Annotation of parser3/src/classes/file.C, revision 1.308
1.17 paf 1: /** @file
2: Parser: @b file parser class.
3:
1.299 moko 4: Copyright (c) 2001-2026 Art. Lebedev Studio (https://www.artlebedev.com)
1.276 moko 5: Authors: Konstantin Morshnev <moko@design.ru>, Alexandr Petrosian <paf@design.ru>
1.91 paf 6: */
1.17 paf 7:
1.35 paf 8: #include "classes.h"
1.111 paf 9: #include "pa_vmethod_frame.h"
1.266 moko 10: #include "pa_base64.h"
1.111 paf 11:
1.1 paf 12: #include "pa_request.h"
13: #include "pa_vfile.h"
1.11 paf 14: #include "pa_table.h"
1.21 paf 15: #include "pa_vint.h"
1.24 paf 16: #include "pa_exec.h"
1.40 parser 17: #include "pa_vdate.h"
1.47 parser 18: #include "pa_dir.h"
19: #include "pa_vtable.h"
1.283 moko 20: #include "pa_varray.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:
1.308 ! moko 28: volatile const char * IDENT_FILE_C="$Id: file.C,v 1.307 2026/10/07 19:37:27 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"
1.297 moko 36: #define MODE_APPEND "append"
1.224 misha 37: #define KEEP_EMPTY_DIRS_NAME "keep-empty-dirs"
1.225 misha 38: #define SUPPRESS_EXCEPTION_NAME "exception"
1.131 paf 39:
1.132 paf 40: // externs
41:
42: extern String sql_limit_name;
43: extern String sql_offset_name;
44:
1.227 moko 45: // helpers
46:
47: class File_list_table_template_columns: public ArrayString {
48: public:
49: File_list_table_template_columns() {
50: *this+=new String("name");
51: *this+=new String("dir");
52: *this+=new String("size");
53: *this+=new String("cdate");
54: *this+=new String("mdate");
55: *this+=new String("adate");
56: }
57: };
58:
1.287 moko 59: static Table &file_list_table_template(){
60: static Table *singleton=NULL;
1.289 moko 61: if(!singleton)
1.287 moko 62: singleton=new Table(new File_list_table_template_columns);
63: return *singleton;
64: }
1.227 moko 65:
1.111 paf 66: // class
67:
68: class MFile: public Methoded {
69: public: // VStateless_class
1.199 misha 70: Value* create_new_value(Pool&) { return new VFile(); }
1.111 paf 71: public:
72: MFile();
73: };
74:
75: // global variable
76:
1.242 moko 77: DECLARE_CLASS_VAR(file, new MFile);
1.111 paf 78:
1.83 paf 79: // consts
80:
81: /// from apache-1.3|src|support|suexec.c
1.111 paf 82: static const char* suexec_safe_env_lst[]={
1.83 paf 83: "AUTH_TYPE",
84: "CONTENT_LENGTH",
85: "CONTENT_TYPE",
86: "DATE_GMT",
87: "DATE_LOCAL",
88: "DOCUMENT_NAME",
89: "DOCUMENT_PATH_INFO",
90: "DOCUMENT_ROOT",
91: "DOCUMENT_URI",
92: "FILEPATH_INFO",
93: "GATEWAY_INTERFACE",
94: "LAST_MODIFIED",
95: "PATH_INFO",
96: "PATH_TRANSLATED",
97: "QUERY_STRING",
98: "QUERY_STRING_UNESCAPED",
99: "REMOTE_ADDR",
100: "REMOTE_HOST",
101: "REMOTE_IDENT",
102: "REMOTE_PORT",
103: "REMOTE_USER",
104: "REDIRECT_QUERY_STRING",
105: "REDIRECT_STATUS",
106: "REDIRECT_URL",
107: "REQUEST_METHOD",
108: "REQUEST_URI",
109: "SCRIPT_FILENAME",
110: "SCRIPT_NAME",
111: "SCRIPT_URI",
112: "SCRIPT_URL",
113: "SERVER_ADMIN",
114: "SERVER_NAME",
115: "SERVER_ADDR",
116: "SERVER_PORT",
117: "SERVER_PROTOCOL",
118: "SERVER_SOFTWARE",
119: "UNIQUE_ID",
120: "USER_NAME",
121: "TZ",
122: NULL
123: };
124:
1.111 paf 125: // statics
1.33 paf 126:
1.258 moko 127: static const String::Body size_name("size");
1.112 paf 128: static const String::Body adate_name("adate");
129: static const String::Body mdate_name("mdate");
130: static const String::Body cdate_name("cdate");
1.32 paf 131:
1.1 paf 132: // methods
133:
1.111 paf 134: static void _save(Request& r, MethodParams& params) {
1.297 moko 135: bool do_append=false;
1.293 moko 136: bool is_text=VFile::is_text_mode(params.as_string(0, MODE_MUST_BE_STRING));
1.291 moko 137: const String& file_name=params.as_file_name(1);
1.4 paf 138:
1.201 misha 139: Charset* asked_charset=0;
140: if(params.count()>2)
1.214 misha 141: if(HashStringValue* options=params.as_hash(2)){
1.202 misha 142: int valid_options=0;
1.201 misha 143: if(Value* vcharset_name=options->get(PA_CHARSET_NAME)){
1.251 moko 144: asked_charset=&pa_charsets.get(vcharset_name->as_string());
1.201 misha 145: valid_options++;
146: }
1.297 moko 147: if(Value* vappend=options->get(MODE_APPEND)){
148: do_append=vappend->as_bool();
149: valid_options++;
150: }
1.201 misha 151: if(valid_options != options->count())
1.207 misha 152: throw Exception(PARSER_RUNTIME, 0, CALLED_WITH_INVALID_OPTION);
1.201 misha 153: }
154:
1.7 paf 155: // save
1.297 moko 156: GET_SELF(r, VFile).save(r.charsets, r.full_disk_path(file_name), is_text, do_append, asked_charset);
1.7 paf 157: }
158:
1.111 paf 159: static void _delete(Request& r, MethodParams& params) {
1.291 moko 160: const String& file_name=params.as_file_name(0);
1.224 misha 161: bool keep_empty_dirs=false;
1.225 misha 162: bool fail_on_problem=true;
1.224 misha 163:
164: if(params.count()>1)
165: if(HashStringValue* options=params.as_hash(1)){
166: int valid_options=0;
167: if(Value* vkeep_empty_dirs=options->get(KEEP_EMPTY_DIRS_NAME)){
1.252 moko 168: keep_empty_dirs=r.process(*vkeep_empty_dirs).as_bool();
1.224 misha 169: valid_options++;
170: }
1.225 misha 171: if(Value* vsuppress_exception=options->get(SUPPRESS_EXCEPTION_NAME)){
1.252 moko 172: fail_on_problem=r.process(*vsuppress_exception).as_bool();
1.225 misha 173: valid_options++;
174: }
1.224 misha 175: if(valid_options != options->count())
176: throw Exception(PARSER_RUNTIME, 0, CALLED_WITH_INVALID_OPTION);
177: }
1.7 paf 178:
179: // unlink
1.300 moko 180: const String* path=fail_on_problem ? &r.full_disk_path(file_name) : r.real_disk_path(file_name);
181: if(path)
182: file_delete(*path, fail_on_problem, keep_empty_dirs);
1.1 paf 183: }
184:
1.308 ! moko 185: static void _rmdir(Request& r, MethodParams& params) {
! 186: const String& dir_name=params.as_file_name(0);
! 187: bool fail_on_problem=true;
! 188:
! 189: if(params.count()>1)
! 190: if(HashStringValue* options=params.as_hash(1)){
! 191: int valid_options=0;
! 192: if(Value* vsuppress_exception=options->get(SUPPRESS_EXCEPTION_NAME)){
! 193: fail_on_problem=r.process(*vsuppress_exception).as_bool();
! 194: valid_options++;
! 195: }
! 196: if(valid_options != options->count())
! 197: throw Exception(PARSER_RUNTIME, 0, CALLED_WITH_INVALID_OPTION);
! 198: }
! 199:
! 200: const String* path=fail_on_problem ? &r.full_disk_path(dir_name) : r.real_disk_path(dir_name);
! 201: if(path)
! 202: dir_delete(*path, fail_on_problem);
! 203: }
! 204:
1.111 paf 205: static void _move(Request& r, MethodParams& params) {
206: Value& vfrom_file_name=params.as_no_junction(0, "from file name must not be code");
207: Value& vto_file_name=params.as_no_junction(1, "to file name must not be code");
1.224 misha 208: bool keep_empty_dirs=false;
209:
210: if(params.count()>2)
211: if(HashStringValue* options=params.as_hash(2)){
212: int valid_options=0;
213: if(Value* vkeep_empty_dirs=options->get(KEEP_EMPTY_DIRS_NAME)){
1.252 moko 214: keep_empty_dirs=r.process(*vkeep_empty_dirs).as_bool();
1.224 misha 215: valid_options++;
216: }
217: if(valid_options != options->count())
218: throw Exception(PARSER_RUNTIME, 0, CALLED_WITH_INVALID_OPTION);
219: }
1.45 parser 220:
1.51 parser 221: // move
1.68 paf 222: file_move(
1.273 moko 223: r.full_disk_path(vfrom_file_name.as_string()),
224: r.full_disk_path(vto_file_name.as_string()),
1.224 misha 225: keep_empty_dirs);
1.45 parser 226: }
227:
1.260 moko 228: static void copy_process_source(struct stat&, int from_file, const String&, void *context) {
1.148 misha 229: int& to_file=*static_cast<int *>(context);
230:
231: int nCount=0;
232: do {
233: unsigned char buffer[FILE_BUFFER_SIZE];
1.150 misha 234: nCount = file_block_read(from_file, buffer, sizeof(buffer));
1.148 misha 235: int written=write(to_file, buffer, nCount);
236: if( written < 0 )
1.295 moko 237: throw Exception("file.write", 0, "write failed: %s (%d)", strerror(errno), errno);
1.148 misha 238:
239: } while(nCount > 0);
240: }
241:
242: static void copy_open_target(int f, void *from_spec) {
243: String& file_spec=*static_cast<String *>(from_spec);
244: file_read_action_under_lock(file_spec, "copy", copy_process_source, &f);
1.235 moko 245: }
1.148 misha 246:
247: static void _copy(Request& r, MethodParams& params) {
248: Value& vfrom_file_name=params.as_no_junction(0, "from file name must not be code");
249: Value& vto_file_name=params.as_no_junction(1, "to file name must not be code");
250:
1.264 moko 251: bool append=false;
252: if(params.count()>2)
253: if(HashStringValue* options=params.as_hash(2)){
254: int valid_options=0;
1.297 moko 255: if(Value* vappend=options->get(MODE_APPEND)){
1.264 moko 256: append=r.process(*vappend).as_bool();
257: valid_options++;
258: }
259: if(valid_options != options->count())
260: throw Exception(PARSER_RUNTIME, 0, CALLED_WITH_INVALID_OPTION);
261: }
262:
1.273 moko 263: String from_spec = r.full_disk_path(vfrom_file_name.as_string());
264: const String& to_spec = r.full_disk_path(vto_file_name.as_string());
1.148 misha 265:
266: file_write_action_under_lock(
267: to_spec,
268: "copy",
269: copy_open_target,
1.264 moko 270: &from_spec,
271: false /*as text*/,
272: append);
1.148 misha 273: }
274:
1.111 paf 275: static void _load_pass_param(
1.180 misha 276: HashStringValue::key_type key,
277: HashStringValue::value_type value,
278: HashStringValue *dest) {
1.111 paf 279: dest->put(key, value);
280: }
1.180 misha 281:
1.111 paf 282: static void _load(Request& r, MethodParams& params) {
1.293 moko 283: bool as_text=VFile::is_text_mode(params.as_string(0, MODE_MUST_BE_STRING));
1.300 moko 284: const String& lfile_name=r.full_disk_path(params.as_file_name(1), PA_ALLOW_HTTP);
1.9 paf 285:
1.180 misha 286: size_t param_index=params.count()-1;
1.215 misha 287: Value* param_value=param_index>1?¶ms.as_no_junction(param_index, "file name or options must not be code"):0;
1.180 misha 288:
1.183 misha 289: HashStringValue* options=0;
1.215 misha 290: const String* user_file_name=0;
1.183 misha 291:
292: if(param_value){
293: options=param_value->get_hash();
294: if(options || param_index>2)
295: param_index--;
296: if(param_index>1){
297: const String& luser_file_name=params.as_string(param_index, FILE_NAME_MUST_BE_STRING);
298: if(!luser_file_name.is_empty())
1.215 misha 299: user_file_name=&luser_file_name;
1.183 misha 300: }
301: }
302: if(!user_file_name)
1.215 misha 303: user_file_name=&lfile_name;
1.180 misha 304:
1.271 moko 305: File_read_result file=file_load(r, lfile_name, as_text, options, true);
1.9 paf 306:
1.111 paf 307: Value* vcontent_type=0;
1.168 misha 308: if(file.headers){
1.181 misha 309: if(Value* remote_content_type=file.headers->get(HTTP_CONTENT_TYPE_UPPER))
1.129 paf 310: vcontent_type=new VString(*new String(remote_content_type->as_string().cstr()));
311: }
1.221 misha 312:
1.111 paf 313: VFile& self=GET_SELF(r, VFile);
1.221 misha 314: self.set(true/*tainted*/, as_text, file.str, file.length, user_file_name, vcontent_type, &r);
1.194 misha 315:
1.168 misha 316: if(file.headers){
1.143 paf 317: file.headers->for_each<HashStringValue*>(_load_pass_param, &self.fields());
1.168 misha 318: } else {
1.258 moko 319: uint64_t size;
1.168 misha 320: time_t atime, mtime, ctime;
321:
1.169 misha 322: file_stat(lfile_name, size, atime, mtime, ctime);
1.168 misha 323:
324: HashStringValue& ff=self.fields();
1.237 moko 325: ff.put(adate_name, new VDate((pa_time_t)atime));
326: ff.put(mdate_name, new VDate((pa_time_t)mtime));
327: ff.put(cdate_name, new VDate((pa_time_t)ctime));
1.168 misha 328: }
1.9 paf 329: }
330:
1.138 paf 331: static void _create(Request& r, MethodParams& params) {
1.215 misha 332: const String* mode=0;
333: const String* file_name=0;
334: bool is_text=true;
335:
336: // new format: ^file::create[string-or-file-content[;$.mode[text|binary] $.name[...] $.content-type[...] $.charset[...] ]]
337: size_t content_index=0;
338: size_t options_index=1;
339: bool extended_options=true;
340:
341: if(params.count()>=3){
342: // old format: ^file::create[text|binary;file-name;string-or-file-content[;options]]
1.293 moko 343: mode=¶ms.as_string(0, MODE_MUST_BE_STRING);
1.215 misha 344: is_text=VFile::is_text_mode(*mode);
1.290 moko 345: file_name=¶ms.as_string(1, FILE_NAME_MUST_BE_STRING);
1.215 misha 346: content_index=2;
347: options_index=3;
348: extended_options=false;
349: }
1.203 misha 350:
1.211 misha 351: VString* vcontent_type=0;
1.245 moko 352: Charset* to_charset=0;
353: Charset* from_charset=0;
1.215 misha 354: if(params.count()>options_index)
355: if(HashStringValue* options=params.as_hash(options_index)) {
1.203 misha 356: int valid_options=0;
1.215 misha 357: if(extended_options) {
358: if(Value* vmode=options->get(MODE_NAME)) {
359: mode=&vmode->as_string();
360: is_text=VFile::is_text_mode(*mode);
361: valid_options++;
362: }
363: if(Value* vfile_name=options->get(NAME_NAME)) {
364: file_name=&vfile_name->as_string();
365: valid_options++;
366: }
367: }
1.245 moko 368: if(Value* vcharset_name=options->get("to-charset")) {
1.251 moko 369: to_charset=&pa_charsets.get(vcharset_name->as_string());
1.245 moko 370: valid_options++;
371: }
372: if(Value* vcharset_name=options->get("from-charset")) {
1.251 moko 373: from_charset=&pa_charsets.get(vcharset_name->as_string());
1.245 moko 374: valid_options++;
375: }
1.215 misha 376: if(Value* vcharset_name=options->get(PA_CHARSET_NAME)) {
1.245 moko 377: if(to_charset)
1.281 moko 378: throw Exception(PARSER_RUNTIME, 0, "'charset' option cannot be used together with 'to-charset' option");
1.251 moko 379: to_charset=&pa_charsets.get(vcharset_name->as_string());
1.203 misha 380: valid_options++;
381: }
1.211 misha 382: if(Value* value=options->get(CONTENT_TYPE_NAME)) {
383: vcontent_type=new VString(value->as_string());
384: valid_options++;
385: }
1.203 misha 386: if(valid_options != options->count())
1.207 misha 387: throw Exception(PARSER_RUNTIME, 0, CALLED_WITH_INVALID_OPTION);
1.215 misha 388: }
1.211 misha 389:
1.215 misha 390: Value& vcontent=params.as_no_junction(content_index, "content must be string or file");
1.203 misha 391:
1.138 paf 392: VFile& self=GET_SELF(r, VFile);
1.194 misha 393:
1.215 misha 394: if(const String* content_str=vcontent.get_string()){
1.229 moko 395: String::Body body=content_str->cstr_to_string_body_untaint(String::L_AS_IS, r.connection(false), &r.charsets); // explode content, honor tainting changes
1.222 moko 396: self.set(true/*tainted*/, is_text, body.cstrm(), body.length(), file_name, vcontent_type, &r);
1.215 misha 397: } else {
1.275 moko 398: VFile& fcontent=*vcontent.as_vfile(); // can't be null
1.248 moko 399: if(mode){
400: self.set(fcontent, &is_text, file_name, vcontent_type, &r);
401: if(is_text && !fcontent.is_text_mode())
402: from_charset=self.detect_binary_charset(from_charset);
403: } else {
404: self.set(fcontent, 0, file_name, vcontent_type, &r);
405: is_text=fcontent.is_text_mode();
406: }
1.215 misha 407: }
408:
1.245 moko 409: if(to_charset || from_charset)
410: if(is_text)
411: self.transcode(from_charset ? *from_charset : r.charsets.source(), to_charset ? *to_charset : r.charsets.source());
412: else
1.281 moko 413: throw Exception(PARSER_RUNTIME, 0, "charset options cannot be used with binary content");
1.138 paf 414: }
415:
1.111 paf 416: static void _stat(Request& r, MethodParams& params) {
1.291 moko 417: const String& lfile_name=params.as_file_name(0);
1.25 paf 418:
1.258 moko 419: uint64_t size;
1.40 parser 420: time_t atime, mtime, ctime;
1.273 moko 421: file_stat(r.full_disk_path(lfile_name), size, atime, mtime, ctime);
1.25 paf 422:
1.111 paf 423: VFile& self=GET_SELF(r, VFile);
1.167 misha 424:
1.258 moko 425: self.set_binary(true/*tainted*/, 0 /*no bytes*/, 0 /*fake size*/, &lfile_name, 0, &r);
1.111 paf 426: HashStringValue& ff=self.fields();
1.259 moko 427: ff.put(size_name, new VDouble((double)size) /*real size*/);
1.237 moko 428: ff.put(adate_name, new VDate((pa_time_t)atime));
429: ff.put(mdate_name, new VDate((pa_time_t)mtime));
430: ff.put(cdate_name, new VDate((pa_time_t)ctime));
1.25 paf 431: }
432:
1.111 paf 433: static bool is_safe_env_key(const char* key) {
434: for(const char* validator=key; *validator; validator++) {
435: char c=*validator;
1.234 moko 436: if(!( (c>='A' && c<='Z') || (c>='0' && c<='9') || (c=='_' || c=='-') ))
1.111 paf 437: return false;
438: }
1.205 pretende 439: #ifdef PA_SAFE_MODE
1.88 paf 440: if(strncasecmp(key, "HTTP_", 5)==0)
1.83 paf 441: return true;
1.87 paf 442: if(strncasecmp(key, "CGI_", 4)==0)
1.83 paf 443: return true;
444: for(int i=0; suexec_safe_env_lst[i]; i++) {
1.87 paf 445: if(strcasecmp(key, suexec_safe_env_lst[i])==0)
1.83 paf 446: return true;
447: }
448: return false;
1.205 pretende 449: #else
450: return true;
451: #endif
1.83 paf 452: }
1.90 paf 453: #ifndef DOXYGEN
454: struct Append_env_pair_info {
1.141 paf 455: Request_charsets* charsets;
1.111 paf 456: HashStringString* env;
1.100 paf 457: Value* vstdin;
1.90 paf 458: };
459: #endif
1.111 paf 460: static void append_env_pair(
1.180 misha 461: HashStringValue::key_type akey,
462: HashStringValue::value_type avalue,
463: Append_env_pair_info *info) {
1.111 paf 464: if(akey==STDIN_EXEC_PARAM_NAME) {
465: info->vstdin=avalue;
466: } else if(akey==CHARSET_EXEC_PARAM_NAME) {
1.141 paf 467: // ignore, already processed
1.90 paf 468: } else {
1.111 paf 469: if(!is_safe_env_key(akey.cstr()))
1.156 misha 470: throw Exception(PARSER_RUNTIME,
1.111 paf 471: new String(akey, String::L_TAINTED),
1.90 paf 472: "not safe environment variable");
1.196 misha 473: info->env->put(akey, avalue->as_string().cstr_to_string_body_untaint(String::L_AS_IS, 0, info->charsets));
1.90 paf 474: }
1.22 paf 475: }
1.94 paf 476: #ifndef DOXYGEN
477: struct Pass_cgi_header_attribute_info {
1.111 paf 478: Charset* charset;
479: HashStringValue* fields;
480: Value* content_type;
1.94 paf 481: };
482: #endif
1.111 paf 483: static void pass_cgi_header_attribute(
1.180 misha 484: ArrayString::element_type astring,
485: Pass_cgi_header_attribute_info* info) {
1.111 paf 486: size_t colon_pos=astring->pos(':');
1.130 paf 487: if(colon_pos!=STRING_NOT_FOUND) {
1.111 paf 488: const String& key=astring->mid(0, colon_pos).change_case(
489: *info->charset, String::CC_UPPER);
1.130 paf 490: Value* value=new VString(astring->mid(colon_pos+1, astring->length()).trim());
1.111 paf 491: info->fields->put(key, value);
1.181 misha 492: if(key==HTTP_CONTENT_TYPE_UPPER)
1.111 paf 493: info->content_type=value;
1.94 paf 494: }
1.29 paf 495: }
1.155 misha 496:
497: static void append_to_argv(Request& r, ArrayString& argv, const String* str){
1.283 moko 498: 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 499: }
500:
1.90 paf 501: /// @todo fix `` in perl - they produced flipping consoles and no output to perl
1.194 misha 502: static void _exec_cgi(Request& r, MethodParams& params, bool cgi) {
1.215 misha 503: bool is_text=true;
1.194 misha 504: size_t param_index=0;
1.294 moko 505: const String& mode=params.as_string(0, "mode must be string");
1.215 misha 506: if(VFile::is_valid_mode(mode)) {
507: is_text=VFile::is_text_mode(mode);
1.194 misha 508: param_index++;
1.162 misha 509: }
510:
511: if(param_index>=params.count())
1.215 misha 512: throw Exception(PARSER_RUNTIME, 0, FILE_NAME_MUST_BE_SPECIFIED);
1.162 misha 513:
1.291 moko 514: const String& script_name=r.full_disk_path(params.as_file_name(param_index++));
1.23 paf 515:
1.111 paf 516: HashStringString env;
1.296 moko 517: #define ECSTR(name, value_cstr) if(value_cstr) env.put(#name, String::Body(value_cstr));
1.233 moko 518: // passing environment
519: for(SAPI::Env::Iterator i(r.sapi_info); i; i.next() )
1.296 moko 520: env.put(i.key(), String::Body(i.value()) );
1.82 paf 521:
1.23 paf 522: // const
1.63 paf 523: ECSTR(GATEWAY_INTERFACE, "CGI/1.1");
1.307 moko 524: ECSTR(PARSER_VERSION, PARSER_VERSION_WITH_FEATURES);
1.23 paf 525: // from Request.info
1.111 paf 526: ECSTR(DOCUMENT_ROOT, r.request_info.document_root);
527: ECSTR(PATH_TRANSLATED, r.request_info.path_translated);
528: ECSTR(REQUEST_METHOD, r.request_info.method);
529: ECSTR(QUERY_STRING, r.request_info.query_string);
530: ECSTR(REQUEST_URI, r.request_info.uri);
531: ECSTR(CONTENT_TYPE, r.request_info.content_type);
1.282 moko 532: ECSTR(CONTENT_LENGTH, pa_uitoa(r.request_info.content_length));
1.82 paf 533: // SCRIPT_*
1.240 moko 534: env.put("SCRIPT_NAME", script_name);
1.23 paf 535:
1.90 paf 536: // environment & stdin from param
1.256 moko 537: bool in_is_text_mode=true;
538: String::C in;
1.109 paf 539: Charset *charset=0; // default script works raw_in 'source' charset = no transcoding needed
1.162 misha 540: if(param_index < params.count()) {
1.220 misha 541: if(HashStringValue* user_env=params.as_hash(param_index++, "env")) {
1.141 paf 542: // $.charset [previewing to handle URI pieces]
543: if(Value* vcharset=user_env->get(CHARSET_EXEC_PARAM_NAME))
1.251 moko 544: charset=&pa_charsets.get(vcharset->as_string());
1.141 paf 545:
546: // $.others
547: Append_env_pair_info info={&r.charsets, &env, 0};
548: {
1.144 paf 549: // influence tainting
550: // main target -- $.QUERY_STRING -- URLencoding of tainted pieces to String::L_URI lang
1.141 paf 551: Temp_client_charset temp(r.charsets, charset? *charset: r.charsets.source());
1.143 paf 552: user_env->for_each<Append_env_pair_info*>(append_env_pair, &info);
1.141 paf 553: }
1.109 paf 554: // $.stdin
1.103 paf 555: if(info.vstdin) {
1.111 paf 556: if(const String* sstdin=info.vstdin->get_string()) {
1.213 moko 557: // untaint stdin
1.256 moko 558: in = String::C(sstdin->cstr_to_string_body_untaint(String::L_AS_IS, r.connection(false), &r.charsets));
1.103 paf 559: } else
1.279 moko 560: if(VFile* vfile=dynamic_cast<VFile *>(info.vstdin)){
1.256 moko 561: in = String::C((const char* )vfile->value_ptr(), vfile->value_size());
562: in_is_text_mode = vfile->is_text_mode();
563: } else
564: throw Exception(PARSER_RUNTIME, 0, STDIN_EXEC_PARAM_NAME " parameter must be string or file");
1.103 paf 565: }
1.90 paf 566: }
1.21 paf 567: }
568:
1.90 paf 569: // argv from params
1.111 paf 570: ArrayString argv;
1.162 misha 571: if(param_index < params.count()) {
1.180 misha 572: // influence tainting
573: Temp_client_charset temp(r.charsets, charset? *charset: r.charsets.source());
1.154 misha 574:
1.162 misha 575: for(size_t i=param_index; i<params.count(); i++) {
1.161 misha 576: Value& param=params.as_no_junction(i, PARAM_MUST_NOT_BE_CODE);
1.283 moko 577: if(const String *string=param.get_string()){
578: append_to_argv(r, argv, string);
579: } else if(Table* table=param.get_table()){
580: for(size_t j=0; j<table->count(); j++)
581: append_to_argv(r, argv, table->get(j)->get(0));
582: } else if(VArray* array=dynamic_cast<VArray*>(¶m)){
583: for(ArrayValue::Iterator i(array->array()); i; i.next()){
584: if(i.value()){
585: const String *string=i.value()->get_string();
586: if(!string)
1.284 moko 587: i.value()->bark("array element is '%s', it does not have string value");
1.283 moko 588: append_to_argv(r, argv, string);
1.154 misha 589: }
590: }
1.283 moko 591: } else {
592: throw Exception(PARSER_RUNTIME, 0, "param must be string or table or array of strings");
1.145 misha 593: }
1.144 paf 594: }
1.286 moko 595:
596: // remove trailing empty arguments for backward compatibility
597: for(ArrayString::ReverseIterator i(argv); i;){
598: if(i.prev()->is_empty()){ // here for correct i.index()
599: argv.remove(i.index());
600: } else {
601: break;
602: }
603: }
1.21 paf 604: }
1.90 paf 605:
1.109 paf 606: // transcode if necessary
607: if(charset) {
1.111 paf 608: Charset::transcode(env, r.charsets.source(), *charset);
609: Charset::transcode(argv, r.charsets.source(), *charset);
1.256 moko 610: if(in_is_text_mode)
611: in=Charset::transcode(in, r.charsets.source(), *charset);
1.111 paf 612: }
613: // @todo
614: // ifdef WIN32 do OEM->ANSI transcode on some(.cmd?) programs to
615: // match silent conversion in OS
616:
617: // exec!
1.256 moko 618: PA_exec_result execution=pa_exec(false/*forced_allow*/, script_name, &env, argv, in);
1.111 paf 619:
1.162 misha 620: File_read_result *file_out=&execution.out;
1.111 paf 621: String *real_err=&execution.err;
1.162 misha 622:
1.165 misha 623: // transcode err if necessary (@todo: need fix line breaks in err as well )
624: if(charset)
625: real_err=&Charset::transcode(*real_err, *charset, r.charsets.source());
626:
1.215 misha 627: if(file_out->length && is_text){
1.162 misha 628: fix_line_breaks(file_out->str, file_out->length);
629: // treat output as string
1.188 misha 630: String *real_out = new String(file_out->str);
1.162 misha 631:
1.165 misha 632: // transcode out if necessary
633: if(charset)
1.162 misha 634: real_out=&Charset::transcode(*real_out, *charset, r.charsets.source());
1.165 misha 635:
1.162 misha 636: // FIXME: unsafe cast
1.163 misha 637: file_out->str=const_cast<char *>(real_out->cstr()); // hacking a little
1.162 misha 638: file_out->length = real_out->length();
1.109 paf 639: }
640:
1.111 paf 641: VFile& self=GET_SELF(r, VFile);
1.109 paf 642:
1.162 misha 643: if(cgi) { // ^file::cgi
1.163 misha 644: const char* eol_marker=0;
645: size_t eol_marker_size;
646:
1.111 paf 647: // construct with 'out' body and header
1.165 misha 648: size_t dos_pos=(file_out->length)?strpos(file_out->str, "\r\n\r\n"):STRING_NOT_FOUND;
649: size_t unix_pos=(file_out->length)?strpos(file_out->str, "\n\n"):STRING_NOT_FOUND;
1.111 paf 650:
651: bool unix_header_break;
652: switch((dos_pos!=STRING_NOT_FOUND?10:00) + (unix_pos!=STRING_NOT_FOUND?01:00)) {
1.166 misha 653: case 10: // dos
654: unix_header_break=false;
655: break;
656: case 01: // unix
657: unix_header_break=true;
658: break;
659: case 11: // dos & unix
660: unix_header_break=unix_pos<dos_pos;
661: break;
662: default: // 00
663: unix_header_break=false; // calm down, compiler
1.179 misha 664: throw Exception("file.execute",
1.166 misha 665: 0,
666: "output does not contain CGI header; "
667: "exit status=%d; stdoutsize=%u; stdout: \"%s\"; stderrsize=%u; stderr: \"%s\"",
668: execution.status,
1.194 misha 669: file_out->length, (file_out->length) ? (file_out->str) : "",
670: real_err->length(), real_err->cstr());
1.166 misha 671: break; //never reached
1.111 paf 672: }
673:
1.165 misha 674: size_t header_break_pos;
1.111 paf 675: if(unix_header_break) {
676: header_break_pos=unix_pos;
1.165 misha 677: eol_marker="\n";
678: eol_marker_size=1;
1.111 paf 679: } else {
680: header_break_pos=dos_pos;
1.165 misha 681: eol_marker="\r\n";
682: eol_marker_size=2;
1.111 paf 683: }
1.21 paf 684:
1.162 misha 685: file_out->str[header_break_pos] = 0;
1.188 misha 686: String *header=new String(file_out->str);
1.162 misha 687: unsigned long headersize = header_break_pos+eol_marker_size*2;
688: file_out->str += headersize;
689: file_out->length -= headersize;
690:
1.164 misha 691: // $body
1.221 misha 692: self.set(false/*not tainted*/, is_text, file_out->str, file_out->length);
1.164 misha 693:
1.162 misha 694: // $fields << header
1.194 misha 695: if(header) {
1.162 misha 696: ArrayString rows;
1.249 moko 697: header->split(rows, 0, eol_marker);
1.162 misha 698: Pass_cgi_header_attribute_info info={0, 0, 0};
699: info.charset=&r.charsets.source();
700: info.fields=&self.fields();
701: rows.for_each(pass_cgi_header_attribute, &info);
702: if(info.content_type)
703: self.fields().put(content_type_name, info.content_type);
704: }
1.164 misha 705: } else { // ^file::exec
1.166 misha 706: // $body
1.257 moko 707: self.set(false/*not tainted*/, is_text, file_out->str ? file_out->str : pa_strdup("") /*to distinguish from stat-ed file*/, file_out->length);
1.164 misha 708: }
1.163 misha 709:
1.42 parser 710: // $status
1.111 paf 711: self.fields().put(file_status_name, new VInt(execution.status));
1.21 paf 712:
713: // $stderr
1.187 misha 714: if(!real_err->is_empty())
1.240 moko 715: self.fields().put("stderr", new VString(*real_err));
1.21 paf 716: }
1.111 paf 717: static void _exec(Request& r, MethodParams& params) {
718: _exec_cgi(r, params, false);
1.41 parser 719: }
1.111 paf 720: static void _cgi(Request& r, MethodParams& params) {
721: _exec_cgi(r, params, true);
1.41 parser 722: }
723:
1.111 paf 724: static void _list(Request& r, MethodParams& params) {
725: Value& relative_path=params.as_no_junction(0, "path must not be code");
1.47 parser 726:
1.227 moko 727: bool stat=false;
1.304 moko 728: bool fail_on_problem=false;
1.191 misha 729: VRegex* vregex=0;
1.184 misha 730: VRegexCleaner vrcleaner;
1.227 moko 731:
1.184 misha 732: if(params.count()>1){
1.227 moko 733: Value& voption=params.as_no_junction(1, "option must not be code");
734: if(voption.is_defined()) {
735: Value* vfilter=0;
736: if(HashStringValue* options=voption.get_hash()) {
737: int valid_options=0;
738: if(Value* vstat=options->get("stat")) {
1.252 moko 739: stat=r.process(*vstat).as_bool();
1.227 moko 740: valid_options++;
741: }
742: if(Value* value=options->get("filter")) {
743: vfilter=value;
1.230 moko 744: valid_options++;
1.227 moko 745: }
1.304 moko 746: if(Value* vexception=options->get(SUPPRESS_EXCEPTION_NAME)) {
747: fail_on_problem=r.process(*vexception).as_bool();
748: valid_options++;
749: }
1.227 moko 750: if(valid_options!=options->count())
751: throw Exception(PARSER_RUNTIME, 0, CALLED_WITH_INVALID_OPTION);
1.191 misha 752: } else {
1.227 moko 753: vfilter=&voption;
754: }
1.234 moko 755: if(vfilter) {
1.279 moko 756: if(VRegex* value=dynamic_cast<VRegex*>(vfilter)) {
757: vregex=value;
1.227 moko 758: } else if(vfilter->is_string()) {
759: if(!vfilter->get_string()->trim().is_empty()) {
760: vregex=new VRegex(r.charsets.source(), &vfilter->as_string(), 0/*options*/);
1.234 moko 761: vregex->study();
762: vrcleaner.vregex=vregex;
763: }
1.227 moko 764: } else {
765: throw Exception(PARSER_RUNTIME, 0, "filter must be regex or string");
766: }
1.234 moko 767: }
1.184 misha 768: }
1.114 paf 769: }
1.47 parser 770:
1.227 moko 771: Table::Action_options table_options;
1.287 moko 772: Table& table=*new Table(file_list_table_template(), table_options);
1.47 parser 773:
1.304 moko 774: // no exception for a uri or an invalid or tainted file://
775: const String* path=fail_on_problem ? &r.full_disk_path(relative_path.as_string()) : r.real_disk_path(relative_path.as_string());
776: if(!path) {
777: r.write(*new VTable(&table));
778: return;
779: }
780: const char* absolute_path_cstr=path->taint_cstr(String::L_FILE_SPEC);
781:
1.184 misha 782: const int ovector_size=(1/*match*/)*3;
783: int ovector[ovector_size];
784:
1.47 parser 785: LOAD_DIR(absolute_path_cstr,
1.261 moko 786: const char* file_name_cstr=ffblk.name();
1.111 paf 787: size_t file_name_size=strlen(file_name_cstr);
1.47 parser 788:
1.261 moko 789: if(!vregex || vregex->exec(file_name_cstr, file_name_size, ovector, ovector_size)>=0) {
1.111 paf 790: Table::element_type row(new ArrayString);
1.190 misha 791: *row+=new String(pa_strdup(file_name_cstr, file_name_size), String::L_TAINTED);
1.278 moko 792: *row+=new String(ffblk.is_dir(stat) ? "1" : "0", String::L_CLEAN);
1.227 moko 793: if(stat) {
794: *row+=VDouble(ffblk.size()).get_string();
1.278 moko 795: *row+=new String(pa_uitoa(ffblk.c_timestamp()), String::L_CLEAN);
796: *row+=new String(pa_uitoa(ffblk.m_timestamp()), String::L_CLEAN);
797: *row+=new String(pa_uitoa(ffblk.a_timestamp()), String::L_CLEAN);
1.227 moko 798: }
1.111 paf 799: table+=row;
1.47 parser 800: }
1.304 moko 801: ,
802: if(fail_on_problem)
803: throw Exception(errno==EACCES ? "file.access" : (errno==ENOENT || errno==ENOTDIR) ? "file.missing" : 0,
1.305 moko 804: path, "list failed: %s (%d)%s", strerror(errno), errno, actual_filename(*path, absolute_path_cstr));
1.47 parser 805: );
806:
1.60 parser 807: // write out result
1.255 moko 808: r.write(*new VTable(&table));
1.47 parser 809: }
1.21 paf 810:
1.69 paf 811: #ifndef DOXYGEN
812: struct Lock_execute_body_info {
1.111 paf 813: Request* r;
814: Value* body_code;
1.69 paf 815: };
816: #endif
1.235 moko 817:
1.111 paf 818: static void lock_execute_body(int , void *ainfo) {
819: Lock_execute_body_info& info=*static_cast<Lock_execute_body_info *>(ainfo);
1.69 paf 820: // execute body
1.255 moko 821: info.r->write(info.r->process(*info.body_code));
1.235 moko 822: }
823:
1.111 paf 824: static void _lock(Request& r, MethodParams& params) {
1.291 moko 825: const String& file_spec=r.full_disk_path(params.as_file_name(0));
1.116 paf 826: Lock_execute_body_info info={
827: &r,
1.117 paf 828: ¶ms.as_junction(1, "body must be code")
1.116 paf 829: };
1.69 paf 830:
1.158 misha 831: file_write_action_under_lock(
832: file_spec,
833: "lock",
834: lock_execute_body,
835: &info);
1.69 paf 836: }
837:
1.219 misha 838: static size_t afterlastslash(const String& str) {
839: size_t pos=str.strrpbrk("/\\");
840: return pos!=STRING_NOT_FOUND?pos+1:0;
841: }
842:
843: static size_t afterlastslash(const String& str, size_t right) {
844: size_t pos=str.strrpbrk("/\\", 0, right);
845: return pos!=STRING_NOT_FOUND?pos+1:0;
846: }
847:
1.300 moko 848: // absolute web path or null when outside of document_root
849: static const String* web_path(Request& r, const String& file_spec, bool fail_on_problem) {
1.301 moko 850: if(file_spec.first_char()=='/') // already absolute, just changing backslashes
851: return &backslashes_to_slashes(file_spec);
1.300 moko 852:
853: // /some/page.html: ^file:fullpath[a.gif] => /some/a.gif
854: const String* disk_path=fail_on_problem ? &r.full_disk_path(file_spec) : r.real_disk_path(file_spec);
855: if(!disk_path) // a uri or an invalid file:// one
856: return 0;
857:
1.301 moko 858: const char* document_root=r.request_info.document_root_path;
1.300 moko 859: size_t document_root_length=strlen(document_root);
860:
861: const String& result=disk_path->mid(document_root_length, disk_path->length());
862:
1.301 moko 863: // checking the result is inside document root;
864: // first checking the segment boundary: /root must not match /root-but-longer
1.303 moko 865: return result.first_char()=='/' && !path_cmp(disk_path->cstr(), document_root, document_root_length) ? &result : 0;
1.300 moko 866: }
867:
1.111 paf 868: static void _find(Request& r, MethodParams& params) {
1.290 moko 869: const String& file_name=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.219 misha 870:
1.215 misha 871: Value* not_found_code=(params.count()==2)?¶ms.as_junction(1, "not-found param must be code"):0;
872:
1.111 paf 873: const String* file_spec;
1.301 moko 874: if(path_scheme(file_name) || is_os_absolute_path(file_name))
1.300 moko 875: file_spec=web_path(r, file_name, false); // do not throw
1.301 moko 876: else {
877: const String& name=backslashes_to_slashes(file_name);
878: file_spec=name.first_char()=='/' ? &name : &r.relative(r.request_info.uri, name);
879: }
1.90 paf 880:
1.300 moko 881: if(file_spec) {
882: // easy way
883: if(file_exist(r.full_disk_path(*file_spec))) {
884: r.write(*file_spec);
885: return;
886: }
1.90 paf 887:
1.300 moko 888: // monkey way
1.301 moko 889: size_t last_slash=file_spec->strrchr('/');
1.300 moko 890: const String& dirname=file_spec->mid(0, last_slash!=STRING_NOT_FOUND?last_slash:0);
891: const String& basename=file_spec->mid(last_slash!=STRING_NOT_FOUND?last_slash+1:0, file_spec->length());
892:
893: size_t rpos=dirname.is_empty()?0:dirname.length()-1;
1.301 moko 894: while((rpos=dirname.rskipchars("/", 0, rpos))!=STRING_NOT_FOUND){
895: size_t slash=dirname.strrchr('/', rpos);
1.300 moko 896: if(slash==STRING_NOT_FOUND)
897: break;
898: String test_name;
899: test_name << dirname.mid(0, slash+1);
900: test_name << basename;
901: if(file_exist(r.full_disk_path(test_name))) {
902: r.write(test_name);
903: return;
904: }
905: rpos=slash;
1.90 paf 906: }
907: }
908:
909: // no way, not found
1.215 misha 910: if(not_found_code)
1.255 moko 911: r.write(r.process(*not_found_code));
1.90 paf 912: }
913:
1.111 paf 914: static void _dirname(Request& r, MethodParams& params) {
1.292 moko 915: const String& file_spec=params.as_file_spec(0);
1.219 misha 916: // works as *nix dirname
917:
918: // empty > .
919: // / > /
920: // /a > /
921: // /a/ > /
1.180 misha 922: // /a/some.tar.gz > /a
1.219 misha 923: // /a/b/ > /a
924: // /a///b/ > /a
925: // /a/b/// > /a
926: // file > .
927:
928: if(file_spec.is_empty()) {
1.255 moko 929: r.write(String("."));
1.219 misha 930: return;
931: }
932:
933: size_t p;
934: size_t slash;
935: if((p=file_spec.rskipchars("/\\"))==STRING_NOT_FOUND)
1.255 moko 936: r.write(String("/"));
1.219 misha 937: else {
938: if((slash=file_spec.strrpbrk("/\\", 0, p))!=STRING_NOT_FOUND) {
939: if((p=file_spec.rskipchars("/\\", 0, slash))==STRING_NOT_FOUND)
940: p=slash;
1.255 moko 941: r.write(file_spec.mid(0, p+1));
1.219 misha 942: return;
943: }
1.255 moko 944: r.write(String("."));
1.219 misha 945: }
1.89 paf 946: }
947:
1.111 paf 948: static void _basename(Request& r, MethodParams& params) {
1.292 moko 949: const String& file_spec=params.as_file_spec(0);
1.219 misha 950: // works as *nix basename
951:
952: // empty > .
953: // / > /
954: // /a > a
955: // /a/ > a
1.180 misha 956: // /a/some.tar.gz > some.tar.gz
1.219 misha 957: // /a/b/ > b
958: // /a///b/ > b
959: // /a/b/// > b
960: // file > file
961:
962: if(file_spec.is_empty()) {
1.255 moko 963: r.write(String("."));
1.219 misha 964: return;
965: }
966:
967: size_t p=file_spec.rskipchars("/\\");
968: if(p==STRING_NOT_FOUND)
1.255 moko 969: r.write(String("/"));
1.219 misha 970: else
1.255 moko 971: r.write(file_spec.mid(afterlastslash(file_spec, p), p+1));
1.89 paf 972: }
973:
1.111 paf 974: static void _justname(Request& r, MethodParams& params) {
1.292 moko 975: const String& file_spec=params.as_file_spec(0);
1.180 misha 976: // /a/some.tar.gz > some.tar
1.219 misha 977: // /a/b.c/ > empty
978: // /a/b.c > b
979: size_t pos=afterlastslash(file_spec);
980: size_t dotpos=file_spec.strrpbrk(".", pos);
1.255 moko 981: r.write(file_spec.mid(pos, dotpos!=STRING_NOT_FOUND?dotpos:file_spec.length()));
1.89 paf 982: }
1.219 misha 983:
1.111 paf 984: static void _justext(Request& r, MethodParams& params) {
1.292 moko 985: const String& file_spec=params.as_file_spec(0);
1.180 misha 986: // /a/some.tar.gz > gz
1.219 misha 987: // /a/b.c/ > empty
988: size_t pos=afterlastslash(file_spec);
989: size_t dotpos=file_spec.strrpbrk(".", pos);
990: if(dotpos!=STRING_NOT_FOUND)
1.255 moko 991: r.write(file_spec.mid(dotpos+1, file_spec.length()));
1.89 paf 992: }
993:
1.111 paf 994: static void _fullpath(Request& r, MethodParams& params) {
1.292 moko 995: const String& file_spec=params.as_file_spec(0);
1.300 moko 996: if(const String* result=web_path(r, file_spec, true))
997: r.write(*result);
998: else
999: throw Exception(PARSER_RUNTIME, &file_spec, "is outside of $request:document-root [%s]", r.request_info.document_root);
1.102 paf 1000: }
1001:
1.302 moko 1002: static void _diskpath(Request& r, MethodParams& params) {
1003: r.write(r.full_disk_path(params.as_file_spec(0)));
1004: }
1005:
1.121 paf 1006: static void _sql_string(Request& r, MethodParams&) {
1007: VFile& self=GET_SELF(r, VFile);
1008:
1009: const char *quoted=r.connection()->quote(self.value_ptr(), self.value_size());
1.255 moko 1010: r.write(*new String(quoted));
1.121 paf 1011: }
1.89 paf 1012:
1.122 paf 1013: #ifndef DOXYGEN
1014: class File_sql_event_handlers: public SQL_Driver_query_event_handlers {
1015: int got_columns;
1016: int got_cells;
1.280 moko 1017: bool got_row;
1.122 paf 1018: public:
1019: String::C value;
1.131 paf 1020: const String* user_file_name;
1021: const String* user_content_type;
1.122 paf 1022: public:
1.265 moko 1023: File_sql_event_handlers():
1.122 paf 1024: got_columns(0),
1025: got_cells(0),
1.280 moko 1026: got_row(false),
1.122 paf 1027: user_file_name(0),
1028: user_content_type(0) {}
1029:
1030: bool add_column(SQL_Error& error, const char* /*str*/, size_t /*length*/) {
1031: if(got_columns++==3) {
1.280 moko 1032: error=SQL_Error("result must contain no more than 3 columns");
1.122 paf 1033: return true;
1034: }
1035: return false;
1036: }
1037: bool before_rows(SQL_Error& /*error*/ ) { /* ignore */ return false; }
1.280 moko 1038: bool add_row(SQL_Error& error) {
1039: if(got_row) {
1040: error=SQL_Error("result must contain no more than 1 row");
1041: return true;
1042: }
1043: got_row=true;
1044: return false;
1045: }
1.122 paf 1046: bool add_row_cell(SQL_Error& error, const char* str, size_t length) {
1047: try {
1048: switch(got_cells++) {
1049: case 0:
1050: value=String::C(str, length);
1051: break;
1052: case 1:
1.131 paf 1053: if(!user_file_name) // user not specified?
1.190 misha 1054: user_file_name=new String(str, String::L_TAINTED);
1.122 paf 1055: break;
1056: case 2:
1.131 paf 1057: if(!user_content_type) // user not specified?
1.190 misha 1058: user_content_type=new String(str, String::L_TAINTED);
1.122 paf 1059: break;
1060: default:
1.280 moko 1061: error=SQL_Error("result must contain no more than 1 row and 3 columns");
1.122 paf 1062: return true;
1063: }
1064: return false;
1065: } catch(...) {
1.263 moko 1066: error=SQL_Error("exception occurred in File_sql_event_handlers::add_row_cell");
1.122 paf 1067: return true;
1068: }
1069: }
1070: };
1071: #endif
1072: static void _sql(Request& r, MethodParams& params) {
1.131 paf 1073: Value& statement=params.as_junction(0, "statement must be code");
1.122 paf 1074:
1075: const String& statement_string=r.process_to_string(statement);
1.254 moko 1076: const char* statement_cstr=statement_string.untaint_cstr(String::L_SQL, r.connection());
1.195 misha 1077:
1.265 moko 1078: File_sql_event_handlers handlers;
1.131 paf 1079:
1.173 misha 1080: ulong limit=SQL_NO_LIMIT;
1.172 misha 1081: ulong offset=0;
1082:
1.131 paf 1083: if(params.count()>1)
1.220 misha 1084: if(HashStringValue* options=params.as_hash(1, "sql options")) {
1.131 paf 1085: int valid_options=0;
1086: if(Value* vfilename=options->get(NAME_NAME)) {
1087: valid_options++;
1088: handlers.user_file_name=&vfilename->as_string();
1089: }
1090: if(Value* vcontent_type=options->get(CONTENT_TYPE_NAME)) {
1091: valid_options++;
1092: handlers.user_content_type=&vcontent_type->as_string();
1093: }
1.173 misha 1094: if(Value* vlimit=options->get(sql_limit_name)) {
1095: valid_options++;
1.252 moko 1096: limit=(ulong)r.process(*vlimit).as_double();
1.173 misha 1097: }
1.172 misha 1098: if(Value* voffset=options->get(sql_offset_name)) {
1099: valid_options++;
1.252 moko 1100: offset=(ulong)r.process(*voffset).as_double();
1.172 misha 1101: }
1.131 paf 1102: if(valid_options!=options->count())
1.207 misha 1103: throw Exception(PARSER_RUNTIME, 0, CALLED_WITH_INVALID_OPTION);
1.131 paf 1104: }
1105:
1106:
1.265 moko 1107: r.connection()->query(statement_cstr, 0, 0, offset, limit, handlers, statement_string);
1.122 paf 1108:
1.238 moko 1109: if(!handlers.value.str)
1110: throw Exception(PARSER_RUNTIME, 0, "produced no result");
1.122 paf 1111:
1.215 misha 1112: VFile& self=GET_SELF(r, VFile);
1.122 paf 1113:
1.222 moko 1114: self.set_binary(true/*tainted*/, handlers.value.str, handlers.value.length, handlers.user_file_name
1.215 misha 1115: , handlers.user_content_type ? new VString(*handlers.user_content_type) : 0
1116: , &r);
1.122 paf 1117: }
1.140 paf 1118:
1.266 moko 1119: extern Base64Options base64_encode_options(Request& r, HashStringValue* options);
1120:
1121: Base64Options base64_decode_options(Request& r, HashStringValue* options, VString** vcontent_type) {
1122: Base64Options result;
1123: if(options) {
1124: for(HashStringValue::Iterator i(*options); i; i.next() ) {
1125: String::Body key=i.key();
1126: Value* value=i.value();
1127: if(key == "pad") {
1128: result.pad=r.process(*value).as_bool();
1129: } else if(key == "strict") {
1130: result.strict=r.process(*value).as_bool();
1131: } else if(key == CONTENT_TYPE_NAME) {
1132: *vcontent_type=new VString(value->as_string());
1133: } else if(key == "url-safe") {
1134: if(r.process(*value).as_bool())
1135: result.set_url_safe_abc();
1.298 moko 1136: } else
1137: throw Exception(PARSER_RUNTIME, 0, CALLED_WITH_INVALID_OPTION);
1.266 moko 1138: }
1139: }
1140: return result;
1141: }
1142:
1.139 paf 1143: static void _base64(Request& r, MethodParams& params) {
1.209 misha 1144: bool dynamic=!(&r.get_self() == file_class);
1145: if(dynamic) {
1.180 misha 1146: VFile& self=GET_SELF(r, VFile);
1.267 moko 1147: if(params.count()>1 || params.count()==1 && params[0].is_string()) {
1.209 misha 1148: // decode:
1149: // ^file::base64[encoded] // backward
1.217 misha 1150: // ^file::base64[mode;user-file-name;encoded[;$.content-type[...] $.strict(true|false)]]
1.209 misha 1151: bool is_text=false;
1.266 moko 1152: const String* user_file_name=0;
1.209 misha 1153: VString* vcontent_type=0;
1.266 moko 1154: Base64Options options;
1155:
1.209 misha 1156: size_t param_index=0;
1157:
1158: if(params.count() > 1) {
1159: if(params.count() < 3)
1.281 moko 1160: throw Exception(PARSER_RUNTIME, 0, "constructor cannot have less than 3 parameters (has %d parameters)", params.count()); // actually it accepts 1 parameter (backward)
1.209 misha 1161:
1.293 moko 1162: is_text=VFile::is_text_mode(params.as_string(0, MODE_MUST_BE_STRING));
1.215 misha 1163: user_file_name=¶ms.as_string(1, FILE_NAME_MUST_BE_STRING);
1.209 misha 1164:
1165: if(params.count() == 4)
1.266 moko 1166: options=base64_decode_options(r, params.as_hash(3), &vcontent_type);
1.209 misha 1167:
1168: param_index=2;
1169: }
1170:
1171: const char* encoded=params.as_string(param_index, PARAMETER_MUST_BE_STRING).cstr();
1172:
1.180 misha 1173: char* decoded=0;
1.268 moko 1174: size_t length=pa_base64_decode(encoded, strlen(encoded), decoded, options);
1.209 misha 1175:
1.221 misha 1176: self.set(true/*tainted*/, is_text, decoded, length, user_file_name, vcontent_type, &r);
1.180 misha 1177: } else {
1.266 moko 1178: // encode: ^f.base64[options]
1179: Base64Options options = base64_encode_options(r, params.count() > 0 ? params.as_hash(0) : NULL);
1180: const char* encoded=pa_base64_encode(self.value_ptr(), self.value_size(), options);
1181: r.write(*new String(encoded, String::L_TAINTED /*once ?param=base64(something) was needed**/ ));
1.180 misha 1182: }
1.151 misha 1183: } else {
1.266 moko 1184: // encode: ^file:base64[filespec[;options]]
1.272 moko 1185: if(params.count() > 2)
1186: throw Exception(PARSER_RUNTIME, 0, "accepts maximum 2 parameter(s) (has %d parameters)", params.count());
1187:
1.291 moko 1188: const String& file_spec = params.as_file_name(0);
1.273 moko 1189: File_read_result data = file_read_binary(r.full_disk_path(file_spec), true /*fail on problem*/);
1.272 moko 1190:
1.266 moko 1191: Base64Options options = base64_encode_options(r, params.count() > 1 ? params.as_hash(1) : NULL);
1.272 moko 1192: const char* encoded = pa_base64_encode(data.str, data.length, options);
1.266 moko 1193: r.write(*new String(encoded, String::L_TAINTED /*once ?param=base64(something) was needed*/ ));
1.151 misha 1194: }
1.139 paf 1195: }
1.140 paf 1196:
1.146 misha 1197: static void _crc32(Request& r, MethodParams& params) {
1.277 moko 1198: uint crc32 = 0;
1.146 misha 1199: if(&r.get_self() == file_class) {
1200: // ^file:crc32[file-name]
1201: if(params.count()) {
1.291 moko 1202: const String& file_spec=params.as_file_name(0);
1.273 moko 1203: crc32=pa_crc32(r.full_disk_path(file_spec));
1.146 misha 1204: } else {
1.215 misha 1205: throw Exception(PARSER_RUNTIME, 0, FILE_NAME_MUST_BE_SPECIFIED);
1.146 misha 1206: }
1207: } else {
1208: // ^file.crc32[]
1209: VFile& self=GET_SELF(r, VFile);
1210: crc32=pa_crc32(self.value_ptr(), self.value_size());
1211: }
1.277 moko 1212: r.write(*new VDouble(crc32));
1.146 misha 1213: }
1214:
1215:
1.243 moko 1216: static void file_md5_file_action(struct stat& finfo, int f, const String&, void *context)
1.147 misha 1217: {
1218: PA_MD5_CTX& md5context=*static_cast<PA_MD5_CTX *>(context);
1219: if(finfo.st_size) {
1.148 misha 1220: int nCount=0;
1.147 misha 1221: do {
1222: unsigned char buffer[FILE_BUFFER_SIZE];
1.150 misha 1223: nCount = file_block_read(f, buffer, sizeof(buffer));
1.147 misha 1224: if ( nCount ){
1225: pa_MD5Update(&md5context, (const unsigned char*)buffer, nCount);
1226: }
1.148 misha 1227: } while(nCount > 0);
1.147 misha 1228: }
1229: }
1230:
1231: const char* pa_md5(const String& file_spec)
1232: {
1233: PA_MD5_CTX context;
1234: unsigned char digest[16];
1235: pa_MD5Init(&context);
1236: file_read_action_under_lock(file_spec, "md5", file_md5_file_action, &context);
1237: pa_MD5Final(digest, &context);
1238:
1239: return hex_string(digest, sizeof(digest), false);
1240: }
1241:
1242: const char* pa_md5(const char *in, size_t in_size)
1243: {
1244: PA_MD5_CTX context;
1245: unsigned char digest[16];
1246: pa_MD5Init(&context);
1247: pa_MD5Update(&context, (const unsigned char*)in, in_size);
1248: pa_MD5Final(digest, &context);
1249:
1250: return hex_string(digest, sizeof(digest), false);
1251: }
1252:
1253: static void _md5(Request& r, MethodParams& params) {
1254: const char* md5;
1255: if(&r.get_self() == file_class) {
1256: // ^file:md5[file-name]
1257: if(params.count()) {
1.291 moko 1258: const String& file_spec=params.as_file_name(0);
1.273 moko 1259: md5=pa_md5(r.full_disk_path(file_spec));
1.147 misha 1260: } else {
1.215 misha 1261: throw Exception(PARSER_RUNTIME, 0, FILE_NAME_MUST_BE_SPECIFIED);
1.147 misha 1262: }
1263: } else {
1264: // ^file.md5[]
1265: VFile& self=GET_SELF(r, VFile);
1266: md5=pa_md5(self.value_ptr(), self.value_size());
1267:
1268: }
1.255 moko 1269: r.write(*new String(md5));
1.147 misha 1270: }
1271:
1.32 paf 1272: // constructor
1273:
1.111 paf 1274: MFile::MFile(): Methoded("file") {
1.215 misha 1275: // ^file::create[text|binary;file-name;string-or-file[;options hash]]
1276: // ^file::create[string-or-file[;options hash]]
1277: add_native_method("create", Method::CT_DYNAMIC, _create, 1, 4);
1.138 paf 1278:
1.146 misha 1279: // ^file.save[mode;file-name]
1.308 ! moko 1280: // ^file.save[mode;file-name; $.charset[...] $.append(false) ]
1.201 misha 1281: add_native_method("save", Method::CT_DYNAMIC, _save, 2, 3);
1.7 paf 1282:
1.146 misha 1283: // ^file:delete[file-name]
1.308 ! moko 1284: // ^file:delete[file-name; $.keep-empty-dir(true) $.exception(false) ]
1.224 misha 1285: add_native_method("delete", Method::CT_STATIC, _delete, 1, 2);
1.45 parser 1286:
1.308 ! moko 1287: // ^file:rmdir[dir-name]
! 1288: // ^file:rmdir[dir-name; $.exception(false) ]
! 1289: add_native_method("rmdir", Method::CT_STATIC, _rmdir, 1, 2);
! 1290:
1.146 misha 1291: // ^file:move[from-file-name;to-file-name]
1.308 ! moko 1292: // ^file:move[from-file-name;to-file-name; $.keep-empty-dir(true) ]
1.224 misha 1293: add_native_method("move", Method::CT_STATIC, _move, 2, 3);
1.8 paf 1294:
1.146 misha 1295: // ^file::load[mode;disk-name]
1296: // ^file::load[mode;disk-name;user-name]
1.201 misha 1297: // ^file::load[mode;disk-name;user-name;options hash]
1298: // ^file::load[mode;disk-name;options hash]
1.180 misha 1299: add_native_method("load", Method::CT_DYNAMIC, _load, 2, 4);
1.25 paf 1300:
1.146 misha 1301: // ^file::stat[disk-name]
1.32 paf 1302: add_native_method("stat", Method::CT_DYNAMIC, _stat, 1, 1);
1.21 paf 1303:
1.162 misha 1304: // ^file::cgi[mode;file-name]
1305: // ^file::cgi[mode;file-name;env hash]
1306: // ^file::cgi[mode;file-name;env hash;1cmd;2line;3ar;4g;5s]
1307: add_native_method("cgi", Method::CT_DYNAMIC, _cgi, 1, 3+50);
1308:
1309: // ^file::exec[mode;file-name]
1310: // ^file::exec[mode;file-name;env hash]
1311: // ^file::exec[mode;file-name;env hash;1cmd;2line;3ar;4g;5s]
1312: add_native_method("exec", Method::CT_DYNAMIC, _exec, 1, 3+50);
1.47 parser 1313:
1314: // ^file:list[path]
1315: // ^file:list[path][regexp]
1.228 moko 1316: // ^file:list[path][$.filter[regexp] $.stat(true)]
1.47 parser 1317: add_native_method("list", Method::CT_STATIC, _list, 1, 2);
1.69 paf 1318:
1319: // ^file:lock[path]{code}
1320: add_native_method("lock", Method::CT_STATIC, _lock, 2, 2);
1.90 paf 1321:
1.146 misha 1322: // ^file:find[file-name]
1323: // ^file:find[file-name]{when-not-found}
1.90 paf 1324: add_native_method("find", Method::CT_STATIC, _find, 1, 2);
1.47 parser 1325:
1.201 misha 1326: // ^file:dirname[/a/some.tar.gz]=/a
1.89 paf 1327: // ^file:dirname[/a/b/]=/a
1328: add_native_method("dirname", Method::CT_STATIC, _dirname, 1, 1);
1.201 misha 1329: // ^file:basename[/a/some.tar.gz]=some.tar.gz
1330: add_native_method("basename", Method::CT_STATIC, _basename, 1, 1);
1331: // ^file:justname[/a/some.tar.gz]=some.tar
1.89 paf 1332: add_native_method("justname", Method::CT_STATIC, _justname, 1, 1);
1.201 misha 1333: // ^file:justext[/a/some.tar.gz]=gz
1.89 paf 1334: add_native_method("justext", Method::CT_STATIC, _justext, 1, 1);
1.201 misha 1335: // /some/page.html: ^file:fullpath[a.gif] => /some/a.gif
1.102 paf 1336: add_native_method("fullpath", Method::CT_STATIC, _fullpath, 1, 1);
1.302 moko 1337: // /some/page.html: ^file:diskpath[a.gif] => /document/root/some/a.gif, file:// and C:\ resolved as well
1338: add_native_method("diskpath", Method::CT_STATIC, _diskpath, 1, 1);
1.121 paf 1339:
1.201 misha 1340: // ^file.sql-string[]
1.121 paf 1341: add_native_method("sql-string", Method::CT_DYNAMIC, _sql_string, 0, 0);
1.122 paf 1342:
1.209 misha 1343: // ^file::sql{}
1.201 misha 1344: // ^file::sql{}[options hash]
1.122 paf 1345: add_native_method("sql", Method::CT_DYNAMIC, _sql, 1, 2);
1.139 paf 1346:
1.209 misha 1347: // encode:
1348: // ^file.base64[]
1349: // ^file:base64[file-name]
1350: // decode:
1351: // ^file::base64[encoded] // backward
1352: // ^file::base64[mode;user-file-name;encoded]
1.308 ! moko 1353: // ^file::base64[mode;user-file-name;encoded; $.content-type[...] ]
1.209 misha 1354: add_native_method("base64", Method::CT_ANY, _base64, 0, 4);
1.146 misha 1355:
1356: // ^file.crc32[]
1357: // ^file:crc32[file-name]
1358: add_native_method("crc32", Method::CT_ANY, _crc32, 0, 1);
1.147 misha 1359:
1360: // ^file.md5[]
1361: // ^file:md5[file-name]
1362: add_native_method("md5", Method::CT_ANY, _md5, 0, 1);
1363:
1.148 misha 1364: // ^file:copy[from-file-name;to-file-name]
1.308 ! moko 1365: // ^file:copy[from-file-name;to-file-name; $.append(false) ]
1.264 moko 1366: add_native_method("copy", Method::CT_STATIC, _copy, 2, 3);
1.1 paf 1367: }
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