Annotation of parser3/src/classes/file.C, revision 1.243
1.17 paf 1: /** @file
2: Parser: @b file parser class.
3:
1.241 moko 4: Copyright (c) 2001-2015 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:
1.243 ! moko 28: volatile const char * IDENT_FILE_C="$Id: file.C,v 1.242 2016/03/31 21:46:19 moko 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"
1.224 misha 36: #define KEEP_EMPTY_DIRS_NAME "keep-empty-dirs"
1.225 misha 37: #define SUPPRESS_EXCEPTION_NAME "exception"
1.131 paf 38:
1.132 paf 39: // externs
40:
41: extern String sql_limit_name;
42: extern String sql_offset_name;
43:
1.227 moko 44: // helpers
45:
46: class File_list_table_template_columns: public ArrayString {
47: public:
48: File_list_table_template_columns() {
49: *this+=new String("name");
50: *this+=new String("dir");
51: *this+=new String("size");
52: *this+=new String("cdate");
53: *this+=new String("mdate");
54: *this+=new String("adate");
55: }
56: };
57:
58: Table file_list_table_template(new File_list_table_template_columns);
59:
1.111 paf 60: // class
61:
62: class MFile: public Methoded {
63: public: // VStateless_class
1.199 misha 64: Value* create_new_value(Pool&) { return new VFile(); }
1.111 paf 65: public:
66: MFile();
67: };
68:
69: // global variable
70:
1.242 moko 71: DECLARE_CLASS_VAR(file, new MFile);
1.111 paf 72:
1.83 paf 73: // consts
74:
75: /// from apache-1.3|src|support|suexec.c
1.111 paf 76: static const char* suexec_safe_env_lst[]={
1.83 paf 77: "AUTH_TYPE",
78: "CONTENT_LENGTH",
79: "CONTENT_TYPE",
80: "DATE_GMT",
81: "DATE_LOCAL",
82: "DOCUMENT_NAME",
83: "DOCUMENT_PATH_INFO",
84: "DOCUMENT_ROOT",
85: "DOCUMENT_URI",
86: "FILEPATH_INFO",
87: "GATEWAY_INTERFACE",
88: "LAST_MODIFIED",
89: "PATH_INFO",
90: "PATH_TRANSLATED",
91: "QUERY_STRING",
92: "QUERY_STRING_UNESCAPED",
93: "REMOTE_ADDR",
94: "REMOTE_HOST",
95: "REMOTE_IDENT",
96: "REMOTE_PORT",
97: "REMOTE_USER",
98: "REDIRECT_QUERY_STRING",
99: "REDIRECT_STATUS",
100: "REDIRECT_URL",
101: "REQUEST_METHOD",
102: "REQUEST_URI",
103: "SCRIPT_FILENAME",
104: "SCRIPT_NAME",
105: "SCRIPT_URI",
106: "SCRIPT_URL",
107: "SERVER_ADMIN",
108: "SERVER_NAME",
109: "SERVER_ADDR",
110: "SERVER_PORT",
111: "SERVER_PROTOCOL",
112: "SERVER_SOFTWARE",
113: "UNIQUE_ID",
114: "USER_NAME",
115: "TZ",
116: NULL
117: };
118:
1.111 paf 119: // statics
1.33 paf 120:
1.112 paf 121: static const String::Body adate_name("adate");
122: static const String::Body mdate_name("mdate");
123: static const String::Body cdate_name("cdate");
1.32 paf 124:
1.1 paf 125: // methods
126:
1.111 paf 127: static void _save(Request& r, MethodParams& params) {
1.215 misha 128: bool is_text=VFile::is_text_mode(params.as_string(0, MODE_MUST_NOT_BE_CODE));
1.152 misha 129: Value& vfile_name=params.as_no_junction(1, FILE_NAME_MUST_NOT_BE_CODE);
1.4 paf 130:
1.201 misha 131: Charset* asked_charset=0;
132: if(params.count()>2)
1.214 misha 133: if(HashStringValue* options=params.as_hash(2)){
1.202 misha 134: int valid_options=0;
1.201 misha 135: if(Value* vcharset_name=options->get(PA_CHARSET_NAME)){
136: asked_charset=&::charsets.get(vcharset_name->as_string().change_case(r.charsets.source(), String::CC_UPPER));
137: valid_options++;
138: }
139: if(valid_options != options->count())
1.207 misha 140: throw Exception(PARSER_RUNTIME, 0, CALLED_WITH_INVALID_OPTION);
1.201 misha 141: }
142:
1.7 paf 143: // save
1.201 misha 144: GET_SELF(r, VFile).save(r.charsets, r.absolute(vfile_name.as_string()), is_text, asked_charset);
1.7 paf 145: }
146:
1.111 paf 147: static void _delete(Request& r, MethodParams& params) {
1.215 misha 148: const String& file_name=params.as_string(0, FILE_NAME_MUST_NOT_BE_CODE);
1.224 misha 149: bool keep_empty_dirs=false;
1.225 misha 150: bool fail_on_problem=true;
1.224 misha 151:
152: if(params.count()>1)
153: if(HashStringValue* options=params.as_hash(1)){
154: int valid_options=0;
155: if(Value* vkeep_empty_dirs=options->get(KEEP_EMPTY_DIRS_NAME)){
156: keep_empty_dirs=r.process_to_value(*vkeep_empty_dirs).as_bool();
157: valid_options++;
158: }
1.225 misha 159: if(Value* vsuppress_exception=options->get(SUPPRESS_EXCEPTION_NAME)){
160: fail_on_problem=r.process_to_value(*vsuppress_exception).as_bool();
161: valid_options++;
162: }
1.224 misha 163: if(valid_options != options->count())
164: throw Exception(PARSER_RUNTIME, 0, CALLED_WITH_INVALID_OPTION);
165: }
1.7 paf 166:
167: // unlink
1.225 misha 168: file_delete(r.absolute(file_name), fail_on_problem, keep_empty_dirs);
1.1 paf 169: }
170:
1.111 paf 171: static void _move(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");
1.224 misha 174: bool keep_empty_dirs=false;
175:
176: if(params.count()>2)
177: if(HashStringValue* options=params.as_hash(2)){
178: int valid_options=0;
179: if(Value* vkeep_empty_dirs=options->get(KEEP_EMPTY_DIRS_NAME)){
180: keep_empty_dirs=r.process_to_value(*vkeep_empty_dirs).as_bool();
181: valid_options++;
182: }
183: if(valid_options != options->count())
184: throw Exception(PARSER_RUNTIME, 0, CALLED_WITH_INVALID_OPTION);
185: }
1.45 parser 186:
1.51 parser 187: // move
1.68 paf 188: file_move(
1.45 parser 189: r.absolute(vfrom_file_name.as_string()),
1.224 misha 190: r.absolute(vto_file_name.as_string()),
191: keep_empty_dirs);
1.45 parser 192: }
193:
1.243 ! moko 194: static void copy_process_source(struct stat& , int from_file, const String&, void *context) {
1.148 misha 195: int& to_file=*static_cast<int *>(context);
196:
197: int nCount=0;
198: do {
199: unsigned char buffer[FILE_BUFFER_SIZE];
1.150 misha 200: nCount = file_block_read(from_file, buffer, sizeof(buffer));
1.148 misha 201: int written=write(to_file, buffer, nCount);
202: if( written < 0 )
1.179 misha 203: throw Exception("file.access",
1.148 misha 204: 0,
205: "write failed: %s (%d)", strerror(errno), errno);
206:
207: } while(nCount > 0);
208: }
209:
210: static void copy_open_target(int f, void *from_spec) {
211: String& file_spec=*static_cast<String *>(from_spec);
212: file_read_action_under_lock(file_spec, "copy", copy_process_source, &f);
1.235 moko 213: }
1.148 misha 214:
215: static void _copy(Request& r, MethodParams& params) {
216: Value& vfrom_file_name=params.as_no_junction(0, "from file name must not be code");
217: Value& vto_file_name=params.as_no_junction(1, "to file name must not be code");
218:
219: String from_spec = r.absolute(vfrom_file_name.as_string());
220: const String& to_spec = r.absolute(vto_file_name.as_string());
221:
222: file_write_action_under_lock(
223: to_spec,
224: "copy",
225: copy_open_target,
1.149 misha 226: &from_spec);
1.148 misha 227: }
228:
1.111 paf 229: static void _load_pass_param(
1.180 misha 230: HashStringValue::key_type key,
231: HashStringValue::value_type value,
232: HashStringValue *dest) {
1.111 paf 233: dest->put(key, value);
234: }
1.180 misha 235:
1.111 paf 236: static void _load(Request& r, MethodParams& params) {
1.215 misha 237: bool as_text=VFile::is_text_mode(params.as_string(0, MODE_MUST_NOT_BE_CODE));
238: const String& lfile_name=r.absolute(params.as_string(1, FILE_NAME_MUST_NOT_BE_CODE));
1.9 paf 239:
1.180 misha 240: size_t param_index=params.count()-1;
1.215 misha 241: Value* param_value=param_index>1?¶ms.as_no_junction(param_index, "file name or options must not be code"):0;
1.180 misha 242:
1.183 misha 243: HashStringValue* options=0;
1.215 misha 244: const String* user_file_name=0;
1.183 misha 245:
246: if(param_value){
247: options=param_value->get_hash();
248: if(options || param_index>2)
249: param_index--;
250: if(param_index>1){
251: const String& luser_file_name=params.as_string(param_index, FILE_NAME_MUST_BE_STRING);
252: if(!luser_file_name.is_empty())
1.215 misha 253: user_file_name=&luser_file_name;
1.183 misha 254: }
255: }
256: if(!user_file_name)
1.215 misha 257: user_file_name=&lfile_name;
1.180 misha 258:
1.132 paf 259: size_t offset=0;
260: size_t limit=0;
1.183 misha 261:
1.180 misha 262: if(options){
1.132 paf 263: options=new HashStringValue(*options);
1.180 misha 264: if(Value *voffset=(Value *)options->get(sql_offset_name)){
1.132 paf 265: offset=r.process_to_value(*voffset).as_int();
266: }
1.180 misha 267: if(Value *vlimit=(Value *)options->get(sql_limit_name)){
1.132 paf 268: limit=r.process_to_value(*vlimit).as_int();
269: }
270: // no check on options count here, see file_read
271: }
1.182 misha 272: File_read_result file=file_load(r, lfile_name,
1.180 misha 273: as_text, options, true, 0, offset, limit
1.104 paf 274: );
1.9 paf 275:
1.111 paf 276: Value* vcontent_type=0;
1.168 misha 277: if(file.headers){
1.181 misha 278: if(Value* remote_content_type=file.headers->get(HTTP_CONTENT_TYPE_UPPER))
1.129 paf 279: vcontent_type=new VString(*new String(remote_content_type->as_string().cstr()));
280: }
1.221 misha 281:
1.111 paf 282: VFile& self=GET_SELF(r, VFile);
1.221 misha 283: self.set(true/*tainted*/, as_text, file.str, file.length, user_file_name, vcontent_type, &r);
1.194 misha 284:
1.168 misha 285: if(file.headers){
1.143 paf 286: file.headers->for_each<HashStringValue*>(_load_pass_param, &self.fields());
1.168 misha 287: } else {
288: size_t size;
289: time_t atime, mtime, ctime;
290:
1.169 misha 291: file_stat(lfile_name, size, atime, mtime, ctime);
1.168 misha 292:
293: HashStringValue& ff=self.fields();
1.237 moko 294: ff.put(adate_name, new VDate((pa_time_t)atime));
295: ff.put(mdate_name, new VDate((pa_time_t)mtime));
296: ff.put(cdate_name, new VDate((pa_time_t)ctime));
1.168 misha 297: }
1.9 paf 298: }
299:
1.138 paf 300: static void _create(Request& r, MethodParams& params) {
1.215 misha 301: const String* mode=0;
302: const String* file_name=0;
303: bool is_text=true;
304:
305: // new format: ^file::create[string-or-file-content[;$.mode[text|binary] $.name[...] $.content-type[...] $.charset[...] ]]
306: size_t content_index=0;
307: size_t options_index=1;
308: bool extended_options=true;
309:
310: if(params.count()>=3){
311: // old format: ^file::create[text|binary;file-name;string-or-file-content[;options]]
312: mode=¶ms.as_string(0, MODE_MUST_NOT_BE_CODE);
313: is_text=VFile::is_text_mode(*mode);
314: file_name=¶ms.as_string(1, FILE_NAME_MUST_NOT_BE_CODE);
315: content_index=2;
316: options_index=3;
317: extended_options=false;
318: }
1.203 misha 319:
1.211 misha 320: VString* vcontent_type=0;
1.215 misha 321: Charset* asked_charset=0;
322: if(params.count()>options_index)
323: if(HashStringValue* options=params.as_hash(options_index)) {
1.203 misha 324: int valid_options=0;
1.215 misha 325: if(extended_options) {
326: if(Value* vmode=options->get(MODE_NAME)) {
327: mode=&vmode->as_string();
328: is_text=VFile::is_text_mode(*mode);
329: valid_options++;
330: }
331: if(Value* vfile_name=options->get(NAME_NAME)) {
332: file_name=&vfile_name->as_string();
333: valid_options++;
334: }
335: }
336: if(Value* vcharset_name=options->get(PA_CHARSET_NAME)) {
1.203 misha 337: asked_charset=&::charsets.get(vcharset_name->as_string().change_case(r.charsets.source(), String::CC_UPPER));
338: valid_options++;
339: }
1.211 misha 340: if(Value* value=options->get(CONTENT_TYPE_NAME)) {
341: vcontent_type=new VString(value->as_string());
342: valid_options++;
343: }
1.203 misha 344: if(valid_options != options->count())
1.207 misha 345: throw Exception(PARSER_RUNTIME, 0, CALLED_WITH_INVALID_OPTION);
1.215 misha 346: }
1.211 misha 347:
1.215 misha 348: Value& vcontent=params.as_no_junction(content_index, "content must be string or file");
1.203 misha 349:
1.138 paf 350: VFile& self=GET_SELF(r, VFile);
1.194 misha 351:
1.215 misha 352: if(const String* content_str=vcontent.get_string()){
1.229 moko 353: String::Body body=content_str->cstr_to_string_body_untaint(String::L_AS_IS, r.connection(false), &r.charsets); // explode content, honor tainting changes
1.215 misha 354: if(asked_charset && is_text)
355: body=Charset::transcode(body, r.charsets.source(), *asked_charset);
1.222 moko 356: self.set(true/*tainted*/, is_text, body.cstrm(), body.length(), file_name, vcontent_type, &r);
1.215 misha 357: } else {
358: if(asked_charset)
359: throw Exception(PARSER_RUNTIME, 0, "charset option can not be used with file-content");
1.226 moko 360: self.set(*vcontent.as_vfile(String::L_AS_IS), mode != 0, is_text, file_name, vcontent_type, &r);
1.215 misha 361: }
362:
1.138 paf 363: }
364:
1.111 paf 365: static void _stat(Request& r, MethodParams& params) {
1.215 misha 366: const String& lfile_name=params.as_string(0, FILE_NAME_MUST_NOT_BE_CODE);
1.25 paf 367:
1.40 parser 368: size_t size;
369: time_t atime, mtime, ctime;
370: file_stat(r.absolute(lfile_name),
371: size,
372: atime, mtime, ctime);
1.25 paf 373:
1.111 paf 374: VFile& self=GET_SELF(r, VFile);
1.167 misha 375:
1.222 moko 376: self.set_binary(true/*tainted*/, 0/*no bytes*/, size, &lfile_name, 0, &r);
1.111 paf 377: HashStringValue& ff=self.fields();
1.237 moko 378: ff.put(adate_name, new VDate((pa_time_t)atime));
379: ff.put(mdate_name, new VDate((pa_time_t)mtime));
380: ff.put(cdate_name, new VDate((pa_time_t)ctime));
1.25 paf 381: }
382:
1.111 paf 383: static bool is_safe_env_key(const char* key) {
384: for(const char* validator=key; *validator; validator++) {
385: char c=*validator;
1.234 moko 386: if(!( (c>='A' && c<='Z') || (c>='0' && c<='9') || (c=='_' || c=='-') ))
1.111 paf 387: return false;
388: }
1.205 pretende 389: #ifdef PA_SAFE_MODE
1.88 paf 390: if(strncasecmp(key, "HTTP_", 5)==0)
1.83 paf 391: return true;
1.87 paf 392: if(strncasecmp(key, "CGI_", 4)==0)
1.83 paf 393: return true;
394: for(int i=0; suexec_safe_env_lst[i]; i++) {
1.87 paf 395: if(strcasecmp(key, suexec_safe_env_lst[i])==0)
1.83 paf 396: return true;
397: }
398: return false;
1.205 pretende 399: #else
400: return true;
401: #endif
1.83 paf 402: }
1.90 paf 403: #ifndef DOXYGEN
404: struct Append_env_pair_info {
1.141 paf 405: Request_charsets* charsets;
1.111 paf 406: HashStringString* env;
1.100 paf 407: Value* vstdin;
1.90 paf 408: };
409: #endif
1.111 paf 410: static void append_env_pair(
1.180 misha 411: HashStringValue::key_type akey,
412: HashStringValue::value_type avalue,
413: Append_env_pair_info *info) {
1.111 paf 414: if(akey==STDIN_EXEC_PARAM_NAME) {
415: info->vstdin=avalue;
416: } else if(akey==CHARSET_EXEC_PARAM_NAME) {
1.141 paf 417: // ignore, already processed
1.90 paf 418: } else {
1.111 paf 419: if(!is_safe_env_key(akey.cstr()))
1.156 misha 420: throw Exception(PARSER_RUNTIME,
1.111 paf 421: new String(akey, String::L_TAINTED),
1.90 paf 422: "not safe environment variable");
1.196 misha 423: info->env->put(akey, avalue->as_string().cstr_to_string_body_untaint(String::L_AS_IS, 0, info->charsets));
1.90 paf 424: }
1.22 paf 425: }
1.94 paf 426: #ifndef DOXYGEN
427: struct Pass_cgi_header_attribute_info {
1.111 paf 428: Charset* charset;
429: HashStringValue* fields;
430: Value* content_type;
1.94 paf 431: };
432: #endif
1.111 paf 433: static void pass_cgi_header_attribute(
1.180 misha 434: ArrayString::element_type astring,
435: Pass_cgi_header_attribute_info* info) {
1.111 paf 436: size_t colon_pos=astring->pos(':');
1.130 paf 437: if(colon_pos!=STRING_NOT_FOUND) {
1.111 paf 438: const String& key=astring->mid(0, colon_pos).change_case(
439: *info->charset, String::CC_UPPER);
1.130 paf 440: Value* value=new VString(astring->mid(colon_pos+1, astring->length()).trim());
1.111 paf 441: info->fields->put(key, value);
1.181 misha 442: if(key==HTTP_CONTENT_TYPE_UPPER)
1.111 paf 443: info->content_type=value;
1.94 paf 444: }
1.29 paf 445: }
1.155 misha 446:
447: static void append_to_argv(Request& r, ArrayString& argv, const String* str){
1.187 misha 448: if(!str->is_empty())
1.229 moko 449: argv+=new String(str->cstr_to_string_body_untaint(String::L_AS_IS, r.connection(false), &r.charsets), String::L_AS_IS);
1.155 misha 450: }
451:
1.90 paf 452: /// @todo fix `` in perl - they produced flipping consoles and no output to perl
1.194 misha 453: static void _exec_cgi(Request& r, MethodParams& params, bool cgi) {
1.215 misha 454: bool is_text=true;
1.194 misha 455: size_t param_index=0;
1.215 misha 456: const String& mode=params.as_string(0, FIRST_ARG_MUST_NOT_BE_CODE);
457: if(VFile::is_valid_mode(mode)) {
458: is_text=VFile::is_text_mode(mode);
1.194 misha 459: param_index++;
1.162 misha 460: }
461:
462: if(param_index>=params.count())
1.215 misha 463: throw Exception(PARSER_RUNTIME, 0, FILE_NAME_MUST_BE_SPECIFIED);
1.162 misha 464:
1.215 misha 465: const String& script_name=r.absolute(params.as_string(param_index++, FILE_NAME_MUST_NOT_BE_CODE));
1.23 paf 466:
1.111 paf 467: HashStringString env;
1.239 moko 468: #define ECSTR(name, value_cstr) if(value_cstr) env.put(#name, value_cstr);
1.233 moko 469: // passing environment
470: for(SAPI::Env::Iterator i(r.sapi_info); i; i.next() )
1.239 moko 471: env.put(i.key(), i.value() );
1.82 paf 472:
1.23 paf 473: // const
1.63 paf 474: ECSTR(GATEWAY_INTERFACE, "CGI/1.1");
1.231 moko 475: ECSTR(PARSER_VERSION, PARSER_VERSION);
1.23 paf 476: // from Request.info
1.111 paf 477: ECSTR(DOCUMENT_ROOT, r.request_info.document_root);
478: ECSTR(PATH_TRANSLATED, r.request_info.path_translated);
479: ECSTR(REQUEST_METHOD, r.request_info.method);
480: ECSTR(QUERY_STRING, r.request_info.query_string);
481: ECSTR(REQUEST_URI, r.request_info.uri);
482: ECSTR(CONTENT_TYPE, r.request_info.content_type);
1.200 misha 483: ECSTR(CONTENT_LENGTH, format(r.request_info.content_length, "%u"));
1.82 paf 484: // SCRIPT_*
1.240 moko 485: env.put("SCRIPT_NAME", script_name);
1.23 paf 486:
1.90 paf 487: // environment & stdin from param
1.111 paf 488: String *in=new String();
1.109 paf 489: Charset *charset=0; // default script works raw_in 'source' charset = no transcoding needed
1.162 misha 490: if(param_index < params.count()) {
1.220 misha 491: if(HashStringValue* user_env=params.as_hash(param_index++, "env")) {
1.141 paf 492: // $.charset [previewing to handle URI pieces]
493: if(Value* vcharset=user_env->get(CHARSET_EXEC_PARAM_NAME))
494: charset=&charsets.get(vcharset->as_string()
495: .change_case(r.charsets.source(), String::CC_UPPER));
496:
497: // $.others
498: Append_env_pair_info info={&r.charsets, &env, 0};
499: {
1.144 paf 500: // influence tainting
501: // main target -- $.QUERY_STRING -- URLencoding of tainted pieces to String::L_URI lang
1.141 paf 502: Temp_client_charset temp(r.charsets, charset? *charset: r.charsets.source());
1.143 paf 503: user_env->for_each<Append_env_pair_info*>(append_env_pair, &info);
1.141 paf 504: }
1.109 paf 505: // $.stdin
1.103 paf 506: if(info.vstdin) {
1.111 paf 507: if(const String* sstdin=info.vstdin->get_string()) {
1.213 moko 508: // untaint stdin
1.229 moko 509: in = new String(sstdin->cstr_to_string_body_untaint(String::L_AS_IS, r.connection(false), &r.charsets), String::L_AS_IS);
1.103 paf 510: } else
1.199 misha 511: if(VFile* vfile=static_cast<VFile *>(info.vstdin->as("file")))
1.111 paf 512: in->append_know_length((const char* )vfile->value_ptr(), vfile->value_size(), String::L_TAINTED);
1.100 paf 513: else
1.156 misha 514: throw Exception(PARSER_RUNTIME,
1.111 paf 515: 0,
1.100 paf 516: STDIN_EXEC_PARAM_NAME " parameter must be string or file");
1.103 paf 517: }
1.90 paf 518: }
1.21 paf 519: }
520:
1.90 paf 521: // argv from params
1.111 paf 522: ArrayString argv;
1.162 misha 523: if(param_index < params.count()) {
1.180 misha 524: // influence tainting
525: Temp_client_charset temp(r.charsets, charset? *charset: r.charsets.source());
1.154 misha 526:
1.162 misha 527: for(size_t i=param_index; i<params.count(); i++) {
1.161 misha 528: Value& param=params.as_no_junction(i, PARAM_MUST_NOT_BE_CODE);
1.154 misha 529: if(param.is_defined()){
530: if(param.is_string()){
1.155 misha 531: append_to_argv(r, argv, param.get_string());
1.154 misha 532: } else {
1.155 misha 533: Table* table=param.get_table();
534: if(table){
535: for(size_t i=0; i<table->count(); i++) {
536: append_to_argv(r, argv, table->get(i)->get(0));
1.154 misha 537: }
538: } else {
1.156 misha 539: throw Exception(PARSER_RUNTIME,
1.154 misha 540: 0,
1.162 misha 541: "param must be string or table");
1.154 misha 542: }
543: }
1.145 misha 544: }
1.144 paf 545: }
1.21 paf 546: }
1.90 paf 547:
1.109 paf 548: // transcode if necessary
549: if(charset) {
1.111 paf 550: Charset::transcode(env, r.charsets.source(), *charset);
551: Charset::transcode(argv, r.charsets.source(), *charset);
552: in=&Charset::transcode(*in, r.charsets.source(), *charset);
553: }
554: // @todo
555: // ifdef WIN32 do OEM->ANSI transcode on some(.cmd?) programs to
556: // match silent conversion in OS
557:
558: // exec!
1.163 misha 559: PA_exec_result execution=pa_exec(false/*forced_allow*/, script_name, &env, argv, *in);
1.111 paf 560:
1.162 misha 561: File_read_result *file_out=&execution.out;
1.111 paf 562: String *real_err=&execution.err;
1.162 misha 563:
1.165 misha 564: // transcode err if necessary (@todo: need fix line breaks in err as well )
565: if(charset)
566: real_err=&Charset::transcode(*real_err, *charset, r.charsets.source());
567:
1.215 misha 568: if(file_out->length && is_text){
1.162 misha 569: fix_line_breaks(file_out->str, file_out->length);
570: // treat output as string
1.188 misha 571: String *real_out = new String(file_out->str);
1.162 misha 572:
1.165 misha 573: // transcode out if necessary
574: if(charset)
1.162 misha 575: real_out=&Charset::transcode(*real_out, *charset, r.charsets.source());
1.165 misha 576:
1.162 misha 577: // FIXME: unsafe cast
1.163 misha 578: file_out->str=const_cast<char *>(real_out->cstr()); // hacking a little
1.162 misha 579: file_out->length = real_out->length();
1.109 paf 580: }
581:
1.111 paf 582: VFile& self=GET_SELF(r, VFile);
1.109 paf 583:
1.162 misha 584: if(cgi) { // ^file::cgi
1.163 misha 585: const char* eol_marker=0;
586: size_t eol_marker_size;
587:
1.111 paf 588: // construct with 'out' body and header
1.165 misha 589: size_t dos_pos=(file_out->length)?strpos(file_out->str, "\r\n\r\n"):STRING_NOT_FOUND;
590: size_t unix_pos=(file_out->length)?strpos(file_out->str, "\n\n"):STRING_NOT_FOUND;
1.111 paf 591:
592: bool unix_header_break;
593: switch((dos_pos!=STRING_NOT_FOUND?10:00) + (unix_pos!=STRING_NOT_FOUND?01:00)) {
1.166 misha 594: case 10: // dos
595: unix_header_break=false;
596: break;
597: case 01: // unix
598: unix_header_break=true;
599: break;
600: case 11: // dos & unix
601: unix_header_break=unix_pos<dos_pos;
602: break;
603: default: // 00
604: unix_header_break=false; // calm down, compiler
1.179 misha 605: throw Exception("file.execute",
1.166 misha 606: 0,
607: "output does not contain CGI header; "
608: "exit status=%d; stdoutsize=%u; stdout: \"%s\"; stderrsize=%u; stderr: \"%s\"",
609: execution.status,
1.194 misha 610: file_out->length, (file_out->length) ? (file_out->str) : "",
611: real_err->length(), real_err->cstr());
1.166 misha 612: break; //never reached
1.111 paf 613: }
614:
1.165 misha 615: size_t header_break_pos;
1.111 paf 616: if(unix_header_break) {
617: header_break_pos=unix_pos;
1.165 misha 618: eol_marker="\n";
619: eol_marker_size=1;
1.111 paf 620: } else {
621: header_break_pos=dos_pos;
1.165 misha 622: eol_marker="\r\n";
623: eol_marker_size=2;
1.111 paf 624: }
1.21 paf 625:
1.162 misha 626: file_out->str[header_break_pos] = 0;
1.188 misha 627: String *header=new String(file_out->str);
1.162 misha 628: unsigned long headersize = header_break_pos+eol_marker_size*2;
629: file_out->str += headersize;
630: file_out->length -= headersize;
631:
1.164 misha 632: // $body
1.221 misha 633: self.set(false/*not tainted*/, is_text, file_out->str, file_out->length);
1.164 misha 634:
1.162 misha 635: // $fields << header
1.194 misha 636: if(header) {
1.162 misha 637: ArrayString rows;
638: size_t pos_after=0;
639: header->split(rows, pos_after, eol_marker);
640: Pass_cgi_header_attribute_info info={0, 0, 0};
641: info.charset=&r.charsets.source();
642: info.fields=&self.fields();
643: rows.for_each(pass_cgi_header_attribute, &info);
644: if(info.content_type)
645: self.fields().put(content_type_name, info.content_type);
646: }
1.164 misha 647: } else { // ^file::exec
1.166 misha 648: // $body
1.221 misha 649: self.set(false/*not tainted*/, is_text, file_out->str, file_out->length);
1.164 misha 650: }
1.163 misha 651:
1.42 parser 652: // $status
1.111 paf 653: self.fields().put(file_status_name, new VInt(execution.status));
1.21 paf 654:
655: // $stderr
1.187 misha 656: if(!real_err->is_empty())
1.240 moko 657: self.fields().put("stderr", new VString(*real_err));
1.21 paf 658: }
1.111 paf 659: static void _exec(Request& r, MethodParams& params) {
660: _exec_cgi(r, params, false);
1.41 parser 661: }
1.111 paf 662: static void _cgi(Request& r, MethodParams& params) {
663: _exec_cgi(r, params, true);
1.41 parser 664: }
665:
1.111 paf 666: static void _list(Request& r, MethodParams& params) {
667: Value& relative_path=params.as_no_junction(0, "path must not be code");
1.47 parser 668:
1.227 moko 669: bool stat=false;
1.191 misha 670: VRegex* vregex=0;
1.184 misha 671: VRegexCleaner vrcleaner;
1.227 moko 672:
1.184 misha 673: if(params.count()>1){
1.227 moko 674: Value& voption=params.as_no_junction(1, "option must not be code");
675: if(voption.is_defined()) {
676: Value* vfilter=0;
677: if(HashStringValue* options=voption.get_hash()) {
678: int valid_options=0;
679: if(Value* vstat=options->get("stat")) {
680: stat=r.process_to_value(*vstat).as_bool();
681: valid_options++;
682: }
683: if(Value* value=options->get("filter")) {
684: vfilter=value;
1.230 moko 685: valid_options++;
1.227 moko 686: }
687: if(valid_options!=options->count())
688: throw Exception(PARSER_RUNTIME, 0, CALLED_WITH_INVALID_OPTION);
1.191 misha 689: } else {
1.227 moko 690: vfilter=&voption;
691: }
1.234 moko 692: if(vfilter) {
1.227 moko 693: if(Value* value=vfilter->as(VREGEX_TYPE)) {
694: vregex=static_cast<VRegex*>(value);
695: } else if(vfilter->is_string()) {
696: if(!vfilter->get_string()->trim().is_empty()) {
697: vregex=new VRegex(r.charsets.source(), &vfilter->as_string(), 0/*options*/);
1.234 moko 698: vregex->study();
699: vrcleaner.vregex=vregex;
700: }
1.227 moko 701: } else {
702: throw Exception(PARSER_RUNTIME, 0, "filter must be regex or string");
703: }
1.234 moko 704: }
1.184 misha 705: }
1.114 paf 706: }
1.47 parser 707:
1.196 misha 708: const char* absolute_path_cstr=r.absolute(relative_path.as_string()).taint_cstr(String::L_FILE_SPEC);
1.47 parser 709:
1.227 moko 710: Table::Action_options table_options;
711: Table& table=*new Table(file_list_table_template, table_options);
1.47 parser 712:
1.184 misha 713: const int ovector_size=(1/*match*/)*3;
714: int ovector[ovector_size];
715:
1.47 parser 716: LOAD_DIR(absolute_path_cstr,
1.111 paf 717: const char* file_name_cstr=ffblk.ff_name;
718: size_t file_name_size=strlen(file_name_cstr);
1.47 parser 719:
1.184 misha 720: if(!vregex || vregex->exec(ffblk.ff_name, file_name_size, ovector, ovector_size)>=0) {
1.111 paf 721: Table::element_type row(new ArrayString);
1.190 misha 722: *row+=new String(pa_strdup(file_name_cstr, file_name_size), String::L_TAINTED);
1.236 moko 723: *row+=new String(String::Body::Format(ffblk.is_dir(stat) ? 1 : 0), String::L_CLEAN);
1.227 moko 724: if(stat) {
725: *row+=VDouble(ffblk.size()).get_string();
1.232 misha 726: *row+=new String(String::Body::Format((int)ffblk.c_timestamp()), String::L_CLEAN);
727: *row+=new String(String::Body::Format((int)ffblk.m_timestamp()), String::L_CLEAN);
728: *row+=new String(String::Body::Format((int)ffblk.a_timestamp()), String::L_CLEAN);
1.227 moko 729: }
1.111 paf 730: table+=row;
1.47 parser 731: }
732: );
733:
1.60 parser 734: // write out result
1.111 paf 735: r.write_no_lang(*new VTable(&table));
1.47 parser 736: }
1.21 paf 737:
1.69 paf 738: #ifndef DOXYGEN
739: struct Lock_execute_body_info {
1.111 paf 740: Request* r;
741: Value* body_code;
1.69 paf 742: };
743: #endif
1.235 moko 744:
1.111 paf 745: static void lock_execute_body(int , void *ainfo) {
746: Lock_execute_body_info& info=*static_cast<Lock_execute_body_info *>(ainfo);
1.69 paf 747: // execute body
1.78 paf 748: info.r->write_assign_lang(info.r->process(*info.body_code));
1.235 moko 749: }
750:
1.111 paf 751: static void _lock(Request& r, MethodParams& params) {
1.152 misha 752: const String& file_spec=r.absolute(params.as_string(0, FILE_NAME_MUST_BE_STRING));
1.116 paf 753: Lock_execute_body_info info={
754: &r,
1.117 paf 755: ¶ms.as_junction(1, "body must be code")
1.116 paf 756: };
1.69 paf 757:
1.158 misha 758: file_write_action_under_lock(
759: file_spec,
760: "lock",
761: lock_execute_body,
762: &info);
1.69 paf 763: }
764:
1.219 misha 765: static size_t afterlastslash(const String& str) {
766: size_t pos=str.strrpbrk("/\\");
767: return pos!=STRING_NOT_FOUND?pos+1:0;
768: }
769:
770: static size_t afterlastslash(const String& str, size_t right) {
771: size_t pos=str.strrpbrk("/\\", 0, right);
772: return pos!=STRING_NOT_FOUND?pos+1:0;
773: }
774:
1.111 paf 775: static void _find(Request& r, MethodParams& params) {
1.215 misha 776: const String& file_name=params.as_string(0, FILE_NAME_MUST_NOT_BE_CODE);
1.219 misha 777:
1.215 misha 778: Value* not_found_code=(params.count()==2)?¶ms.as_junction(1, "not-found param must be code"):0;
779:
1.111 paf 780: const String* file_spec;
1.90 paf 781: if(file_name.first_char()=='/')
782: file_spec=&file_name;
783: else
1.111 paf 784: file_spec=&r.relative(r.request_info.uri, file_name);
1.90 paf 785:
786: // easy way
1.142 paf 787: if(file_exist(r.absolute(*file_spec))) {
1.96 paf 788: r.write_assign_lang(*file_spec);
1.90 paf 789: return;
790: }
791:
792: // monkey way
1.219 misha 793: size_t last_slash=file_spec->strrpbrk("/\\");
794: const String& dirname=file_spec->mid(0, last_slash!=STRING_NOT_FOUND?last_slash:0);
795: const String& basename=file_spec->mid(last_slash!=STRING_NOT_FOUND?last_slash+1:0, file_spec->length());
796:
797: size_t rpos=dirname.is_empty()?0:dirname.length()-1;
798: while((rpos=dirname.rskipchars("/\\", 0, rpos))!=STRING_NOT_FOUND){
799: size_t slash=dirname.strrpbrk("/\\", 0, rpos);
800: if(slash==STRING_NOT_FOUND)
801: break;
1.111 paf 802: String test_name;
1.219 misha 803: test_name << dirname.mid(0, slash+1);
804: test_name << basename;
1.142 paf 805: if(file_exist(r.absolute(test_name))) {
1.111 paf 806: r.write_assign_lang(test_name);
1.90 paf 807: return;
808: }
1.219 misha 809: rpos=slash;
1.90 paf 810: }
811:
812: // no way, not found
1.215 misha 813: if(not_found_code)
814: r.write_pass_lang(r.process(*not_found_code));
1.90 paf 815: }
816:
1.111 paf 817: static void _dirname(Request& r, MethodParams& params) {
1.152 misha 818: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.219 misha 819: // works as *nix dirname
820:
821: // empty > .
822: // / > /
823: // /a > /
824: // /a/ > /
1.180 misha 825: // /a/some.tar.gz > /a
1.219 misha 826: // /a/b/ > /a
827: // /a///b/ > /a
828: // /a/b/// > /a
829: // file > .
830:
831: if(file_spec.is_empty()) {
832: r.write_assign_lang(String("."));
833: return;
834: }
835:
836: size_t p;
837: size_t slash;
838: if((p=file_spec.rskipchars("/\\"))==STRING_NOT_FOUND)
839: r.write_assign_lang(String("/"));
840: else {
841: if((slash=file_spec.strrpbrk("/\\", 0, p))!=STRING_NOT_FOUND) {
842: if((p=file_spec.rskipchars("/\\", 0, slash))==STRING_NOT_FOUND)
843: p=slash;
844: r.write_assign_lang(file_spec.mid(0, p+1));
845: return;
846: }
1.189 misha 847: r.write_assign_lang(String("."));
1.219 misha 848: }
1.89 paf 849: }
850:
1.111 paf 851: static void _basename(Request& r, MethodParams& params) {
1.152 misha 852: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.219 misha 853: // works as *nix basename
854:
855: // empty > .
856: // / > /
857: // /a > a
858: // /a/ > a
1.180 misha 859: // /a/some.tar.gz > some.tar.gz
1.219 misha 860: // /a/b/ > b
861: // /a///b/ > b
862: // /a/b/// > b
863: // file > file
864:
865: if(file_spec.is_empty()) {
866: r.write_assign_lang(String("."));
867: return;
868: }
869:
870: size_t p=file_spec.rskipchars("/\\");
871: if(p==STRING_NOT_FOUND)
872: r.write_assign_lang(String("/"));
873: else
874: r.write_assign_lang(file_spec.mid(afterlastslash(file_spec, p), p+1));
1.89 paf 875: }
876:
1.111 paf 877: static void _justname(Request& r, MethodParams& params) {
1.152 misha 878: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.180 misha 879: // /a/some.tar.gz > some.tar
1.219 misha 880: // /a/b.c/ > empty
881: // /a/b.c > b
882: size_t pos=afterlastslash(file_spec);
883: size_t dotpos=file_spec.strrpbrk(".", pos);
884: r.write_assign_lang(file_spec.mid(pos, dotpos!=STRING_NOT_FOUND?dotpos:file_spec.length()));
1.89 paf 885: }
1.219 misha 886:
1.111 paf 887: static void _justext(Request& r, MethodParams& params) {
1.152 misha 888: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.180 misha 889: // /a/some.tar.gz > gz
1.219 misha 890: // /a/b.c/ > empty
891: size_t pos=afterlastslash(file_spec);
892: size_t dotpos=file_spec.strrpbrk(".", pos);
893: if(dotpos!=STRING_NOT_FOUND)
894: r.write_assign_lang(file_spec.mid(dotpos+1, file_spec.length()));
1.89 paf 895: }
896:
1.111 paf 897: static void _fullpath(Request& r, MethodParams& params) {
1.152 misha 898: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.111 paf 899: const String* result;
1.102 paf 900: if(file_spec.first_char()=='/')
901: result=&file_spec;
902: else {
903: // /some/page.html: ^file:fullpath[a.gif] => /some/a.gif
904: const String& full_disk_path=r.absolute(file_spec);
1.111 paf 905: size_t document_root_length=strlen(r.request_info.document_root);
1.106 paf 906:
907: if(document_root_length>0) {
1.111 paf 908: char last_char=r.request_info.document_root[document_root_length-1];
1.106 paf 909: if(last_char == '/' || last_char == '\\')
910: --document_root_length;
911: }
1.111 paf 912: result=&full_disk_path.mid(document_root_length, full_disk_path.length());
1.102 paf 913: }
914: r.write_assign_lang(*result);
915: }
916:
1.121 paf 917: static void _sql_string(Request& r, MethodParams&) {
918: VFile& self=GET_SELF(r, VFile);
919:
920: const char *quoted=r.connection()->quote(self.value_ptr(), self.value_size());
921: r.write_assign_lang(*new String(quoted));
922: }
1.89 paf 923:
1.122 paf 924: #ifndef DOXYGEN
925: class File_sql_event_handlers: public SQL_Driver_query_event_handlers {
926: const String& statement_string; const char* statement_cstr;
927: int got_columns;
928: int got_cells;
929: public:
930: String::C value;
1.131 paf 931: const String* user_file_name;
932: const String* user_content_type;
1.122 paf 933: public:
934: File_sql_event_handlers(
935: const String& astatement_string, const char* astatement_cstr):
936: statement_string(astatement_string), statement_cstr(astatement_cstr),
937: got_columns(0),
938: got_cells(0),
939: user_file_name(0),
940: user_content_type(0) {}
941:
942: bool add_column(SQL_Error& error, const char* /*str*/, size_t /*length*/) {
943: if(got_columns++==3) {
1.156 misha 944: error=SQL_Error(PARSER_RUNTIME, "result must contain not more then 3 columns");
1.122 paf 945: return true;
946: }
947: return false;
948: }
949: bool before_rows(SQL_Error& /*error*/ ) { /* ignore */ return false; }
950: bool add_row(SQL_Error& /*error*/) { /* ignore */ return false; }
951: bool add_row_cell(SQL_Error& error, const char* str, size_t length) {
952: try {
953: switch(got_cells++) {
954: case 0:
955: value=String::C(str, length);
956: break;
957: case 1:
1.131 paf 958: if(!user_file_name) // user not specified?
1.190 misha 959: user_file_name=new String(str, String::L_TAINTED);
1.122 paf 960: break;
961: case 2:
1.131 paf 962: if(!user_content_type) // user not specified?
1.190 misha 963: user_content_type=new String(str, String::L_TAINTED);
1.122 paf 964: break;
965: default:
1.210 misha 966: error=SQL_Error(PARSER_RUNTIME, "result must not contain more then one row, three columns");
1.122 paf 967: return true;
968: }
969: return false;
970: } catch(...) {
971: error=SQL_Error("exception occured in File_sql_event_handlers::add_row_cell");
972: return true;
973: }
974: }
975: };
976: #endif
977: static void _sql(Request& r, MethodParams& params) {
1.131 paf 978: Value& statement=params.as_junction(0, "statement must be code");
1.122 paf 979:
980: Temp_lang temp_lang(r, String::L_SQL);
981: const String& statement_string=r.process_to_string(statement);
1.197 misha 982: const char* statement_cstr=statement_string.untaint_cstr(r.flang, r.connection());
1.195 misha 983:
1.122 paf 984: File_sql_event_handlers handlers(statement_string, statement_cstr);
1.131 paf 985:
1.173 misha 986: ulong limit=SQL_NO_LIMIT;
1.172 misha 987: ulong offset=0;
988:
1.131 paf 989: if(params.count()>1)
1.220 misha 990: if(HashStringValue* options=params.as_hash(1, "sql options")) {
1.131 paf 991: int valid_options=0;
992: if(Value* vfilename=options->get(NAME_NAME)) {
993: valid_options++;
994: handlers.user_file_name=&vfilename->as_string();
995: }
996: if(Value* vcontent_type=options->get(CONTENT_TYPE_NAME)) {
997: valid_options++;
998: handlers.user_content_type=&vcontent_type->as_string();
999: }
1.173 misha 1000: if(Value* vlimit=options->get(sql_limit_name)) {
1001: valid_options++;
1002: limit=(ulong)r.process_to_value(*vlimit).as_double();
1003: }
1.172 misha 1004: if(Value* voffset=options->get(sql_offset_name)) {
1005: valid_options++;
1006: offset=(ulong)r.process_to_value(*voffset).as_double();
1007: }
1.131 paf 1008: if(valid_options!=options->count())
1.207 misha 1009: throw Exception(PARSER_RUNTIME, 0, CALLED_WITH_INVALID_OPTION);
1.131 paf 1010: }
1011:
1012:
1.122 paf 1013: r.connection()->query(
1.123 paf 1014: statement_cstr,
1015: 0, 0,
1.173 misha 1016: offset, limit,
1.122 paf 1017: handlers,
1018: statement_string);
1019:
1.238 moko 1020: if(!handlers.value.str)
1021: throw Exception(PARSER_RUNTIME, 0, "produced no result");
1.122 paf 1022:
1.215 misha 1023: VFile& self=GET_SELF(r, VFile);
1.122 paf 1024:
1.222 moko 1025: self.set_binary(true/*tainted*/, handlers.value.str, handlers.value.length, handlers.user_file_name
1.215 misha 1026: , handlers.user_content_type ? new VString(*handlers.user_content_type) : 0
1027: , &r);
1.122 paf 1028: }
1.140 paf 1029:
1.139 paf 1030: static void _base64(Request& r, MethodParams& params) {
1.209 misha 1031: bool dynamic=!(&r.get_self() == file_class);
1032: if(dynamic) {
1.180 misha 1033: VFile& self=GET_SELF(r, VFile);
1034: if(params.count()) {
1.209 misha 1035: // decode:
1036: // ^file::base64[encoded] // backward
1.217 misha 1037: // ^file::base64[mode;user-file-name;encoded[;$.content-type[...] $.strict(true|false)]]
1.209 misha 1038: bool is_text=false;
1.217 misha 1039: bool strict=false;
1.209 misha 1040: VString* vcontent_type=0;
1.215 misha 1041: const String* user_file_name=0;
1.209 misha 1042: size_t param_index=0;
1043:
1044: if(params.count() > 1) {
1045: if(params.count() < 3)
1046: throw Exception(PARSER_RUNTIME,
1047: 0,
1.215 misha 1048: "constructor can not have less then 3 parameters (has %d parameters)",
1.209 misha 1049: params.count()); // actually it accepts 1 parameter (backward)
1050:
1.215 misha 1051: is_text=VFile::is_text_mode(params.as_string(0, MODE_MUST_NOT_BE_CODE));
1052: user_file_name=¶ms.as_string(1, FILE_NAME_MUST_BE_STRING);
1.209 misha 1053:
1054: if(params.count() == 4)
1055: if(HashStringValue* options=params.as_hash(3)) {
1056: int valid_options=0;
1057: if(Value* value=options->get(CONTENT_TYPE_NAME)) {
1058: vcontent_type=new VString(value->as_string());
1059: valid_options++;
1060: }
1.217 misha 1061: if(Value* vstrict=options->get(BASE64_STRICT_OPTION_NAME)) {
1062: strict=r.process_to_value(*vstrict).as_bool();
1063: valid_options++;
1064: }
1.209 misha 1065: if(valid_options!=options->count())
1066: throw Exception(PARSER_RUNTIME, 0, CALLED_WITH_INVALID_OPTION);
1067: }
1068:
1069: param_index=2;
1070: }
1071:
1072: const char* encoded=params.as_string(param_index, PARAMETER_MUST_BE_STRING).cstr();
1073:
1.180 misha 1074: char* decoded=0;
1075: size_t length=0;
1.217 misha 1076: pa_base64_decode(encoded, strlen(encoded), decoded, length, strict);
1.209 misha 1077:
1.221 misha 1078: self.set(true/*tainted*/, is_text, decoded, length, user_file_name, vcontent_type, &r);
1.180 misha 1079: } else {
1080: // encode: ^f.base64[]
1081: const char* encoded=pa_base64_encode(self.value_ptr(), self.value_size());
1.190 misha 1082: r.write_assign_lang(*new String(encoded, String::L_TAINTED/*once ?param=base64(something) was needed**/));
1.180 misha 1083: }
1.151 misha 1084: } else {
1.180 misha 1085: // encode: ^file:base64[filespec]
1.152 misha 1086: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.151 misha 1087: const char* encoded=pa_base64_encode(r.absolute(file_spec));
1.190 misha 1088: r.write_assign_lang(*new String(encoded, String::L_TAINTED/*once ?param=base64(something) was needed*/));
1.151 misha 1089: }
1.139 paf 1090: }
1.140 paf 1091:
1.146 misha 1092: static void _crc32(Request& r, MethodParams& params) {
1093: unsigned long crc32 = 0;
1094: if(&r.get_self() == file_class) {
1095: // ^file:crc32[file-name]
1096: if(params.count()) {
1.152 misha 1097: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.146 misha 1098: crc32=pa_crc32(r.absolute(file_spec));
1099: } else {
1.215 misha 1100: throw Exception(PARSER_RUNTIME, 0, FILE_NAME_MUST_BE_SPECIFIED);
1.146 misha 1101: }
1102: } else {
1103: // ^file.crc32[]
1104: VFile& self=GET_SELF(r, VFile);
1105: crc32=pa_crc32(self.value_ptr(), self.value_size());
1106: }
1107: r.write_no_lang(*new VInt(crc32));
1108: }
1109:
1110:
1.243 ! moko 1111: static void file_md5_file_action(struct stat& finfo, int f, const String&, void *context)
1.147 misha 1112: {
1113: PA_MD5_CTX& md5context=*static_cast<PA_MD5_CTX *>(context);
1114: if(finfo.st_size) {
1.148 misha 1115: int nCount=0;
1.147 misha 1116: do {
1117: unsigned char buffer[FILE_BUFFER_SIZE];
1.150 misha 1118: nCount = file_block_read(f, buffer, sizeof(buffer));
1.147 misha 1119: if ( nCount ){
1120: pa_MD5Update(&md5context, (const unsigned char*)buffer, nCount);
1121: }
1.148 misha 1122: } while(nCount > 0);
1.147 misha 1123: }
1124: }
1125:
1126: const char* pa_md5(const String& file_spec)
1127: {
1128: PA_MD5_CTX context;
1129: unsigned char digest[16];
1130: pa_MD5Init(&context);
1131: file_read_action_under_lock(file_spec, "md5", file_md5_file_action, &context);
1132: pa_MD5Final(digest, &context);
1133:
1134: return hex_string(digest, sizeof(digest), false);
1135: }
1136:
1137: const char* pa_md5(const char *in, size_t in_size)
1138: {
1139: PA_MD5_CTX context;
1140: unsigned char digest[16];
1141: pa_MD5Init(&context);
1142: pa_MD5Update(&context, (const unsigned char*)in, in_size);
1143: pa_MD5Final(digest, &context);
1144:
1145: return hex_string(digest, sizeof(digest), false);
1146: }
1147:
1148: static void _md5(Request& r, MethodParams& params) {
1149: const char* md5;
1150: if(&r.get_self() == file_class) {
1151: // ^file:md5[file-name]
1152: if(params.count()) {
1.152 misha 1153: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.147 misha 1154: md5=pa_md5(r.absolute(file_spec));
1155: } else {
1.215 misha 1156: throw Exception(PARSER_RUNTIME, 0, FILE_NAME_MUST_BE_SPECIFIED);
1.147 misha 1157: }
1158: } else {
1159: // ^file.md5[]
1160: VFile& self=GET_SELF(r, VFile);
1161: md5=pa_md5(self.value_ptr(), self.value_size());
1162:
1163: }
1164: r.write_no_lang(*new String(md5));
1165: }
1166:
1.32 paf 1167: // constructor
1168:
1.111 paf 1169: MFile::MFile(): Methoded("file") {
1.215 misha 1170: // ^file::create[text|binary;file-name;string-or-file[;options hash]]
1171: // ^file::create[string-or-file[;options hash]]
1172: add_native_method("create", Method::CT_DYNAMIC, _create, 1, 4);
1.138 paf 1173:
1.146 misha 1174: // ^file.save[mode;file-name]
1.201 misha 1175: // ^file.save[mode;file-name;$.charset[...]]
1176: add_native_method("save", Method::CT_DYNAMIC, _save, 2, 3);
1.7 paf 1177:
1.146 misha 1178: // ^file:delete[file-name]
1.225 misha 1179: // ^file:delete[file-name;$.keep-empty-dir(true)$.exception(false)]
1.224 misha 1180: add_native_method("delete", Method::CT_STATIC, _delete, 1, 2);
1.45 parser 1181:
1.146 misha 1182: // ^file:move[from-file-name;to-file-name]
1.224 misha 1183: // ^file:move[from-file-name;to-file-name;$.keep-empty-dir(true)]
1184: add_native_method("move", Method::CT_STATIC, _move, 2, 3);
1.8 paf 1185:
1.146 misha 1186: // ^file::load[mode;disk-name]
1187: // ^file::load[mode;disk-name;user-name]
1.201 misha 1188: // ^file::load[mode;disk-name;user-name;options hash]
1189: // ^file::load[mode;disk-name;options hash]
1.180 misha 1190: add_native_method("load", Method::CT_DYNAMIC, _load, 2, 4);
1.25 paf 1191:
1.146 misha 1192: // ^file::stat[disk-name]
1.32 paf 1193: add_native_method("stat", Method::CT_DYNAMIC, _stat, 1, 1);
1.21 paf 1194:
1.162 misha 1195: // ^file::cgi[mode;file-name]
1196: // ^file::cgi[mode;file-name;env hash]
1197: // ^file::cgi[mode;file-name;env hash;1cmd;2line;3ar;4g;5s]
1198: add_native_method("cgi", Method::CT_DYNAMIC, _cgi, 1, 3+50);
1199:
1200: // ^file::exec[mode;file-name]
1201: // ^file::exec[mode;file-name;env hash]
1202: // ^file::exec[mode;file-name;env hash;1cmd;2line;3ar;4g;5s]
1203: add_native_method("exec", Method::CT_DYNAMIC, _exec, 1, 3+50);
1.47 parser 1204:
1205: // ^file:list[path]
1206: // ^file:list[path][regexp]
1.228 moko 1207: // ^file:list[path][$.filter[regexp] $.stat(true)]
1.47 parser 1208: add_native_method("list", Method::CT_STATIC, _list, 1, 2);
1.69 paf 1209:
1210: // ^file:lock[path]{code}
1211: add_native_method("lock", Method::CT_STATIC, _lock, 2, 2);
1.90 paf 1212:
1.146 misha 1213: // ^file:find[file-name]
1214: // ^file:find[file-name]{when-not-found}
1.90 paf 1215: add_native_method("find", Method::CT_STATIC, _find, 1, 2);
1.47 parser 1216:
1.201 misha 1217: // ^file:dirname[/a/some.tar.gz]=/a
1.89 paf 1218: // ^file:dirname[/a/b/]=/a
1219: add_native_method("dirname", Method::CT_STATIC, _dirname, 1, 1);
1.201 misha 1220: // ^file:basename[/a/some.tar.gz]=some.tar.gz
1221: add_native_method("basename", Method::CT_STATIC, _basename, 1, 1);
1222: // ^file:justname[/a/some.tar.gz]=some.tar
1.89 paf 1223: add_native_method("justname", Method::CT_STATIC, _justname, 1, 1);
1.201 misha 1224: // ^file:justext[/a/some.tar.gz]=gz
1.89 paf 1225: add_native_method("justext", Method::CT_STATIC, _justext, 1, 1);
1.201 misha 1226: // /some/page.html: ^file:fullpath[a.gif] => /some/a.gif
1.102 paf 1227: add_native_method("fullpath", Method::CT_STATIC, _fullpath, 1, 1);
1.121 paf 1228:
1.201 misha 1229: // ^file.sql-string[]
1.121 paf 1230: add_native_method("sql-string", Method::CT_DYNAMIC, _sql_string, 0, 0);
1.122 paf 1231:
1.209 misha 1232: // ^file::sql{}
1.201 misha 1233: // ^file::sql{}[options hash]
1.122 paf 1234: add_native_method("sql", Method::CT_DYNAMIC, _sql, 1, 2);
1.139 paf 1235:
1.209 misha 1236: // encode:
1237: // ^file.base64[]
1238: // ^file:base64[file-name]
1239: // decode:
1240: // ^file::base64[encoded] // backward
1241: // ^file::base64[mode;user-file-name;encoded]
1242: // ^file::base64[mode;user-file-name;encoded;$.content-type[...]]
1243: add_native_method("base64", Method::CT_ANY, _base64, 0, 4);
1.146 misha 1244:
1245: // ^file.crc32[]
1246: // ^file:crc32[file-name]
1247: add_native_method("crc32", Method::CT_ANY, _crc32, 0, 1);
1.147 misha 1248:
1249: // ^file.md5[]
1250: // ^file:md5[file-name]
1251: add_native_method("md5", Method::CT_ANY, _md5, 0, 1);
1252:
1.148 misha 1253: // ^file:copy[from-file-name;to-file-name]
1254: add_native_method("copy", Method::CT_STATIC, _copy, 2, 2);
1.1 paf 1255: }
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