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network.php

621 lines

1	<?php
2
3	namespace ProfilePressVendor\Safe;
4
5	use ProfilePressVendor\Safe\Exceptions\NetworkException;
6	/**
7	* closelog closes the descriptor being used to write to
8	* the system logger. The use of closelog is optional.
9	*
10	* @throws NetworkException
11	*
12	*/
13	function closelog(): void
14	{
15	error_clear_last();
16	$result = \closelog();
17	if ($result === \false) {
18	throw NetworkException::createFromPhpError();
19	}
20	}
21	/**
22	* Fetch DNS Resource Records associated with the given
23	* hostname.
24	*
25	* @param string $hostname hostname should be a valid DNS hostname such
26	* as "www.example.com". Reverse lookups can be generated
27	* using in-addr.arpa notation, but
28	* gethostbyaddr is more suitable for
29	* the majority of reverse lookups.
30	*
31	* Per DNS standards, email addresses are given in user.host format (for
32	* example: hostmaster.example.com as opposed to hostmaster@example.com),
33	* be sure to check this value and modify if necessary before using it
34	* with a functions such as mail.
35	* @param int $type By default, dns_get_record will search for any
36	* resource records associated with hostname.
37	* To limit the query, specify the optional type
38	* parameter. May be any one of the following:
39	* DNS_A, DNS_CNAME,
40	* DNS_HINFO, DNS_CAA,
41	* DNS_MX, DNS_NS,
42	* DNS_PTR, DNS_SOA,
43	* DNS_TXT, DNS_AAAA,
44	* DNS_SRV, DNS_NAPTR,
45	* DNS_A6, DNS_ALL
46	* or DNS_ANY.
47	*
48	* Because of eccentricities in the performance of libresolv
49	* between platforms, DNS_ANY will not
50	* always return every record, the slower DNS_ALL
51	* will collect all records more reliably.
52	*
53	* DNS_CAA is not supported on Windows.
54	* @param array\|null $authns Passed by reference and, if given, will be populated with Resource
55	* Records for the Authoritative Name Servers.
56	* @param array\|null $addtl Passed by reference and, if given, will be populated with any
57	* Additional Records.
58	* @param bool $raw The type will be interpreted as a raw DNS type ID
59	* (the DNS_* constants cannot be used).
60	* The return value will contain a data key, which needs
61	* to be manually parsed.
62	* @return array This function returns an array of associative arrays. Each associative array contains
63	* at minimum the following keys:
64	*
65	* Basic DNS attributes
66	*
67	*
68	*
69	* Attribute
70	* Meaning
71	*
72	*
73	*
74	*
75	* host
76	*
77	* The record in the DNS namespace to which the rest of the associated data refers.
78	*
79	*
80	*
81	* class
82	*
83	* dns_get_record only returns Internet class records and as
84	* such this parameter will always return IN.
85	*
86	*
87	*
88	* type
89	*
90	* String containing the record type. Additional attributes will also be contained
91	* in the resulting array dependant on the value of type. See table below.
92	*
93	*
94	*
95	* ttl
96	*
97	* "Time To Live" remaining for this record. This will not equal
98	* the record's original ttl, but will rather equal the original ttl minus whatever
99	* length of time has passed since the authoritative name server was queried.
100	*
101	*
102	*
103	*
104	*
105	*
106	*
107	* Other keys in associative arrays dependant on 'type'
108	*
109	*
110	*
111	* Type
112	* Extra Columns
113	*
114	*
115	*
116	*
117	* A
118	*
119	* ip: An IPv4 addresses in dotted decimal notation.
120	*
121	*
122	*
123	* MX
124	*
125	* pri: Priority of mail exchanger.
126	* Lower numbers indicate greater priority.
127	* target: FQDN of the mail exchanger.
128	* See also dns_get_mx.
129	*
130	*
131	*
132	* CNAME
133	*
134	* target: FQDN of location in DNS namespace to which
135	* the record is aliased.
136	*
137	*
138	*
139	* NS
140	*
141	* target: FQDN of the name server which is authoritative
142	* for this hostname.
143	*
144	*
145	*
146	* PTR
147	*
148	* target: Location within the DNS namespace to which
149	* this record points.
150	*
151	*
152	*
153	* TXT
154	*
155	* txt: Arbitrary string data associated with this record.
156	*
157	*
158	*
159	* HINFO
160	*
161	* cpu: IANA number designating the CPU of the machine
162	* referenced by this record.
163	* os: IANA number designating the Operating System on
164	* the machine referenced by this record.
165	* See IANA's Operating System
166	* Names for the meaning of these values.
167	*
168	*
169	*
170	* CAA
171	*
172	* flags: A one-byte bitfield; currently only bit 0 is defined,
173	* meaning 'critical'; other bits are reserved and should be ignored.
174	* tag: The CAA tag name (alphanumeric ASCII string).
175	* value: The CAA tag value (binary string, may use subformats).
176	* For additional information see: RFC 6844
177	*
178	*
179	*
180	* SOA
181	*
182	* mname: FQDN of the machine from which the resource
183	* records originated.
184	* rname: Email address of the administrative contact
185	* for this domain.
186	* serial: Serial # of this revision of the requested
187	* domain.
188	* refresh: Refresh interval (seconds) secondary name
189	* servers should use when updating remote copies of this domain.
190	* retry: Length of time (seconds) to wait after a
191	* failed refresh before making a second attempt.
192	* expire: Maximum length of time (seconds) a secondary
193	* DNS server should retain remote copies of the zone data without a
194	* successful refresh before discarding.
195	* minimum-ttl: Minimum length of time (seconds) a
196	* client can continue to use a DNS resolution before it should request
197	* a new resolution from the server. Can be overridden by individual
198	* resource records.
199	*
200	*
201	*
202	* AAAA
203	*
204	* ipv6: IPv6 address
205	*
206	*
207	*
208	* A6(PHP >= 5.1.0)
209	*
210	* masklen: Length (in bits) to inherit from the target
211	* specified by chain.
212	* ipv6: Address for this specific record to merge with
213	* chain.
214	* chain: Parent record to merge with
215	* ipv6 data.
216	*
217	*
218	*
219	* SRV
220	*
221	* pri: (Priority) lowest priorities should be used first.
222	* weight: Ranking to weight which of commonly prioritized
223	* targets should be chosen at random.
224	* target and port: hostname and port
225	* where the requested service can be found.
226	* For additional information see: RFC 2782
227	*
228	*
229	*
230	* NAPTR
231	*
232	* order and pref: Equivalent to
233	* pri and weight above.
234	* flags, services, regex,
235	* and replacement: Parameters as defined by
236	* RFC 2915.
237	*
238	*
239	*
240	*
241	*
242	* @throws NetworkException
243	*
244	*/
245	function dns_get_record(string $hostname, int $type = \DNS_ANY, ?array &$authns = null, ?array &$addtl = null, bool $raw = \false): array
246	{
247	error_clear_last();
248	$result = \dns_get_record($hostname, $type, $authns, $addtl, $raw);
249	if ($result === \false) {
250	throw NetworkException::createFromPhpError();
251	}
252	return $result;
253	}
254	/**
255	* Initiates a socket connection to the resource specified by
256	* hostname.
257	*
258	* PHP supports targets in the Internet and Unix domains as described in
259	* . A list of supported transports can also be
260	* retrieved using stream_get_transports.
261	*
262	* The socket will by default be opened in blocking mode. You can
263	* switch it to non-blocking mode by using
264	* stream_set_blocking.
265	*
266	* The function stream_socket_client is similar but
267	* provides a richer set of options, including non-blocking connection and the
268	* ability to provide a stream context.
269	*
270	* @param string $hostname If OpenSSL support is
271	* installed, you may prefix the hostname
272	* with either ssl:// or tls:// to
273	* use an SSL or TLS client connection over TCP/IP to connect to the
274	* remote host.
275	* @param int $port The port number. This can be omitted and skipped with
276	* -1 for transports that do not use ports, such as
277	* unix://.
278	* @param int\|null $errno If provided, holds the system level error number that occurred in the
279	* system-level connect() call.
280	*
281	* If the value returned in errno is
282	* 0 and the function returned FALSE, it is an
283	* indication that the error occurred before the
284	* connect() call. This is most likely due to a
285	* problem initializing the socket.
286	* @param string\|null $errstr The error message as a string.
287	* @param float $timeout The connection timeout, in seconds.
288	*
289	* If you need to set a timeout for reading/writing data over the
290	* socket, use stream_set_timeout, as the
291	* timeout parameter to
292	* fsockopen only applies while connecting the
293	* socket.
294	* @return resource fsockopen returns a file pointer which may be used
295	* together with the other file functions (such as
296	* fgets, fgetss,
297	* fwrite, fclose, and
298	* feof). If the call fails, it will return FALSE
299	* @throws NetworkException
300	*
301	*/
302	function fsockopen(string $hostname, int $port = -1, ?int &$errno = null, ?string &$errstr = null, float $timeout = null)
303	{
304	error_clear_last();
305	if ($timeout !== null) {
306	$result = \fsockopen($hostname, $port, $errno, $errstr, $timeout);
307	} else {
308	$result = \fsockopen($hostname, $port, $errno, $errstr);
309	}
310	if ($result === \false) {
311	throw NetworkException::createFromPhpError();
312	}
313	return $result;
314	}
315	/**
316	* gethostname gets the standard host name for
317	* the local machine.
318	*
319	* @return string Returns a string with the hostname on success, otherwise FALSE is
320	* returned.
321	* @throws NetworkException
322	*
323	*/
324	function gethostname(): string
325	{
326	error_clear_last();
327	$result = \gethostname();
328	if ($result === \false) {
329	throw NetworkException::createFromPhpError();
330	}
331	return $result;
332	}
333	/**
334	* getprotobyname returns the protocol number
335	* associated with the protocol name as per
336	* /etc/protocols.
337	*
338	* @param string $name The protocol name.
339	* @return int Returns the protocol number.
340	* @throws NetworkException
341	*
342	*/
343	function getprotobyname(string $name): int
344	{
345	error_clear_last();
346	$result = \getprotobyname($name);
347	if ($result === \false) {
348	throw NetworkException::createFromPhpError();
349	}
350	return $result;
351	}
352	/**
353	* getprotobynumber returns the protocol name
354	* associated with protocol number as per
355	* /etc/protocols.
356	*
357	* @param int $number The protocol number.
358	* @return string Returns the protocol name as a string.
359	* @throws NetworkException
360	*
361	*/
362	function getprotobynumber(int $number): string
363	{
364	error_clear_last();
365	$result = \getprotobynumber($number);
366	if ($result === \false) {
367	throw NetworkException::createFromPhpError();
368	}
369	return $result;
370	}
371	/**
372	* Registers a function that will be called when PHP starts sending output.
373	*
374	* The callback is executed just after PHP prepares all
375	* headers to be sent, and before any other output is sent, creating a window
376	* to manipulate the outgoing headers before being sent.
377	*
378	* @param callable $callback Function called just before the headers are sent. It gets no parameters
379	* and the return value is ignored.
380	* @throws NetworkException
381	*
382	*/
383	function header_register_callback(callable $callback): void
384	{
385	error_clear_last();
386	$result = \header_register_callback($callback);
387	if ($result === \false) {
388	throw NetworkException::createFromPhpError();
389	}
390	}
391	/**
392	*
393	*
394	* @param string $in_addr A 32bit IPv4, or 128bit IPv6 address.
395	* @return string Returns a string representation of the address.
396	* @throws NetworkException
397	*
398	*/
399	function inet_ntop(string $in_addr): string
400	{
401	error_clear_last();
402	$result = \inet_ntop($in_addr);
403	if ($result === \false) {
404	throw NetworkException::createFromPhpError();
405	}
406	return $result;
407	}
408	/**
409	* openlog opens a connection to the system
410	* logger for a program.
411	*
412	* The use of openlog is optional. It
413	* will automatically be called by syslog if
414	* necessary, in which case ident will default
415	* to FALSE.
416	*
417	* @param string $ident The string ident is added to each message.
418	* @param int $option The option argument is used to indicate
419	* what logging options will be used when generating a log message.
420	*
421	* openlog Options
422	*
423	*
424	*
425	* Constant
426	* Description
427	*
428	*
429	*
430	*
431	* LOG_CONS
432	*
433	* if there is an error while sending data to the system logger,
434	* write directly to the system console
435	*
436	*
437	*
438	* LOG_NDELAY
439	*
440	* open the connection to the logger immediately
441	*
442	*
443	*
444	* LOG_ODELAY
445	*
446	* (default) delay opening the connection until the first
447	* message is logged
448	*
449	*
450	*
451	* LOG_PERROR
452	* print log message also to standard error
453	*
454	*
455	* LOG_PID
456	* include PID with each message
457	*
458	*
459	*
460	*
461	* You can use one or more of these options. When using multiple options
462	* you need to OR them, i.e. to open the connection
463	* immediately, write to the console and include the PID in each message,
464	* you will use: LOG_CONS \| LOG_NDELAY \| LOG_PID
465	* @param int $facility The facility argument is used to specify what
466	* type of program is logging the message. This allows you to specify
467	* (in your machine's syslog configuration) how messages coming from
468	* different facilities will be handled.
469	*
470	* openlog Facilities
471	*
472	*
473	*
474	* Constant
475	* Description
476	*
477	*
478	*
479	*
480	* LOG_AUTH
481	*
482	* security/authorization messages (use
483	* LOG_AUTHPRIV instead
484	* in systems where that constant is defined)
485	*
486	*
487	*
488	* LOG_AUTHPRIV
489	* security/authorization messages (private)
490	*
491	*
492	* LOG_CRON
493	* clock daemon (cron and at)
494	*
495	*
496	* LOG_DAEMON
497	* other system daemons
498	*
499	*
500	* LOG_KERN
501	* kernel messages
502	*
503	*
504	* LOG_LOCAL0 ... LOG_LOCAL7
505	* reserved for local use, these are not available in Windows
506	*
507	*
508	* LOG_LPR
509	* line printer subsystem
510	*
511	*
512	* LOG_MAIL
513	* mail subsystem
514	*
515	*
516	* LOG_NEWS
517	* USENET news subsystem
518	*
519	*
520	* LOG_SYSLOG
521	* messages generated internally by syslogd
522	*
523	*
524	* LOG_USER
525	* generic user-level messages
526	*
527	*
528	* LOG_UUCP
529	* UUCP subsystem
530	*
531	*
532	*
533	*
534	*
535	* LOG_USER is the only valid log type under Windows
536	* operating systems
537	* @throws NetworkException
538	*
539	*/
540	function openlog(string $ident, int $option, int $facility): void
541	{
542	error_clear_last();
543	$result = \openlog($ident, $option, $facility);
544	if ($result === \false) {
545	throw NetworkException::createFromPhpError();
546	}
547	}
548	/**
549	* syslog generates a log message that will be
550	* distributed by the system logger.
551	*
552	* For information on setting up a user defined log handler, see the
553	* syslog.conf
554	* 5 Unix manual page. More
555	* information on the syslog facilities and option can be found in the man
556	* pages for syslog
557	* 3 on Unix machines.
558	*
559	* @param int $priority priority is a combination of the facility and
560	* the level. Possible values are:
561	*
562	* syslog Priorities (in descending order)
563	*
564	*
565	*
566	* Constant
567	* Description
568	*
569	*
570	*
571	*
572	* LOG_EMERG
573	* system is unusable
574	*
575	*
576	* LOG_ALERT
577	* action must be taken immediately
578	*
579	*
580	* LOG_CRIT
581	* critical conditions
582	*
583	*
584	* LOG_ERR
585	* error conditions
586	*
587	*
588	* LOG_WARNING
589	* warning conditions
590	*
591	*
592	* LOG_NOTICE
593	* normal, but significant, condition
594	*
595	*
596	* LOG_INFO
597	* informational message
598	*
599	*
600	* LOG_DEBUG
601	* debug-level message
602	*
603	*
604	*
605	*
606	* @param string $message The message to send, except that the two characters
607	* %m will be replaced by the error message string
608	* (strerror) corresponding to the present value of
609	* errno.
610	* @throws NetworkException
611	*
612	*/
613	function syslog(int $priority, string $message): void
614	{
615	error_clear_last();
616	$result = \syslog($priority, $message);
617	if ($result === \false) {
618	throw NetworkException::createFromPhpError();
619	}
620	}
621