: // ^file:dirname[/a/some.tar.gz]=/a
1.89 paf 1076: // ^file:dirname[/a/b/]=/a
1077: add_native_method("dirname", Method::CT_STATIC, _dirname, 1, 1);
1.201 misha 1078: // ^file:basename[/a/some.tar.gz]=some.tar.gz
1079: add_native_method("basename", Method::CT_STATIC, _basename, 1, 1);
1080: // ^file:justname[/a/some.tar.gz]=some.tar
1.89 paf 1081: add_native_method("justname", Method::CT_STATIC, _justname, 1, 1);
1.201 misha 1082: // ^file:justext[/a/some.tar.gz]=gz
1.89 paf 1083: add_native_method("justext", Method::CT_STATIC, _justext, 1, 1);
1.201 misha 1084: // /some/page.html: ^file:fullpath[a.gif] => /some/a.gif
1.102 paf 1085: add_native_method("fullpath", Method::CT_STATIC, _fullpath, 1, 1);
1.121 paf 1086:
1.201 misha 1087: // ^file.sql-string[]
1.121 paf 1088: add_native_method("sql-string", Method::CT_DYNAMIC, _sql_string, 0, 0);
1.122 paf 1089:
1.201 misha 1090: // ^file::sql{}[options hash]
1.122 paf 1091: add_native_method("sql", Method::CT_DYNAMIC, _sql, 1, 2);
1.139 paf 1092:
1.146 misha 1093: // ^file::base64[string] << decode
1.139 paf 1094: // ^file.base64[] << encode
1.151 misha 1095: // ^file:base64[file-name] << encode
1096: add_native_method("base64", Method::CT_ANY, _base64, 0, 1);
1.146 misha 1097:
1098: // ^file.crc32[]
1099: // ^file:crc32[file-name]
1100: add_native_method("crc32", Method::CT_ANY, _crc32, 0, 1);
1.147 misha 1101:
1102: // ^file.md5[]
1103: // ^file:md5[file-name]
1104: add_native_method("md5", Method::CT_ANY, _md5, 0, 1);
1105:
1.148 misha 1106: // ^file:copy[from-file-name;to-file-name]
1107: add_native_method("copy", Method::CT_STATIC, _copy, 2, 2);
1.1 paf 1108: }
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