Annotation of parser3/src/classes/file.C, revision 1.286
1.17 paf 1: /** @file
2: Parser: @b file parser class.
3:
1.285 moko 4: Copyright (c) 2001-2024 Art. Lebedev Studio (http://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:
1.47 parser 8: #include "pa_config_includes.h"
9:
1.35 paf 10: #include "classes.h"
1.111 paf 11: #include "pa_vmethod_frame.h"
1.266 moko 12: #include "pa_base64.h"
1.111 paf 13:
1.1 paf 14: #include "pa_request.h"
15: #include "pa_vfile.h"
1.11 paf 16: #include "pa_table.h"
1.21 paf 17: #include "pa_vint.h"
1.24 paf 18: #include "pa_exec.h"
1.40 parser 19: #include "pa_vdate.h"
1.47 parser 20: #include "pa_dir.h"
21: #include "pa_vtable.h"
1.283 moko 22: #include "pa_varray.h"
1.67 paf 23: #include "pa_charset.h"
1.109 paf 24: #include "pa_charsets.h"
1.121 paf 25: #include "pa_sql_connection.h"
1.147 misha 26: #include "pa_md5.h"
1.184 misha 27: #include "pa_vregex.h"
1.208 misha 28: #include "pa_version.h"
1.1 paf 29:
1.286 ! moko 30: volatile const char * IDENT_FILE_C="$Id: file.C,v 1.285 2024/11/04 03:53:25 moko Exp $";
1.218 moko 31:
1.32 paf 32: // defines
33:
1.90 paf 34: #define STDIN_EXEC_PARAM_NAME "stdin"
1.109 paf 35: #define CHARSET_EXEC_PARAM_NAME "charset"
1.48 parser 36:
1.131 paf 37: #define NAME_NAME "name"
1.224 misha 38: #define KEEP_EMPTY_DIRS_NAME "keep-empty-dirs"
1.225 misha 39: #define SUPPRESS_EXCEPTION_NAME "exception"
1.131 paf 40:
1.132 paf 41: // externs
42:
43: extern String sql_limit_name;
44: extern String sql_offset_name;
45:
1.227 moko 46: // helpers
47:
48: class File_list_table_template_columns: public ArrayString {
49: public:
50: File_list_table_template_columns() {
51: *this+=new String("name");
52: *this+=new String("dir");
53: *this+=new String("size");
54: *this+=new String("cdate");
55: *this+=new String("mdate");
56: *this+=new String("adate");
57: }
58: };
59:
60: Table file_list_table_template(new File_list_table_template_columns);
61:
1.111 paf 62: // class
63:
64: class MFile: public Methoded {
65: public: // VStateless_class
1.199 misha 66: Value* create_new_value(Pool&) { return new VFile(); }
1.111 paf 67: public:
68: MFile();
69: };
70:
71: // global variable
72:
1.242 moko 73: DECLARE_CLASS_VAR(file, new MFile);
1.111 paf 74:
1.83 paf 75: // consts
76:
77: /// from apache-1.3|src|support|suexec.c
1.111 paf 78: static const char* suexec_safe_env_lst[]={
1.83 paf 79: "AUTH_TYPE",
80: "CONTENT_LENGTH",
81: "CONTENT_TYPE",
82: "DATE_GMT",
83: "DATE_LOCAL",
84: "DOCUMENT_NAME",
85: "DOCUMENT_PATH_INFO",
86: "DOCUMENT_ROOT",
87: "DOCUMENT_URI",
88: "FILEPATH_INFO",
89: "GATEWAY_INTERFACE",
90: "LAST_MODIFIED",
91: "PATH_INFO",
92: "PATH_TRANSLATED",
93: "QUERY_STRING",
94: "QUERY_STRING_UNESCAPED",
95: "REMOTE_ADDR",
96: "REMOTE_HOST",
97: "REMOTE_IDENT",
98: "REMOTE_PORT",
99: "REMOTE_USER",
100: "REDIRECT_QUERY_STRING",
101: "REDIRECT_STATUS",
102: "REDIRECT_URL",
103: "REQUEST_METHOD",
104: "REQUEST_URI",
105: "SCRIPT_FILENAME",
106: "SCRIPT_NAME",
107: "SCRIPT_URI",
108: "SCRIPT_URL",
109: "SERVER_ADMIN",
110: "SERVER_NAME",
111: "SERVER_ADDR",
112: "SERVER_PORT",
113: "SERVER_PROTOCOL",
114: "SERVER_SOFTWARE",
115: "UNIQUE_ID",
116: "USER_NAME",
117: "TZ",
118: NULL
119: };
120:
1.111 paf 121: // statics
1.33 paf 122:
1.258 moko 123: static const String::Body size_name("size");
1.112 paf 124: static const String::Body adate_name("adate");
125: static const String::Body mdate_name("mdate");
126: static const String::Body cdate_name("cdate");
1.32 paf 127:
1.1 paf 128: // methods
129:
1.111 paf 130: static void _save(Request& r, MethodParams& params) {
1.215 misha 131: bool is_text=VFile::is_text_mode(params.as_string(0, MODE_MUST_NOT_BE_CODE));
1.152 misha 132: Value& vfile_name=params.as_no_junction(1, FILE_NAME_MUST_NOT_BE_CODE);
1.4 paf 133:
1.201 misha 134: Charset* asked_charset=0;
135: if(params.count()>2)
1.214 misha 136: if(HashStringValue* options=params.as_hash(2)){
1.202 misha 137: int valid_options=0;
1.201 misha 138: if(Value* vcharset_name=options->get(PA_CHARSET_NAME)){
1.251 moko 139: asked_charset=&pa_charsets.get(vcharset_name->as_string());
1.201 misha 140: valid_options++;
141: }
142: if(valid_options != options->count())
1.207 misha 143: throw Exception(PARSER_RUNTIME, 0, CALLED_WITH_INVALID_OPTION);
1.201 misha 144: }
145:
1.7 paf 146: // save
1.273 moko 147: GET_SELF(r, VFile).save(r.charsets, r.full_disk_path(vfile_name.as_string()), is_text, asked_charset);
1.7 paf 148: }
149:
1.111 paf 150: static void _delete(Request& r, MethodParams& params) {
1.215 misha 151: const String& file_name=params.as_string(0, FILE_NAME_MUST_NOT_BE_CODE);
1.224 misha 152: bool keep_empty_dirs=false;
1.225 misha 153: bool fail_on_problem=true;
1.224 misha 154:
155: if(params.count()>1)
156: if(HashStringValue* options=params.as_hash(1)){
157: int valid_options=0;
158: if(Value* vkeep_empty_dirs=options->get(KEEP_EMPTY_DIRS_NAME)){
1.252 moko 159: keep_empty_dirs=r.process(*vkeep_empty_dirs).as_bool();
1.224 misha 160: valid_options++;
161: }
1.225 misha 162: if(Value* vsuppress_exception=options->get(SUPPRESS_EXCEPTION_NAME)){
1.252 moko 163: fail_on_problem=r.process(*vsuppress_exception).as_bool();
1.225 misha 164: valid_options++;
165: }
1.224 misha 166: if(valid_options != options->count())
167: throw Exception(PARSER_RUNTIME, 0, CALLED_WITH_INVALID_OPTION);
168: }
1.7 paf 169:
170: // unlink
1.273 moko 171: file_delete(r.full_disk_path(file_name), fail_on_problem, keep_empty_dirs);
1.1 paf 172: }
173:
1.111 paf 174: static void _move(Request& r, MethodParams& params) {
175: Value& vfrom_file_name=params.as_no_junction(0, "from file name must not be code");
176: Value& vto_file_name=params.as_no_junction(1, "to file name must not be code");
1.224 misha 177: bool keep_empty_dirs=false;
178:
179: if(params.count()>2)
180: if(HashStringValue* options=params.as_hash(2)){
181: int valid_options=0;
182: if(Value* vkeep_empty_dirs=options->get(KEEP_EMPTY_DIRS_NAME)){
1.252 moko 183: keep_empty_dirs=r.process(*vkeep_empty_dirs).as_bool();
1.224 misha 184: valid_options++;
185: }
186: if(valid_options != options->count())
187: throw Exception(PARSER_RUNTIME, 0, CALLED_WITH_INVALID_OPTION);
188: }
1.45 parser 189:
1.51 parser 190: // move
1.68 paf 191: file_move(
1.273 moko 192: r.full_disk_path(vfrom_file_name.as_string()),
193: r.full_disk_path(vto_file_name.as_string()),
1.224 misha 194: keep_empty_dirs);
1.45 parser 195: }
196:
1.260 moko 197: static void copy_process_source(struct stat&, int from_file, const String&, void *context) {
1.148 misha 198: int& to_file=*static_cast<int *>(context);
199:
200: int nCount=0;
201: do {
202: unsigned char buffer[FILE_BUFFER_SIZE];
1.150 misha 203: nCount = file_block_read(from_file, buffer, sizeof(buffer));
1.148 misha 204: int written=write(to_file, buffer, nCount);
205: if( written < 0 )
1.179 misha 206: throw Exception("file.access",
1.148 misha 207: 0,
208: "write failed: %s (%d)", strerror(errno), errno);
209:
210: } while(nCount > 0);
211: }
212:
213: static void copy_open_target(int f, void *from_spec) {
214: String& file_spec=*static_cast<String *>(from_spec);
215: file_read_action_under_lock(file_spec, "copy", copy_process_source, &f);
1.235 moko 216: }
1.148 misha 217:
218: static void _copy(Request& r, MethodParams& params) {
219: Value& vfrom_file_name=params.as_no_junction(0, "from file name must not be code");
220: Value& vto_file_name=params.as_no_junction(1, "to file name must not be code");
221:
1.264 moko 222: bool append=false;
223: if(params.count()>2)
224: if(HashStringValue* options=params.as_hash(2)){
225: int valid_options=0;
226: if(Value* vappend=options->get("append")){
227: append=r.process(*vappend).as_bool();
228: valid_options++;
229: }
230: if(valid_options != options->count())
231: throw Exception(PARSER_RUNTIME, 0, CALLED_WITH_INVALID_OPTION);
232: }
233:
1.273 moko 234: String from_spec = r.full_disk_path(vfrom_file_name.as_string());
235: const String& to_spec = r.full_disk_path(vto_file_name.as_string());
1.148 misha 236:
237: file_write_action_under_lock(
238: to_spec,
239: "copy",
240: copy_open_target,
1.264 moko 241: &from_spec,
242: false /*as text*/,
243: append);
1.148 misha 244: }
245:
1.111 paf 246: static void _load_pass_param(
1.180 misha 247: HashStringValue::key_type key,
248: HashStringValue::value_type value,
249: HashStringValue *dest) {
1.111 paf 250: dest->put(key, value);
251: }
1.180 misha 252:
1.111 paf 253: static void _load(Request& r, MethodParams& params) {
1.215 misha 254: bool as_text=VFile::is_text_mode(params.as_string(0, MODE_MUST_NOT_BE_CODE));
1.273 moko 255: const String& lfile_name=r.full_disk_path(params.as_string(1, FILE_NAME_MUST_NOT_BE_CODE));
1.9 paf 256:
1.180 misha 257: size_t param_index=params.count()-1;
1.215 misha 258: Value* param_value=param_index>1?¶ms.as_no_junction(param_index, "file name or options must not be code"):0;
1.180 misha 259:
1.183 misha 260: HashStringValue* options=0;
1.215 misha 261: const String* user_file_name=0;
1.183 misha 262:
263: if(param_value){
264: options=param_value->get_hash();
265: if(options || param_index>2)
266: param_index--;
267: if(param_index>1){
268: const String& luser_file_name=params.as_string(param_index, FILE_NAME_MUST_BE_STRING);
269: if(!luser_file_name.is_empty())
1.215 misha 270: user_file_name=&luser_file_name;
1.183 misha 271: }
272: }
273: if(!user_file_name)
1.215 misha 274: user_file_name=&lfile_name;
1.180 misha 275:
1.271 moko 276: File_read_result file=file_load(r, lfile_name, as_text, options, true);
1.9 paf 277:
1.111 paf 278: Value* vcontent_type=0;
1.168 misha 279: if(file.headers){
1.181 misha 280: if(Value* remote_content_type=file.headers->get(HTTP_CONTENT_TYPE_UPPER))
1.129 paf 281: vcontent_type=new VString(*new String(remote_content_type->as_string().cstr()));
282: }
1.221 misha 283:
1.111 paf 284: VFile& self=GET_SELF(r, VFile);
1.221 misha 285: self.set(true/*tainted*/, as_text, file.str, file.length, user_file_name, vcontent_type, &r);
1.194 misha 286:
1.168 misha 287: if(file.headers){
1.143 paf 288: file.headers->for_each<HashStringValue*>(_load_pass_param, &self.fields());
1.168 misha 289: } else {
1.258 moko 290: uint64_t size;
1.168 misha 291: time_t atime, mtime, ctime;
292:
1.169 misha 293: file_stat(lfile_name, size, atime, mtime, ctime);
1.168 misha 294:
295: HashStringValue& ff=self.fields();
1.237 moko 296: ff.put(adate_name, new VDate((pa_time_t)atime));
297: ff.put(mdate_name, new VDate((pa_time_t)mtime));
298: ff.put(cdate_name, new VDate((pa_time_t)ctime));
1.168 misha 299: }
1.9 paf 300: }
301:
1.138 paf 302: static void _create(Request& r, MethodParams& params) {
1.215 misha 303: const String* mode=0;
304: const String* file_name=0;
305: bool is_text=true;
306:
307: // new format: ^file::create[string-or-file-content[;$.mode[text|binary] $.name[...] $.content-type[...] $.charset[...] ]]
308: size_t content_index=0;
309: size_t options_index=1;
310: bool extended_options=true;
311:
312: if(params.count()>=3){
313: // old format: ^file::create[text|binary;file-name;string-or-file-content[;options]]
314: mode=¶ms.as_string(0, MODE_MUST_NOT_BE_CODE);
315: is_text=VFile::is_text_mode(*mode);
316: file_name=¶ms.as_string(1, FILE_NAME_MUST_NOT_BE_CODE);
317: content_index=2;
318: options_index=3;
319: extended_options=false;
320: }
1.203 misha 321:
1.211 misha 322: VString* vcontent_type=0;
1.245 moko 323: Charset* to_charset=0;
324: Charset* from_charset=0;
1.215 misha 325: if(params.count()>options_index)
326: if(HashStringValue* options=params.as_hash(options_index)) {
1.203 misha 327: int valid_options=0;
1.215 misha 328: if(extended_options) {
329: if(Value* vmode=options->get(MODE_NAME)) {
330: mode=&vmode->as_string();
331: is_text=VFile::is_text_mode(*mode);
332: valid_options++;
333: }
334: if(Value* vfile_name=options->get(NAME_NAME)) {
335: file_name=&vfile_name->as_string();
336: valid_options++;
337: }
338: }
1.245 moko 339: if(Value* vcharset_name=options->get("to-charset")) {
1.251 moko 340: to_charset=&pa_charsets.get(vcharset_name->as_string());
1.245 moko 341: valid_options++;
342: }
343: if(Value* vcharset_name=options->get("from-charset")) {
1.251 moko 344: from_charset=&pa_charsets.get(vcharset_name->as_string());
1.245 moko 345: valid_options++;
346: }
1.215 misha 347: if(Value* vcharset_name=options->get(PA_CHARSET_NAME)) {
1.245 moko 348: if(to_charset)
1.281 moko 349: throw Exception(PARSER_RUNTIME, 0, "'charset' option cannot be used together with 'to-charset' option");
1.251 moko 350: to_charset=&pa_charsets.get(vcharset_name->as_string());
1.203 misha 351: valid_options++;
352: }
1.211 misha 353: if(Value* value=options->get(CONTENT_TYPE_NAME)) {
354: vcontent_type=new VString(value->as_string());
355: valid_options++;
356: }
1.203 misha 357: if(valid_options != options->count())
1.207 misha 358: throw Exception(PARSER_RUNTIME, 0, CALLED_WITH_INVALID_OPTION);
1.215 misha 359: }
1.211 misha 360:
1.215 misha 361: Value& vcontent=params.as_no_junction(content_index, "content must be string or file");
1.203 misha 362:
1.138 paf 363: VFile& self=GET_SELF(r, VFile);
1.194 misha 364:
1.215 misha 365: if(const String* content_str=vcontent.get_string()){
1.229 moko 366: 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 367: self.set(true/*tainted*/, is_text, body.cstrm(), body.length(), file_name, vcontent_type, &r);
1.215 misha 368: } else {
1.275 moko 369: VFile& fcontent=*vcontent.as_vfile(); // can't be null
1.248 moko 370: if(mode){
371: self.set(fcontent, &is_text, file_name, vcontent_type, &r);
372: if(is_text && !fcontent.is_text_mode())
373: from_charset=self.detect_binary_charset(from_charset);
374: } else {
375: self.set(fcontent, 0, file_name, vcontent_type, &r);
376: is_text=fcontent.is_text_mode();
377: }
1.215 misha 378: }
379:
1.245 moko 380: if(to_charset || from_charset)
381: if(is_text)
382: self.transcode(from_charset ? *from_charset : r.charsets.source(), to_charset ? *to_charset : r.charsets.source());
383: else
1.281 moko 384: throw Exception(PARSER_RUNTIME, 0, "charset options cannot be used with binary content");
1.138 paf 385: }
386:
1.111 paf 387: static void _stat(Request& r, MethodParams& params) {
1.215 misha 388: const String& lfile_name=params.as_string(0, FILE_NAME_MUST_NOT_BE_CODE);
1.25 paf 389:
1.258 moko 390: uint64_t size;
1.40 parser 391: time_t atime, mtime, ctime;
1.273 moko 392: file_stat(r.full_disk_path(lfile_name), size, atime, mtime, ctime);
1.25 paf 393:
1.111 paf 394: VFile& self=GET_SELF(r, VFile);
1.167 misha 395:
1.258 moko 396: self.set_binary(true/*tainted*/, 0 /*no bytes*/, 0 /*fake size*/, &lfile_name, 0, &r);
1.111 paf 397: HashStringValue& ff=self.fields();
1.259 moko 398: ff.put(size_name, new VDouble((double)size) /*real size*/);
1.237 moko 399: ff.put(adate_name, new VDate((pa_time_t)atime));
400: ff.put(mdate_name, new VDate((pa_time_t)mtime));
401: ff.put(cdate_name, new VDate((pa_time_t)ctime));
1.25 paf 402: }
403:
1.111 paf 404: static bool is_safe_env_key(const char* key) {
405: for(const char* validator=key; *validator; validator++) {
406: char c=*validator;
1.234 moko 407: if(!( (c>='A' && c<='Z') || (c>='0' && c<='9') || (c=='_' || c=='-') ))
1.111 paf 408: return false;
409: }
1.205 pretende 410: #ifdef PA_SAFE_MODE
1.88 paf 411: if(strncasecmp(key, "HTTP_", 5)==0)
1.83 paf 412: return true;
1.87 paf 413: if(strncasecmp(key, "CGI_", 4)==0)
1.83 paf 414: return true;
415: for(int i=0; suexec_safe_env_lst[i]; i++) {
1.87 paf 416: if(strcasecmp(key, suexec_safe_env_lst[i])==0)
1.83 paf 417: return true;
418: }
419: return false;
1.205 pretende 420: #else
421: return true;
422: #endif
1.83 paf 423: }
1.90 paf 424: #ifndef DOXYGEN
425: struct Append_env_pair_info {
1.141 paf 426: Request_charsets* charsets;
1.111 paf 427: HashStringString* env;
1.100 paf 428: Value* vstdin;
1.90 paf 429: };
430: #endif
1.111 paf 431: static void append_env_pair(
1.180 misha 432: HashStringValue::key_type akey,
433: HashStringValue::value_type avalue,
434: Append_env_pair_info *info) {
1.111 paf 435: if(akey==STDIN_EXEC_PARAM_NAME) {
436: info->vstdin=avalue;
437: } else if(akey==CHARSET_EXEC_PARAM_NAME) {
1.141 paf 438: // ignore, already processed
1.90 paf 439: } else {
1.111 paf 440: if(!is_safe_env_key(akey.cstr()))
1.156 misha 441: throw Exception(PARSER_RUNTIME,
1.111 paf 442: new String(akey, String::L_TAINTED),
1.90 paf 443: "not safe environment variable");
1.196 misha 444: info->env->put(akey, avalue->as_string().cstr_to_string_body_untaint(String::L_AS_IS, 0, info->charsets));
1.90 paf 445: }
1.22 paf 446: }
1.94 paf 447: #ifndef DOXYGEN
448: struct Pass_cgi_header_attribute_info {
1.111 paf 449: Charset* charset;
450: HashStringValue* fields;
451: Value* content_type;
1.94 paf 452: };
453: #endif
1.111 paf 454: static void pass_cgi_header_attribute(
1.180 misha 455: ArrayString::element_type astring,
456: Pass_cgi_header_attribute_info* info) {
1.111 paf 457: size_t colon_pos=astring->pos(':');
1.130 paf 458: if(colon_pos!=STRING_NOT_FOUND) {
1.111 paf 459: const String& key=astring->mid(0, colon_pos).change_case(
460: *info->charset, String::CC_UPPER);
1.130 paf 461: Value* value=new VString(astring->mid(colon_pos+1, astring->length()).trim());
1.111 paf 462: info->fields->put(key, value);
1.181 misha 463: if(key==HTTP_CONTENT_TYPE_UPPER)
1.111 paf 464: info->content_type=value;
1.94 paf 465: }
1.29 paf 466: }
1.155 misha 467:
468: static void append_to_argv(Request& r, ArrayString& argv, const String* str){
1.283 moko 469: 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 470: }
471:
1.90 paf 472: /// @todo fix `` in perl - they produced flipping consoles and no output to perl
1.194 misha 473: static void _exec_cgi(Request& r, MethodParams& params, bool cgi) {
1.215 misha 474: bool is_text=true;
1.194 misha 475: size_t param_index=0;
1.215 misha 476: const String& mode=params.as_string(0, FIRST_ARG_MUST_NOT_BE_CODE);
477: if(VFile::is_valid_mode(mode)) {
478: is_text=VFile::is_text_mode(mode);
1.194 misha 479: param_index++;
1.162 misha 480: }
481:
482: if(param_index>=params.count())
1.215 misha 483: throw Exception(PARSER_RUNTIME, 0, FILE_NAME_MUST_BE_SPECIFIED);
1.162 misha 484:
1.273 moko 485: const String& script_name=r.full_disk_path(params.as_string(param_index++, FILE_NAME_MUST_NOT_BE_CODE));
1.23 paf 486:
1.111 paf 487: HashStringString env;
1.239 moko 488: #define ECSTR(name, value_cstr) if(value_cstr) env.put(#name, value_cstr);
1.233 moko 489: // passing environment
490: for(SAPI::Env::Iterator i(r.sapi_info); i; i.next() )
1.239 moko 491: env.put(i.key(), i.value() );
1.82 paf 492:
1.23 paf 493: // const
1.63 paf 494: ECSTR(GATEWAY_INTERFACE, "CGI/1.1");
1.231 moko 495: ECSTR(PARSER_VERSION, PARSER_VERSION);
1.23 paf 496: // from Request.info
1.111 paf 497: ECSTR(DOCUMENT_ROOT, r.request_info.document_root);
498: ECSTR(PATH_TRANSLATED, r.request_info.path_translated);
499: ECSTR(REQUEST_METHOD, r.request_info.method);
500: ECSTR(QUERY_STRING, r.request_info.query_string);
501: ECSTR(REQUEST_URI, r.request_info.uri);
502: ECSTR(CONTENT_TYPE, r.request_info.content_type);
1.282 moko 503: ECSTR(CONTENT_LENGTH, pa_uitoa(r.request_info.content_length));
1.82 paf 504: // SCRIPT_*
1.240 moko 505: env.put("SCRIPT_NAME", script_name);
1.23 paf 506:
1.90 paf 507: // environment & stdin from param
1.256 moko 508: bool in_is_text_mode=true;
509: String::C in;
1.109 paf 510: Charset *charset=0; // default script works raw_in 'source' charset = no transcoding needed
1.162 misha 511: if(param_index < params.count()) {
1.220 misha 512: if(HashStringValue* user_env=params.as_hash(param_index++, "env")) {
1.141 paf 513: // $.charset [previewing to handle URI pieces]
514: if(Value* vcharset=user_env->get(CHARSET_EXEC_PARAM_NAME))
1.251 moko 515: charset=&pa_charsets.get(vcharset->as_string());
1.141 paf 516:
517: // $.others
518: Append_env_pair_info info={&r.charsets, &env, 0};
519: {
1.144 paf 520: // influence tainting
521: // main target -- $.QUERY_STRING -- URLencoding of tainted pieces to String::L_URI lang
1.141 paf 522: Temp_client_charset temp(r.charsets, charset? *charset: r.charsets.source());
1.143 paf 523: user_env->for_each<Append_env_pair_info*>(append_env_pair, &info);
1.141 paf 524: }
1.109 paf 525: // $.stdin
1.103 paf 526: if(info.vstdin) {
1.111 paf 527: if(const String* sstdin=info.vstdin->get_string()) {
1.213 moko 528: // untaint stdin
1.256 moko 529: in = String::C(sstdin->cstr_to_string_body_untaint(String::L_AS_IS, r.connection(false), &r.charsets));
1.103 paf 530: } else
1.279 moko 531: if(VFile* vfile=dynamic_cast<VFile *>(info.vstdin)){
1.256 moko 532: in = String::C((const char* )vfile->value_ptr(), vfile->value_size());
533: in_is_text_mode = vfile->is_text_mode();
534: } else
535: throw Exception(PARSER_RUNTIME, 0, STDIN_EXEC_PARAM_NAME " parameter must be string or file");
1.103 paf 536: }
1.90 paf 537: }
1.21 paf 538: }
539:
1.90 paf 540: // argv from params
1.111 paf 541: ArrayString argv;
1.162 misha 542: if(param_index < params.count()) {
1.180 misha 543: // influence tainting
544: Temp_client_charset temp(r.charsets, charset? *charset: r.charsets.source());
1.154 misha 545:
1.162 misha 546: for(size_t i=param_index; i<params.count(); i++) {
1.161 misha 547: Value& param=params.as_no_junction(i, PARAM_MUST_NOT_BE_CODE);
1.283 moko 548: if(const String *string=param.get_string()){
549: append_to_argv(r, argv, string);
550: } else if(Table* table=param.get_table()){
551: for(size_t j=0; j<table->count(); j++)
552: append_to_argv(r, argv, table->get(j)->get(0));
553: } else if(VArray* array=dynamic_cast<VArray*>(¶m)){
554: for(ArrayValue::Iterator i(array->array()); i; i.next()){
555: if(i.value()){
556: const String *string=i.value()->get_string();
557: if(!string)
1.284 moko 558: i.value()->bark("array element is '%s', it does not have string value");
1.283 moko 559: append_to_argv(r, argv, string);
1.154 misha 560: }
561: }
1.283 moko 562: } else {
563: throw Exception(PARSER_RUNTIME, 0, "param must be string or table or array of strings");
1.145 misha 564: }
1.144 paf 565: }
1.286 ! moko 566:
! 567: // remove trailing empty arguments for backward compatibility
! 568: for(ArrayString::ReverseIterator i(argv); i;){
! 569: if(i.prev()->is_empty()){ // here for correct i.index()
! 570: argv.remove(i.index());
! 571: } else {
! 572: break;
! 573: }
! 574: }
1.21 paf 575: }
1.90 paf 576:
1.109 paf 577: // transcode if necessary
578: if(charset) {
1.111 paf 579: Charset::transcode(env, r.charsets.source(), *charset);
580: Charset::transcode(argv, r.charsets.source(), *charset);
1.256 moko 581: if(in_is_text_mode)
582: in=Charset::transcode(in, r.charsets.source(), *charset);
1.111 paf 583: }
584: // @todo
585: // ifdef WIN32 do OEM->ANSI transcode on some(.cmd?) programs to
586: // match silent conversion in OS
587:
588: // exec!
1.256 moko 589: PA_exec_result execution=pa_exec(false/*forced_allow*/, script_name, &env, argv, in);
1.111 paf 590:
1.162 misha 591: File_read_result *file_out=&execution.out;
1.111 paf 592: String *real_err=&execution.err;
1.162 misha 593:
1.165 misha 594: // transcode err if necessary (@todo: need fix line breaks in err as well )
595: if(charset)
596: real_err=&Charset::transcode(*real_err, *charset, r.charsets.source());
597:
1.215 misha 598: if(file_out->length && is_text){
1.162 misha 599: fix_line_breaks(file_out->str, file_out->length);
600: // treat output as string
1.188 misha 601: String *real_out = new String(file_out->str);
1.162 misha 602:
1.165 misha 603: // transcode out if necessary
604: if(charset)
1.162 misha 605: real_out=&Charset::transcode(*real_out, *charset, r.charsets.source());
1.165 misha 606:
1.162 misha 607: // FIXME: unsafe cast
1.163 misha 608: file_out->str=const_cast<char *>(real_out->cstr()); // hacking a little
1.162 misha 609: file_out->length = real_out->length();
1.109 paf 610: }
611:
1.111 paf 612: VFile& self=GET_SELF(r, VFile);
1.109 paf 613:
1.162 misha 614: if(cgi) { // ^file::cgi
1.163 misha 615: const char* eol_marker=0;
616: size_t eol_marker_size;
617:
1.111 paf 618: // construct with 'out' body and header
1.165 misha 619: size_t dos_pos=(file_out->length)?strpos(file_out->str, "\r\n\r\n"):STRING_NOT_FOUND;
620: size_t unix_pos=(file_out->length)?strpos(file_out->str, "\n\n"):STRING_NOT_FOUND;
1.111 paf 621:
622: bool unix_header_break;
623: switch((dos_pos!=STRING_NOT_FOUND?10:00) + (unix_pos!=STRING_NOT_FOUND?01:00)) {
1.166 misha 624: case 10: // dos
625: unix_header_break=false;
626: break;
627: case 01: // unix
628: unix_header_break=true;
629: break;
630: case 11: // dos & unix
631: unix_header_break=unix_pos<dos_pos;
632: break;
633: default: // 00
634: unix_header_break=false; // calm down, compiler
1.179 misha 635: throw Exception("file.execute",
1.166 misha 636: 0,
637: "output does not contain CGI header; "
638: "exit status=%d; stdoutsize=%u; stdout: \"%s\"; stderrsize=%u; stderr: \"%s\"",
639: execution.status,
1.194 misha 640: file_out->length, (file_out->length) ? (file_out->str) : "",
641: real_err->length(), real_err->cstr());
1.166 misha 642: break; //never reached
1.111 paf 643: }
644:
1.165 misha 645: size_t header_break_pos;
1.111 paf 646: if(unix_header_break) {
647: header_break_pos=unix_pos;
1.165 misha 648: eol_marker="\n";
649: eol_marker_size=1;
1.111 paf 650: } else {
651: header_break_pos=dos_pos;
1.165 misha 652: eol_marker="\r\n";
653: eol_marker_size=2;
1.111 paf 654: }
1.21 paf 655:
1.162 misha 656: file_out->str[header_break_pos] = 0;
1.188 misha 657: String *header=new String(file_out->str);
1.162 misha 658: unsigned long headersize = header_break_pos+eol_marker_size*2;
659: file_out->str += headersize;
660: file_out->length -= headersize;
661:
1.164 misha 662: // $body
1.221 misha 663: self.set(false/*not tainted*/, is_text, file_out->str, file_out->length);
1.164 misha 664:
1.162 misha 665: // $fields << header
1.194 misha 666: if(header) {
1.162 misha 667: ArrayString rows;
1.249 moko 668: header->split(rows, 0, eol_marker);
1.162 misha 669: Pass_cgi_header_attribute_info info={0, 0, 0};
670: info.charset=&r.charsets.source();
671: info.fields=&self.fields();
672: rows.for_each(pass_cgi_header_attribute, &info);
673: if(info.content_type)
674: self.fields().put(content_type_name, info.content_type);
675: }
1.164 misha 676: } else { // ^file::exec
1.166 misha 677: // $body
1.257 moko 678: 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 679: }
1.163 misha 680:
1.42 parser 681: // $status
1.111 paf 682: self.fields().put(file_status_name, new VInt(execution.status));
1.21 paf 683:
684: // $stderr
1.187 misha 685: if(!real_err->is_empty())
1.240 moko 686: self.fields().put("stderr", new VString(*real_err));
1.21 paf 687: }
1.111 paf 688: static void _exec(Request& r, MethodParams& params) {
689: _exec_cgi(r, params, false);
1.41 parser 690: }
1.111 paf 691: static void _cgi(Request& r, MethodParams& params) {
692: _exec_cgi(r, params, true);
1.41 parser 693: }
694:
1.111 paf 695: static void _list(Request& r, MethodParams& params) {
696: Value& relative_path=params.as_no_junction(0, "path must not be code");
1.47 parser 697:
1.227 moko 698: bool stat=false;
1.191 misha 699: VRegex* vregex=0;
1.184 misha 700: VRegexCleaner vrcleaner;
1.227 moko 701:
1.184 misha 702: if(params.count()>1){
1.227 moko 703: Value& voption=params.as_no_junction(1, "option must not be code");
704: if(voption.is_defined()) {
705: Value* vfilter=0;
706: if(HashStringValue* options=voption.get_hash()) {
707: int valid_options=0;
708: if(Value* vstat=options->get("stat")) {
1.252 moko 709: stat=r.process(*vstat).as_bool();
1.227 moko 710: valid_options++;
711: }
712: if(Value* value=options->get("filter")) {
713: vfilter=value;
1.230 moko 714: valid_options++;
1.227 moko 715: }
716: if(valid_options!=options->count())
717: throw Exception(PARSER_RUNTIME, 0, CALLED_WITH_INVALID_OPTION);
1.191 misha 718: } else {
1.227 moko 719: vfilter=&voption;
720: }
1.234 moko 721: if(vfilter) {
1.279 moko 722: if(VRegex* value=dynamic_cast<VRegex*>(vfilter)) {
723: vregex=value;
1.227 moko 724: } else if(vfilter->is_string()) {
725: if(!vfilter->get_string()->trim().is_empty()) {
726: vregex=new VRegex(r.charsets.source(), &vfilter->as_string(), 0/*options*/);
1.234 moko 727: vregex->study();
728: vrcleaner.vregex=vregex;
729: }
1.227 moko 730: } else {
731: throw Exception(PARSER_RUNTIME, 0, "filter must be regex or string");
732: }
1.234 moko 733: }
1.184 misha 734: }
1.114 paf 735: }
1.47 parser 736:
1.273 moko 737: const char* absolute_path_cstr=r.full_disk_path(relative_path.as_string()).taint_cstr(String::L_FILE_SPEC);
1.47 parser 738:
1.227 moko 739: Table::Action_options table_options;
740: Table& table=*new Table(file_list_table_template, table_options);
1.47 parser 741:
1.184 misha 742: const int ovector_size=(1/*match*/)*3;
743: int ovector[ovector_size];
744:
1.47 parser 745: LOAD_DIR(absolute_path_cstr,
1.261 moko 746: const char* file_name_cstr=ffblk.name();
1.111 paf 747: size_t file_name_size=strlen(file_name_cstr);
1.47 parser 748:
1.261 moko 749: if(!vregex || vregex->exec(file_name_cstr, file_name_size, ovector, ovector_size)>=0) {
1.111 paf 750: Table::element_type row(new ArrayString);
1.190 misha 751: *row+=new String(pa_strdup(file_name_cstr, file_name_size), String::L_TAINTED);
1.278 moko 752: *row+=new String(ffblk.is_dir(stat) ? "1" : "0", String::L_CLEAN);
1.227 moko 753: if(stat) {
754: *row+=VDouble(ffblk.size()).get_string();
1.278 moko 755: *row+=new String(pa_uitoa(ffblk.c_timestamp()), String::L_CLEAN);
756: *row+=new String(pa_uitoa(ffblk.m_timestamp()), String::L_CLEAN);
757: *row+=new String(pa_uitoa(ffblk.a_timestamp()), String::L_CLEAN);
1.227 moko 758: }
1.111 paf 759: table+=row;
1.47 parser 760: }
761: );
762:
1.60 parser 763: // write out result
1.255 moko 764: r.write(*new VTable(&table));
1.47 parser 765: }
1.21 paf 766:
1.69 paf 767: #ifndef DOXYGEN
768: struct Lock_execute_body_info {
1.111 paf 769: Request* r;
770: Value* body_code;
1.69 paf 771: };
772: #endif
1.235 moko 773:
1.111 paf 774: static void lock_execute_body(int , void *ainfo) {
775: Lock_execute_body_info& info=*static_cast<Lock_execute_body_info *>(ainfo);
1.69 paf 776: // execute body
1.255 moko 777: info.r->write(info.r->process(*info.body_code));
1.235 moko 778: }
779:
1.111 paf 780: static void _lock(Request& r, MethodParams& params) {
1.273 moko 781: const String& file_spec=r.full_disk_path(params.as_string(0, FILE_NAME_MUST_BE_STRING));
1.116 paf 782: Lock_execute_body_info info={
783: &r,
1.117 paf 784: ¶ms.as_junction(1, "body must be code")
1.116 paf 785: };
1.69 paf 786:
1.158 misha 787: file_write_action_under_lock(
788: file_spec,
789: "lock",
790: lock_execute_body,
791: &info);
1.69 paf 792: }
793:
1.219 misha 794: static size_t afterlastslash(const String& str) {
795: size_t pos=str.strrpbrk("/\\");
796: return pos!=STRING_NOT_FOUND?pos+1:0;
797: }
798:
799: static size_t afterlastslash(const String& str, size_t right) {
800: size_t pos=str.strrpbrk("/\\", 0, right);
801: return pos!=STRING_NOT_FOUND?pos+1:0;
802: }
803:
1.111 paf 804: static void _find(Request& r, MethodParams& params) {
1.215 misha 805: const String& file_name=params.as_string(0, FILE_NAME_MUST_NOT_BE_CODE);
1.219 misha 806:
1.215 misha 807: Value* not_found_code=(params.count()==2)?¶ms.as_junction(1, "not-found param must be code"):0;
808:
1.111 paf 809: const String* file_spec;
1.90 paf 810: if(file_name.first_char()=='/')
811: file_spec=&file_name;
812: else
1.111 paf 813: file_spec=&r.relative(r.request_info.uri, file_name);
1.90 paf 814:
815: // easy way
1.273 moko 816: if(file_exist(r.full_disk_path(*file_spec))) {
1.255 moko 817: r.write(*file_spec);
1.90 paf 818: return;
819: }
820:
821: // monkey way
1.219 misha 822: size_t last_slash=file_spec->strrpbrk("/\\");
823: const String& dirname=file_spec->mid(0, last_slash!=STRING_NOT_FOUND?last_slash:0);
824: const String& basename=file_spec->mid(last_slash!=STRING_NOT_FOUND?last_slash+1:0, file_spec->length());
825:
826: size_t rpos=dirname.is_empty()?0:dirname.length()-1;
827: while((rpos=dirname.rskipchars("/\\", 0, rpos))!=STRING_NOT_FOUND){
828: size_t slash=dirname.strrpbrk("/\\", 0, rpos);
829: if(slash==STRING_NOT_FOUND)
830: break;
1.111 paf 831: String test_name;
1.219 misha 832: test_name << dirname.mid(0, slash+1);
833: test_name << basename;
1.273 moko 834: if(file_exist(r.full_disk_path(test_name))) {
1.255 moko 835: r.write(test_name);
1.90 paf 836: return;
837: }
1.219 misha 838: rpos=slash;
1.90 paf 839: }
840:
841: // no way, not found
1.215 misha 842: if(not_found_code)
1.255 moko 843: r.write(r.process(*not_found_code));
1.90 paf 844: }
845:
1.111 paf 846: static void _dirname(Request& r, MethodParams& params) {
1.152 misha 847: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.219 misha 848: // works as *nix dirname
849:
850: // empty > .
851: // / > /
852: // /a > /
853: // /a/ > /
1.180 misha 854: // /a/some.tar.gz > /a
1.219 misha 855: // /a/b/ > /a
856: // /a///b/ > /a
857: // /a/b/// > /a
858: // file > .
859:
860: if(file_spec.is_empty()) {
1.255 moko 861: r.write(String("."));
1.219 misha 862: return;
863: }
864:
865: size_t p;
866: size_t slash;
867: if((p=file_spec.rskipchars("/\\"))==STRING_NOT_FOUND)
1.255 moko 868: r.write(String("/"));
1.219 misha 869: else {
870: if((slash=file_spec.strrpbrk("/\\", 0, p))!=STRING_NOT_FOUND) {
871: if((p=file_spec.rskipchars("/\\", 0, slash))==STRING_NOT_FOUND)
872: p=slash;
1.255 moko 873: r.write(file_spec.mid(0, p+1));
1.219 misha 874: return;
875: }
1.255 moko 876: r.write(String("."));
1.219 misha 877: }
1.89 paf 878: }
879:
1.111 paf 880: static void _basename(Request& r, MethodParams& params) {
1.152 misha 881: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.219 misha 882: // works as *nix basename
883:
884: // empty > .
885: // / > /
886: // /a > a
887: // /a/ > a
1.180 misha 888: // /a/some.tar.gz > some.tar.gz
1.219 misha 889: // /a/b/ > b
890: // /a///b/ > b
891: // /a/b/// > b
892: // file > file
893:
894: if(file_spec.is_empty()) {
1.255 moko 895: r.write(String("."));
1.219 misha 896: return;
897: }
898:
899: size_t p=file_spec.rskipchars("/\\");
900: if(p==STRING_NOT_FOUND)
1.255 moko 901: r.write(String("/"));
1.219 misha 902: else
1.255 moko 903: r.write(file_spec.mid(afterlastslash(file_spec, p), p+1));
1.89 paf 904: }
905:
1.111 paf 906: static void _justname(Request& r, MethodParams& params) {
1.152 misha 907: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.180 misha 908: // /a/some.tar.gz > some.tar
1.219 misha 909: // /a/b.c/ > empty
910: // /a/b.c > b
911: size_t pos=afterlastslash(file_spec);
912: size_t dotpos=file_spec.strrpbrk(".", pos);
1.255 moko 913: r.write(file_spec.mid(pos, dotpos!=STRING_NOT_FOUND?dotpos:file_spec.length()));
1.89 paf 914: }
1.219 misha 915:
1.111 paf 916: static void _justext(Request& r, MethodParams& params) {
1.152 misha 917: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.180 misha 918: // /a/some.tar.gz > gz
1.219 misha 919: // /a/b.c/ > empty
920: size_t pos=afterlastslash(file_spec);
921: size_t dotpos=file_spec.strrpbrk(".", pos);
922: if(dotpos!=STRING_NOT_FOUND)
1.255 moko 923: r.write(file_spec.mid(dotpos+1, file_spec.length()));
1.89 paf 924: }
925:
1.111 paf 926: static void _fullpath(Request& r, MethodParams& params) {
1.152 misha 927: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.111 paf 928: const String* result;
1.102 paf 929: if(file_spec.first_char()=='/')
930: result=&file_spec;
931: else {
932: // /some/page.html: ^file:fullpath[a.gif] => /some/a.gif
1.273 moko 933: const String& full_disk_path=r.full_disk_path(file_spec);
1.111 paf 934: size_t document_root_length=strlen(r.request_info.document_root);
1.106 paf 935:
936: if(document_root_length>0) {
1.111 paf 937: char last_char=r.request_info.document_root[document_root_length-1];
1.106 paf 938: if(last_char == '/' || last_char == '\\')
939: --document_root_length;
940: }
1.111 paf 941: result=&full_disk_path.mid(document_root_length, full_disk_path.length());
1.102 paf 942: }
1.255 moko 943: r.write(*result);
1.102 paf 944: }
945:
1.121 paf 946: static void _sql_string(Request& r, MethodParams&) {
947: VFile& self=GET_SELF(r, VFile);
948:
949: const char *quoted=r.connection()->quote(self.value_ptr(), self.value_size());
1.255 moko 950: r.write(*new String(quoted));
1.121 paf 951: }
1.89 paf 952:
1.122 paf 953: #ifndef DOXYGEN
954: class File_sql_event_handlers: public SQL_Driver_query_event_handlers {
955: int got_columns;
956: int got_cells;
1.280 moko 957: bool got_row;
1.122 paf 958: public:
959: String::C value;
1.131 paf 960: const String* user_file_name;
961: const String* user_content_type;
1.122 paf 962: public:
1.265 moko 963: File_sql_event_handlers():
1.122 paf 964: got_columns(0),
965: got_cells(0),
1.280 moko 966: got_row(false),
1.122 paf 967: user_file_name(0),
968: user_content_type(0) {}
969:
970: bool add_column(SQL_Error& error, const char* /*str*/, size_t /*length*/) {
971: if(got_columns++==3) {
1.280 moko 972: error=SQL_Error("result must contain no more than 3 columns");
1.122 paf 973: return true;
974: }
975: return false;
976: }
977: bool before_rows(SQL_Error& /*error*/ ) { /* ignore */ return false; }
1.280 moko 978: bool add_row(SQL_Error& error) {
979: if(got_row) {
980: error=SQL_Error("result must contain no more than 1 row");
981: return true;
982: }
983: got_row=true;
984: return false;
985: }
1.122 paf 986: bool add_row_cell(SQL_Error& error, const char* str, size_t length) {
987: try {
988: switch(got_cells++) {
989: case 0:
990: value=String::C(str, length);
991: break;
992: case 1:
1.131 paf 993: if(!user_file_name) // user not specified?
1.190 misha 994: user_file_name=new String(str, String::L_TAINTED);
1.122 paf 995: break;
996: case 2:
1.131 paf 997: if(!user_content_type) // user not specified?
1.190 misha 998: user_content_type=new String(str, String::L_TAINTED);
1.122 paf 999: break;
1000: default:
1.280 moko 1001: error=SQL_Error("result must contain no more than 1 row and 3 columns");
1.122 paf 1002: return true;
1003: }
1004: return false;
1005: } catch(...) {
1.263 moko 1006: error=SQL_Error("exception occurred in File_sql_event_handlers::add_row_cell");
1.122 paf 1007: return true;
1008: }
1009: }
1010: };
1011: #endif
1012: static void _sql(Request& r, MethodParams& params) {
1.131 paf 1013: Value& statement=params.as_junction(0, "statement must be code");
1.122 paf 1014:
1015: const String& statement_string=r.process_to_string(statement);
1.254 moko 1016: const char* statement_cstr=statement_string.untaint_cstr(String::L_SQL, r.connection());
1.195 misha 1017:
1.265 moko 1018: File_sql_event_handlers handlers;
1.131 paf 1019:
1.173 misha 1020: ulong limit=SQL_NO_LIMIT;
1.172 misha 1021: ulong offset=0;
1022:
1.131 paf 1023: if(params.count()>1)
1.220 misha 1024: if(HashStringValue* options=params.as_hash(1, "sql options")) {
1.131 paf 1025: int valid_options=0;
1026: if(Value* vfilename=options->get(NAME_NAME)) {
1027: valid_options++;
1028: handlers.user_file_name=&vfilename->as_string();
1029: }
1030: if(Value* vcontent_type=options->get(CONTENT_TYPE_NAME)) {
1031: valid_options++;
1032: handlers.user_content_type=&vcontent_type->as_string();
1033: }
1.173 misha 1034: if(Value* vlimit=options->get(sql_limit_name)) {
1035: valid_options++;
1.252 moko 1036: limit=(ulong)r.process(*vlimit).as_double();
1.173 misha 1037: }
1.172 misha 1038: if(Value* voffset=options->get(sql_offset_name)) {
1039: valid_options++;
1.252 moko 1040: offset=(ulong)r.process(*voffset).as_double();
1.172 misha 1041: }
1.131 paf 1042: if(valid_options!=options->count())
1.207 misha 1043: throw Exception(PARSER_RUNTIME, 0, CALLED_WITH_INVALID_OPTION);
1.131 paf 1044: }
1045:
1046:
1.265 moko 1047: r.connection()->query(statement_cstr, 0, 0, offset, limit, handlers, statement_string);
1.122 paf 1048:
1.238 moko 1049: if(!handlers.value.str)
1050: throw Exception(PARSER_RUNTIME, 0, "produced no result");
1.122 paf 1051:
1.215 misha 1052: VFile& self=GET_SELF(r, VFile);
1.122 paf 1053:
1.222 moko 1054: self.set_binary(true/*tainted*/, handlers.value.str, handlers.value.length, handlers.user_file_name
1.215 misha 1055: , handlers.user_content_type ? new VString(*handlers.user_content_type) : 0
1056: , &r);
1.122 paf 1057: }
1.140 paf 1058:
1.266 moko 1059: extern Base64Options base64_encode_options(Request& r, HashStringValue* options);
1060:
1061: Base64Options base64_decode_options(Request& r, HashStringValue* options, VString** vcontent_type) {
1062: Base64Options result;
1063: if(options) {
1064: int valid_options=0;
1065: for(HashStringValue::Iterator i(*options); i; i.next() ) {
1066: String::Body key=i.key();
1067: Value* value=i.value();
1068: if(key == "pad") {
1069: result.pad=r.process(*value).as_bool();
1070: valid_options++;
1071: } else if(key == "strict") {
1072: result.strict=r.process(*value).as_bool();
1073: valid_options++;
1074: } else if(key == CONTENT_TYPE_NAME) {
1075: *vcontent_type=new VString(value->as_string());
1076: valid_options++;
1077: } else if(key == "url-safe") {
1078: if(r.process(*value).as_bool())
1079: result.set_url_safe_abc();
1080: valid_options++;
1081: }
1082: }
1083:
1084: if(valid_options != options->count())
1085: throw Exception(PARSER_RUNTIME, 0, CALLED_WITH_INVALID_OPTION);
1086: }
1087: return result;
1088: }
1089:
1.139 paf 1090: static void _base64(Request& r, MethodParams& params) {
1.209 misha 1091: bool dynamic=!(&r.get_self() == file_class);
1092: if(dynamic) {
1.180 misha 1093: VFile& self=GET_SELF(r, VFile);
1.267 moko 1094: if(params.count()>1 || params.count()==1 && params[0].is_string()) {
1.209 misha 1095: // decode:
1096: // ^file::base64[encoded] // backward
1.217 misha 1097: // ^file::base64[mode;user-file-name;encoded[;$.content-type[...] $.strict(true|false)]]
1.209 misha 1098: bool is_text=false;
1.266 moko 1099: const String* user_file_name=0;
1.209 misha 1100: VString* vcontent_type=0;
1.266 moko 1101: Base64Options options;
1102:
1.209 misha 1103: size_t param_index=0;
1104:
1105: if(params.count() > 1) {
1106: if(params.count() < 3)
1.281 moko 1107: 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 1108:
1.215 misha 1109: is_text=VFile::is_text_mode(params.as_string(0, MODE_MUST_NOT_BE_CODE));
1110: user_file_name=¶ms.as_string(1, FILE_NAME_MUST_BE_STRING);
1.209 misha 1111:
1112: if(params.count() == 4)
1.266 moko 1113: options=base64_decode_options(r, params.as_hash(3), &vcontent_type);
1.209 misha 1114:
1115: param_index=2;
1116: }
1117:
1118: const char* encoded=params.as_string(param_index, PARAMETER_MUST_BE_STRING).cstr();
1119:
1.180 misha 1120: char* decoded=0;
1.268 moko 1121: size_t length=pa_base64_decode(encoded, strlen(encoded), decoded, options);
1.209 misha 1122:
1.221 misha 1123: self.set(true/*tainted*/, is_text, decoded, length, user_file_name, vcontent_type, &r);
1.180 misha 1124: } else {
1.266 moko 1125: // encode: ^f.base64[options]
1126: Base64Options options = base64_encode_options(r, params.count() > 0 ? params.as_hash(0) : NULL);
1127: const char* encoded=pa_base64_encode(self.value_ptr(), self.value_size(), options);
1128: r.write(*new String(encoded, String::L_TAINTED /*once ?param=base64(something) was needed**/ ));
1.180 misha 1129: }
1.151 misha 1130: } else {
1.266 moko 1131: // encode: ^file:base64[filespec[;options]]
1.272 moko 1132: if(params.count() > 2)
1133: throw Exception(PARSER_RUNTIME, 0, "accepts maximum 2 parameter(s) (has %d parameters)", params.count());
1134:
1.266 moko 1135: const String& file_spec = params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.273 moko 1136: File_read_result data = file_read_binary(r.full_disk_path(file_spec), true /*fail on problem*/);
1.272 moko 1137:
1.266 moko 1138: Base64Options options = base64_encode_options(r, params.count() > 1 ? params.as_hash(1) : NULL);
1.272 moko 1139: const char* encoded = pa_base64_encode(data.str, data.length, options);
1.266 moko 1140: r.write(*new String(encoded, String::L_TAINTED /*once ?param=base64(something) was needed*/ ));
1.151 misha 1141: }
1.139 paf 1142: }
1.140 paf 1143:
1.146 misha 1144: static void _crc32(Request& r, MethodParams& params) {
1.277 moko 1145: uint crc32 = 0;
1.146 misha 1146: if(&r.get_self() == file_class) {
1147: // ^file:crc32[file-name]
1148: if(params.count()) {
1.152 misha 1149: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.273 moko 1150: crc32=pa_crc32(r.full_disk_path(file_spec));
1.146 misha 1151: } else {
1.215 misha 1152: throw Exception(PARSER_RUNTIME, 0, FILE_NAME_MUST_BE_SPECIFIED);
1.146 misha 1153: }
1154: } else {
1155: // ^file.crc32[]
1156: VFile& self=GET_SELF(r, VFile);
1157: crc32=pa_crc32(self.value_ptr(), self.value_size());
1158: }
1.277 moko 1159: r.write(*new VDouble(crc32));
1.146 misha 1160: }
1161:
1162:
1.243 moko 1163: static void file_md5_file_action(struct stat& finfo, int f, const String&, void *context)
1.147 misha 1164: {
1165: PA_MD5_CTX& md5context=*static_cast<PA_MD5_CTX *>(context);
1166: if(finfo.st_size) {
1.148 misha 1167: int nCount=0;
1.147 misha 1168: do {
1169: unsigned char buffer[FILE_BUFFER_SIZE];
1.150 misha 1170: nCount = file_block_read(f, buffer, sizeof(buffer));
1.147 misha 1171: if ( nCount ){
1172: pa_MD5Update(&md5context, (const unsigned char*)buffer, nCount);
1173: }
1.148 misha 1174: } while(nCount > 0);
1.147 misha 1175: }
1176: }
1177:
1178: const char* pa_md5(const String& file_spec)
1179: {
1180: PA_MD5_CTX context;
1181: unsigned char digest[16];
1182: pa_MD5Init(&context);
1183: file_read_action_under_lock(file_spec, "md5", file_md5_file_action, &context);
1184: pa_MD5Final(digest, &context);
1185:
1186: return hex_string(digest, sizeof(digest), false);
1187: }
1188:
1189: const char* pa_md5(const char *in, size_t in_size)
1190: {
1191: PA_MD5_CTX context;
1192: unsigned char digest[16];
1193: pa_MD5Init(&context);
1194: pa_MD5Update(&context, (const unsigned char*)in, in_size);
1195: pa_MD5Final(digest, &context);
1196:
1197: return hex_string(digest, sizeof(digest), false);
1198: }
1199:
1200: static void _md5(Request& r, MethodParams& params) {
1201: const char* md5;
1202: if(&r.get_self() == file_class) {
1203: // ^file:md5[file-name]
1204: if(params.count()) {
1.152 misha 1205: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.273 moko 1206: md5=pa_md5(r.full_disk_path(file_spec));
1.147 misha 1207: } else {
1.215 misha 1208: throw Exception(PARSER_RUNTIME, 0, FILE_NAME_MUST_BE_SPECIFIED);
1.147 misha 1209: }
1210: } else {
1211: // ^file.md5[]
1212: VFile& self=GET_SELF(r, VFile);
1213: md5=pa_md5(self.value_ptr(), self.value_size());
1214:
1215: }
1.255 moko 1216: r.write(*new String(md5));
1.147 misha 1217: }
1218:
1.32 paf 1219: // constructor
1220:
1.111 paf 1221: MFile::MFile(): Methoded("file") {
1.215 misha 1222: // ^file::create[text|binary;file-name;string-or-file[;options hash]]
1223: // ^file::create[string-or-file[;options hash]]
1224: add_native_method("create", Method::CT_DYNAMIC, _create, 1, 4);
1.138 paf 1225:
1.146 misha 1226: // ^file.save[mode;file-name]
1.201 misha 1227: // ^file.save[mode;file-name;$.charset[...]]
1228: add_native_method("save", Method::CT_DYNAMIC, _save, 2, 3);
1.7 paf 1229:
1.146 misha 1230: // ^file:delete[file-name]
1.225 misha 1231: // ^file:delete[file-name;$.keep-empty-dir(true)$.exception(false)]
1.224 misha 1232: add_native_method("delete", Method::CT_STATIC, _delete, 1, 2);
1.45 parser 1233:
1.146 misha 1234: // ^file:move[from-file-name;to-file-name]
1.224 misha 1235: // ^file:move[from-file-name;to-file-name;$.keep-empty-dir(true)]
1236: add_native_method("move", Method::CT_STATIC, _move, 2, 3);
1.8 paf 1237:
1.146 misha 1238: // ^file::load[mode;disk-name]
1239: // ^file::load[mode;disk-name;user-name]
1.201 misha 1240: // ^file::load[mode;disk-name;user-name;options hash]
1241: // ^file::load[mode;disk-name;options hash]
1.180 misha 1242: add_native_method("load", Method::CT_DYNAMIC, _load, 2, 4);
1.25 paf 1243:
1.146 misha 1244: // ^file::stat[disk-name]
1.32 paf 1245: add_native_method("stat", Method::CT_DYNAMIC, _stat, 1, 1);
1.21 paf 1246:
1.162 misha 1247: // ^file::cgi[mode;file-name]
1248: // ^file::cgi[mode;file-name;env hash]
1249: // ^file::cgi[mode;file-name;env hash;1cmd;2line;3ar;4g;5s]
1250: add_native_method("cgi", Method::CT_DYNAMIC, _cgi, 1, 3+50);
1251:
1252: // ^file::exec[mode;file-name]
1253: // ^file::exec[mode;file-name;env hash]
1254: // ^file::exec[mode;file-name;env hash;1cmd;2line;3ar;4g;5s]
1255: add_native_method("exec", Method::CT_DYNAMIC, _exec, 1, 3+50);
1.47 parser 1256:
1257: // ^file:list[path]
1258: // ^file:list[path][regexp]
1.228 moko 1259: // ^file:list[path][$.filter[regexp] $.stat(true)]
1.47 parser 1260: add_native_method("list", Method::CT_STATIC, _list, 1, 2);
1.69 paf 1261:
1262: // ^file:lock[path]{code}
1263: add_native_method("lock", Method::CT_STATIC, _lock, 2, 2);
1.90 paf 1264:
1.146 misha 1265: // ^file:find[file-name]
1266: // ^file:find[file-name]{when-not-found}
1.90 paf 1267: add_native_method("find", Method::CT_STATIC, _find, 1, 2);
1.47 parser 1268:
1.201 misha 1269: // ^file:dirname[/a/some.tar.gz]=/a
1.89 paf 1270: // ^file:dirname[/a/b/]=/a
1271: add_native_method("dirname", Method::CT_STATIC, _dirname, 1, 1);
1.201 misha 1272: // ^file:basename[/a/some.tar.gz]=some.tar.gz
1273: add_native_method("basename", Method::CT_STATIC, _basename, 1, 1);
1274: // ^file:justname[/a/some.tar.gz]=some.tar
1.89 paf 1275: add_native_method("justname", Method::CT_STATIC, _justname, 1, 1);
1.201 misha 1276: // ^file:justext[/a/some.tar.gz]=gz
1.89 paf 1277: add_native_method("justext", Method::CT_STATIC, _justext, 1, 1);
1.201 misha 1278: // /some/page.html: ^file:fullpath[a.gif] => /some/a.gif
1.102 paf 1279: add_native_method("fullpath", Method::CT_STATIC, _fullpath, 1, 1);
1.121 paf 1280:
1.201 misha 1281: // ^file.sql-string[]
1.121 paf 1282: add_native_method("sql-string", Method::CT_DYNAMIC, _sql_string, 0, 0);
1.122 paf 1283:
1.209 misha 1284: // ^file::sql{}
1.201 misha 1285: // ^file::sql{}[options hash]
1.122 paf 1286: add_native_method("sql", Method::CT_DYNAMIC, _sql, 1, 2);
1.139 paf 1287:
1.209 misha 1288: // encode:
1289: // ^file.base64[]
1290: // ^file:base64[file-name]
1291: // decode:
1292: // ^file::base64[encoded] // backward
1293: // ^file::base64[mode;user-file-name;encoded]
1294: // ^file::base64[mode;user-file-name;encoded;$.content-type[...]]
1295: add_native_method("base64", Method::CT_ANY, _base64, 0, 4);
1.146 misha 1296:
1297: // ^file.crc32[]
1298: // ^file:crc32[file-name]
1299: add_native_method("crc32", Method::CT_ANY, _crc32, 0, 1);
1.147 misha 1300:
1301: // ^file.md5[]
1302: // ^file:md5[file-name]
1303: add_native_method("md5", Method::CT_ANY, _md5, 0, 1);
1304:
1.148 misha 1305: // ^file:copy[from-file-name;to-file-name]
1.264 moko 1306: // ^file:copy[from-file-name;to-file-name;$.append(false)]
1307: add_native_method("copy", Method::CT_STATIC, _copy, 2, 3);
1.1 paf 1308: }
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