Annotation of parser3/src/classes/file.C, revision 1.31.2.2
1.17 paf 1: /** @file
2: Parser: @b file parser class.
3:
1.1 paf 4: Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com)
1.17 paf 5:
1.1 paf 6: Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf)
7:
1.31.2.2! paf 8: $Id: file.C,v 1.31.2.1 2001/04/27 15:19:22 paf Exp $
1.1 paf 9: */
10:
1.31.2.2! paf 11: #include "classes.h"
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"
1.1 paf 17:
1.31.2.1 paf 18: // defines
19:
20: #define FILE_CLASS_NAME "file"
21:
22: // class
1.9 paf 23:
1.31.2.1 paf 24: class MFile : public Methoded {
25: public:
26: MFile(Pool& pool);
27: bool used_directly() { return true; }
28: };
1.1 paf 29:
1.31.2.1 paf 30: // consts
31:
32: const int FIND_MONKEY_MAX_HOPS=10;
1.1 paf 33:
34: // methods
35:
1.26 paf 36: static void _save(Request& r, const String&, MethodParams *params) {
37: Value& vfile_name=params->get_no_junction(0, "file name must not be code");
1.4 paf 38:
1.7 paf 39: // save
1.18 paf 40: static_cast<VFile *>(r.self)->save(r.absolute(vfile_name.as_string()));
1.7 paf 41: }
42:
1.26 paf 43: static void _delete(Request& r, const String&, MethodParams *params) {
1.7 paf 44: Pool& pool=r.pool();
1.26 paf 45: Value& vfile_name=params->get_no_junction(0, "file name must not be code");
1.7 paf 46:
47: // unlink
1.18 paf 48: file_delete(pool, r.absolute(vfile_name.as_string()));
1.1 paf 49: }
50:
1.26 paf 51: static void _find(Request& r, const String& method_name, MethodParams *params) {
1.8 paf 52: Pool& pool=r.pool();
1.26 paf 53: Value& vfile_name=params->get_no_junction(0, "file name must not be code");
1.8 paf 54:
1.18 paf 55: const String &lfile_name=vfile_name.as_string();
1.8 paf 56:
57: // passed file name simply exists in current dir
58: if(file_readable(r.absolute(lfile_name))) {
59: r.write_no_lang(*new(pool) VString(lfile_name));
60: return;
61: }
62:
63: // scan .. dirs for result
1.9 paf 64: for(int i=0; i<FIND_MONKEY_MAX_HOPS; i++) {
1.8 paf 65: String test_name(pool);
66: for(int j=0; j<i; j++)
67: test_name.APPEND_CONST("../");
1.15 paf 68: test_name.append(lfile_name, String::UL_CLEAN);
1.8 paf 69: if(file_readable(r.absolute(test_name))) {
70: r.write_no_lang(*new(pool) VString(*new(pool) String(test_name)));
71: return;
72: }
73: }
74:
75: // not found
76: if(params->size()==2) {
1.26 paf 77: Value& not_found_code=params->get_junction(1, "not-found param must be code");
1.8 paf 78: r.write_pass_lang(r.process(not_found_code));
79: }
80: }
81:
1.26 paf 82: static void _load(Request& r, const String& method_name, MethodParams *params) {
1.9 paf 83: Pool& pool=r.pool();
1.26 paf 84: Value& vfile_name=params->get_no_junction(0, "file name must not be code");
1.9 paf 85:
1.18 paf 86: const String& lfile_name=vfile_name.as_string();
1.9 paf 87:
1.12 paf 88: void *data; size_t size;
1.9 paf 89: file_read(pool, r.absolute(lfile_name), data, size, false/*binary*/);
90:
1.18 paf 91: char *user_file_name=params->size()==1?lfile_name.cstr(String::UL_FILE_NAME)
1.26 paf 92: :params->get(1).as_string().cstr();
1.10 paf 93:
1.21 paf 94: static_cast<VFile *>(r.self)->set(true/*tainted*/, data, size,
1.20 paf 95: user_file_name, &r.mime_type_of(user_file_name));
1.9 paf 96: }
97:
1.26 paf 98: static void _stat(Request& r, const String& method_name, MethodParams *params) {
1.25 paf 99: Pool& pool=r.pool();
1.26 paf 100: Value& vfile_name=params->get_no_junction(0, "file name must not be code");
1.25 paf 101:
102: const String& lfile_name=vfile_name.as_string();
103:
104: size_t size=file_size(r.absolute(lfile_name));
105:
106: static_cast<VFile *>(r.self)->set(true/*tainted*/, 0/*no bytes*/, size);
107: }
108:
1.22 paf 109: static void append_env_pair(const Hash::Key& key, Hash::Val *value, void *info) {
110: Hash& hash=*static_cast<Hash *>(info);
111: hash.put(key, &static_cast<Value *>(value)->as_string());
112: }
1.29 paf 113:
114: static void pass_cgi_header_attribute(Array::Item *value, void *info) {
115: String& string=*static_cast<String *>(value);
116: Hash& hash=*static_cast<Hash *>(info);
117: int colon_pos=string.pos(":", 1);
118: if(colon_pos>0)
1.30 paf 119: hash.put(string.mid(0, colon_pos),
120: new(string.pool()) VString(string.mid(colon_pos+1, string.size())));
1.29 paf 121: }
1.28 paf 122: /**
123: ^exec[file-name]
124: ^exec[file-name;env hash]
125: ^exec[file-name;env hash;cmd;line;arg;s]
126: @todo fix `` in perl - they produced flipping consoles and no output to perl
127: */
1.26 paf 128: static void _cgi(Request& r, const String& method_name, MethodParams *params) {
1.21 paf 129: Pool& pool=r.pool();
130:
1.26 paf 131: Value& vfile_name=params->get_no_junction(0, "file name must not be code");
1.21 paf 132:
1.23 paf 133: const String& script_name=r.absolute(vfile_name.as_string());
134:
135: Hash env(pool);
136: #define PASS(key) \
137: String key(pool); \
138: if(const char *value=SAPI::get_env(pool, #key)) { \
139: key.APPEND_CONST(value); \
140: env.put(String(pool, #key), &key); \
141: }
142: #define INFO(key, value) \
143: String value(pool); \
144: if(r.info.value) { \
145: value.APPEND_CONST(r.info.value); \
146: env.put(String(pool, key), &value); \
147: }
148:
149: // const
150: String gateway_interface(pool, "CGI/1.1");
151: env.put(String(pool, "GATEWAY_INTERFACE"), &gateway_interface);
152: // from Request.info
153: INFO("DOCUMENT_ROOT", document_root);
154: INFO("PATH_TRANSLATED", path_translated);
155: INFO("SERVER_PROTOCOL", method);
156: INFO("QUERY_STRING", query_string);
157: INFO("REQUEST_URI", uri);
158: INFO("CONTENT_TYPE", content_type);
159: char content_length_cstr[MAX_NUMBER];
160: snprintf(content_length_cstr, MAX_NUMBER, "%u", r.info.content_length);
161: String content_length(pool, content_length_cstr);
162: env.put(String(pool, "CONTENT_LENGTH"), &content_length);
163: INFO("HTTP_COOKIE", cookie);
164: INFO("HTTP_USER_AGENT", user_agent);
165: // passing some SAPI:get_env-s
166: PASS(SERVER_NAME);
167: PASS(SERVER_PORT);
168: PASS(HTTP_REFERER);
169: PASS(REMOTE_ADDR);
170: PASS(REMOTE_HOST);
171: PASS(REMOTE_USER);
172: // SCRIPT_NAME
173: env.put(String(pool, "SCRIPT_NAME"), &script_name);
1.27 paf 174: #ifdef WIN32
175: // WIN32 shell
176: PASS(COMSPEC);
177: #endif
1.23 paf 178:
1.21 paf 179: if(params->size()>1) {
1.26 paf 180: Value& venv=params->get_no_junction(1, "env must not be code");
1.23 paf 181: if(Hash *user_env=venv.get_hash())
182: user_env->for_each(append_env_pair, &env);
183: else
1.21 paf 184: PTHROW(0, 0,
185: &method_name,
186: "env must be hash");
187: }
188:
189: Array *argv=0;
190: if(params->size()>2) {
191: argv=new(pool) Array(pool, params->size()-2);
192: for(int i=2; i<params->size(); i++)
1.26 paf 193: *argv+=¶ms->get(i).as_string();
1.21 paf 194: }
195:
196: const String in(pool, r.post_data, r.post_size);
197: String out(pool);
1.31 paf 198: //out.APPEND_CONST("content-type:text/plain\nheader:test-header\n\ntest-body");
199: //out<<in;
1.27 paf 200: String& err=*new(pool) String(pool);
1.30 paf 201: int exit_code=pa_exec(script_name, &env, argv, in, out, err);
1.21 paf 202:
203: VFile& self=*static_cast<VFile *>(r.self);
204: // construct with 'out' body and header
205: int delim_size;
1.30 paf 206: const char *eol_marker="\r\n"; size_t eol_marker_size=2;
207: int pos=out.pos("\r\n\r\n", delim_size=4);
1.29 paf 208: if(pos<0) {
1.30 paf 209: eol_marker="\n"; eol_marker_size=1;
210: pos=out.pos("\n\n", delim_size=2);
1.29 paf 211: }
1.21 paf 212: if(pos<0) {
1.22 paf 213: delim_size=0; // calm down, compiler
1.21 paf 214: PTHROW(0, 0,
215: &method_name,
1.27 paf 216: "output does not contain CGI header; exit code=%d; size=%u; text: \"%s\"",
217: exit_code, (uint)out.size(), out.cstr());
1.21 paf 218: }
219:
220: const String& header=out.mid(0, pos);
221: const String& body=out.mid(pos+delim_size, out.size());
222:
1.30 paf 223: // body
224: self.set(false/*not tainted*/, body.cstr(String::UL_AS_IS), body.size());
225:
226: // header to $fields
1.29 paf 227: {
228: Array rows(pool);
1.30 paf 229: header.split(rows, 0, eol_marker, eol_marker_size, String::UL_CLEAN);
1.29 paf 230: rows.for_each(pass_cgi_header_attribute, &self.fields());
231: }
1.21 paf 232:
233: // $exit-code
234: self.fields().put(
235: *new(pool) String(pool, "exit-code"),
236: new(pool) VInt(pool, exit_code));
237:
238: // $stderr
239: if(err.size()) {
240: self.fields().put(
241: *new(pool) String(pool, "stderr"),
242: new(pool) VString(err));
243:
244: SAPI::log(pool, "cgi: %s", err.cstr());
245: }
246: }
247:
1.31.2.1 paf 248: // constructor
249:
1.31.2.2! paf 250: MFile::MFile(Pool& pool) : Methoded(pool) {
1.31.2.1 paf 251: set_name(NEW String(pool, FILE_CLASS_NAME));
252:
1.1 paf 253:
254: // ^save[file-name]
1.31.2.1 paf 255: add_native_method("save", Method::CT_DYNAMIC, _save, 1, 1);
1.7 paf 256:
257: // ^delete[file-name]
1.31.2.1 paf 258: add_native_method("delete", Method::CT_STATIC, _delete, 1, 1);
1.8 paf 259:
260: // ^find[file-name]
261: // ^find[file-name]{when-not-found}
1.31.2.1 paf 262: add_native_method("find", Method::CT_STATIC, _find, 1, 2);
1.9 paf 263:
264: // ^load[disk-name]
265: // ^load[disk-name;user-name]
1.31.2.1 paf 266: add_native_method("load", Method::CT_DYNAMIC, _load, 1, 2);
1.25 paf 267:
268: // ^stat[disk-name]
1.31.2.1 paf 269: add_native_method("stat", Method::CT_DYNAMIC, _stat, 1, 1);
1.21 paf 270:
271: // ^exec[file-name]
272: // ^exec[file-name;env hash]
273: // ^exec[file-name;env hash;1cmd;2line;3ar;4g;5s]
1.31.2.1 paf 274: add_native_method("cgi", Method::CT_DYNAMIC, _cgi, 1, 2+5);
275: }
276:
277: // global variable
278:
279: Methoded *file_class;
280:
281: // creator
282:
283: Methoded *MFile_create(Pool& pool) {
284: return new(pool) MFile(pool);
1.1 paf 285: }
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