PostgreSQL：如何验证 JSON 字段？

Question

Nilesh

Asked: 2024-10-08 19:34:55 +0800 CST2024-10-08 19:34:55 +0800 CST 2024-10-08 19:34:55 +0800 CST

如何在 perl 中使用 WWW::Mechanize 传递 JSON

772

我们正在使用WWW::Mechanize将 json 数据发送到我们的 api。

我的代码如下。

#!/usr/local/bin/perl

use WWW::Mechanize;

sub get_csrf_token {
    my $sso = shift;
    my $referer = shift;
    my @cookie_items;
    my $rsp = $sso->get($referer);
    my $set_cookie = $rsp->header('set-cookie');
    if ($set_cookie =~ /csrftoken=(\S+);/) {
        push(@cookie_items, $1);
    }
    if ($set_cookie =~ /sessionid=(\S+);/) {
        push(@cookie_items, $1);
    }
    else {
        die 'Failed to get CSRF Token';
    }
    return @cookie_items;
}

my $sso = WWW::Mechanize->new(
        keep_alive  => 0,
        timeout     => 3000,
        stack_depth => 1,
        debug       => 1,
        verbose     => 1,
        key         => "/home/user/.athenz/key",
        cert        => "/home/user/.athenz/cert",
    );

my $referer = "https://myapi.domain.com/athenz/api/healthcheck/";
my @cookies = get_csrf_token($sso, $referer);
$sso->add_header('Referer' => $referer);
$sso->add_header('X-CSRFToken' => $cookies[0]);
$sso->add_header('Cookie' => "sessionid=$cookies[1]; csrftoken=$cookies[0]");

my %content = (
          'value' => '127.0.0.1',
          'key_name' => 'NTP_SERVERS'
);

my $response = $sso->put("https://myapi.domain.com/athenz/api/NTP_SERVERS/", \%content);

print "^^^^^^^^^^^^^^^^^^^^^^^^^\n";
print $response->code();
print "\n^^^^^^^^^^^^^^^^^^^^^^^^^\n";

它给我错误Error PUTing https://myapi.domain.com/athenz/api/NTP_SERVERS/: Bad Request at /tmp/test.pm line 53

当我检查服务器日志时，似乎我发送的有效负载是以HASHjson 而不是 json 的形式传送到服务器的。

以下是 apache 日志。

[Mon Oct 07 18:32:27.987189 2024] [ssl:info] [pid 19745:tid 19745] [client 127.0.0.1:58372] AH01964: Connection to child 29 established (server myapi.domain.com:443)
[Mon Oct 07 18:32:27.987600 2024] [dumpio:trace7] [pid 19745:tid 19745] mod_dumpio.c(140): [client 127.0.0.1:58372] mod_dumpio: dumpio_in [init-blocking] 0 readbytes
[Mon Oct 07 18:32:27.987964 2024] [ssl:debug] [pid 19745:tid 19745] ssl_engine_kernel.c(2393): [client 127.0.0.1:58372] AH02043: SSL virtual host for servername myapi.domain.com found
[Mon Oct 07 18:32:27.992817 2024] [ssl:debug] [pid 19745:tid 19745] ssl_engine_kernel.c(2256): [client 127.0.0.1:58372] AH02041: Protocol: TLSv1.2, Cipher: ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)
[Mon Oct 07 18:32:27.992936 2024] [dumpio:trace7] [pid 19745:tid 19745] mod_dumpio.c(140): [client 127.0.0.1:58372] mod_dumpio: dumpio_in [getline-blocking] 0 readbytes
[Mon Oct 07 18:32:27.993929 2024] [dumpio:trace7] [pid 19745:tid 19745] mod_dumpio.c(63): [client 127.0.0.1:58372] mod_dumpio:  dumpio_in (data-TRANSIENT): 53 bytes
[Mon Oct 07 18:32:27.993964 2024] [dumpio:trace7] [pid 19745:tid 19745] mod_dumpio.c(103): [client 127.0.0.1:58372] mod_dumpio:  dumpio_in (data-TRANSIENT): PUT /athenz/api/NTP_SERVERS/ HTTP/1.1

[Mon Oct 07 18:32:27.994033 2024] [dumpio:trace7] [pid 19745:tid 19745] mod_dumpio.c(140): [client 127.0.0.1:58372] mod_dumpio: dumpio_in [getline-blocking] 0 readbytes
[Mon Oct 07 18:32:27.994047 2024] [dumpio:trace7] [pid 19745:tid 19745] mod_dumpio.c(63): [client 127.0.0.1:58372] mod_dumpio:  dumpio_in (data-TRANSIENT): 24 bytes
[Mon Oct 07 18:32:27.994056 2024] [dumpio:trace7] [pid 19745:tid 19745] mod_dumpio.c(103): [client 127.0.0.1:58372] mod_dumpio:  dumpio_in (data-TRANSIENT): TE: deflate,gzip;q=0.3

[Mon Oct 07 18:32:27.994065 2024] [dumpio:trace7] [pid 19745:tid 19745] mod_dumpio.c(140): [client 127.0.0.1:58372] mod_dumpio: dumpio_in [getline-blocking] 0 readbytes
[Mon Oct 07 18:32:27.994089 2024] [dumpio:trace7] [pid 19745:tid 19745] mod_dumpio.c(63): [client 127.0.0.1:58372] mod_dumpio:  dumpio_in (data-TRANSIENT): 23 bytes
[Mon Oct 07 18:32:27.994093 2024] [dumpio:trace7] [pid 19745:tid 19745] mod_dumpio.c(103): [client 127.0.0.1:58372] mod_dumpio:  dumpio_in (data-TRANSIENT): Connection: TE, close

[Mon Oct 07 18:32:27.994100 2024] [dumpio:trace7] [pid 19745:tid 19745] mod_dumpio.c(140): [client 127.0.0.1:58372] mod_dumpio: dumpio_in [getline-blocking] 0 readbytes
[Mon Oct 07 18:32:27.994104 2024] [dumpio:trace7] [pid 19745:tid 19745] mod_dumpio.c(63): [client 127.0.0.1:58372] mod_dumpio:  dumpio_in (data-TRANSIENT): 23 bytes
[Mon Oct 07 18:32:27.994123 2024] [dumpio:trace7] [pid 19745:tid 19745] mod_dumpio.c(103): [client 127.0.0.1:58372] mod_dumpio:  dumpio_in (data-TRANSIENT): Accept-Encoding: gzip

[Mon Oct 07 18:32:27.994127 2024] [dumpio:trace7] [pid 19745:tid 19745] mod_dumpio.c(140): [client 127.0.0.1:58372] mod_dumpio: dumpio_in [getline-blocking] 0 readbytes
[Mon Oct 07 18:32:27.994132 2024] [dumpio:trace7] [pid 19745:tid 19745] mod_dumpio.c(63): [client 127.0.0.1:58372] mod_dumpio:  dumpio_in (data-TRANSIENT): 45 bytes
[Mon Oct 07 18:32:27.994135 2024] [dumpio:trace7] [pid 19745:tid 19745] mod_dumpio.c(103): [client 127.0.0.1:58372] mod_dumpio:  dumpio_in (data-TRANSIENT): Host: myapi.domain.com

[Mon Oct 07 18:32:27.994139 2024] [dumpio:trace7] [pid 19745:tid 19745] mod_dumpio.c(140): [client 127.0.0.1:58372] mod_dumpio: dumpio_in [getline-blocking] 0 readbytes
[Mon Oct 07 18:32:27.994143 2024] [dumpio:trace7] [pid 19745:tid 19745] mod_dumpio.c(63): [client 127.0.0.1:58372] mod_dumpio:  dumpio_in (data-TRANSIENT): 84 bytes
[Mon Oct 07 18:32:27.994147 2024] [dumpio:trace7] [pid 19745:tid 19745] mod_dumpio.c(103): [client 127.0.0.1:58372] mod_dumpio:  dumpio_in (data-TRANSIENT): Referer: https://myapi.domain.com/athenz/api/healthcheck/

[Mon Oct 07 18:32:27.994151 2024] [dumpio:trace7] [pid 19745:tid 19745] mod_dumpio.c(140): [client 127.0.0.1:58372] mod_dumpio: dumpio_in [getline-blocking] 0 readbytes
[Mon Oct 07 18:32:27.994155 2024] [dumpio:trace7] [pid 19745:tid 19745] mod_dumpio.c(63): [client 127.0.0.1:58372] mod_dumpio:  dumpio_in (data-TRANSIENT): 32 bytes
[Mon Oct 07 18:32:27.994158 2024] [dumpio:trace7] [pid 19745:tid 19745] mod_dumpio.c(103): [client 127.0.0.1:58372] mod_dumpio:  dumpio_in (data-TRANSIENT): User-Agent: WWW-Mechanize/1.72

[Mon Oct 07 18:32:27.994185 2024] [dumpio:trace7] [pid 19745:tid 19745] mod_dumpio.c(140): [client 127.0.0.1:58372] mod_dumpio: dumpio_in [getline-blocking] 0 readbytes
[Mon Oct 07 18:32:27.994190 2024] [dumpio:trace7] [pid 19745:tid 19745] mod_dumpio.c(63): [client 127.0.0.1:58372] mod_dumpio:  dumpio_in (data-TRANSIENT): 128 bytes
[Mon Oct 07 18:32:27.994193 2024] [dumpio:trace7] [pid 19745:tid 19745] mod_dumpio.c(103): [client 127.0.0.1:58372] mod_dumpio:  dumpio_in (data-TRANSIENT): Cookie: sessionid=XXXXXXX; csrftoken=YYYYYYY

[Mon Oct 07 18:32:27.994198 2024] [dumpio:trace7] [pid 19745:tid 19745] mod_dumpio.c(140): [client 127.0.0.1:58372] mod_dumpio: dumpio_in [getline-blocking] 0 readbytes
[Mon Oct 07 18:32:27.994201 2024] [dumpio:trace7] [pid 19745:tid 19745] mod_dumpio.c(63): [client 127.0.0.1:58372] mod_dumpio:  dumpio_in (data-TRANSIENT): 19 bytes
[Mon Oct 07 18:32:27.994205 2024] [dumpio:trace7] [pid 19745:tid 19745] mod_dumpio.c(103): [client 127.0.0.1:58372] mod_dumpio:  dumpio_in (data-TRANSIENT): HASH(0x1d5b760):

[Mon Oct 07 18:32:27.994209 2024] [dumpio:trace7] [pid 19745:tid 19745] mod_dumpio.c(140): [client 127.0.0.1:58372] mod_dumpio: dumpio_in [getline-blocking] 0 readbytes
[Mon Oct 07 18:32:27.994213 2024] [dumpio:trace7] [pid 19745:tid 19745] mod_dumpio.c(63): [client 127.0.0.1:58372] mod_dumpio:  dumpio_in (data-TRANSIENT): 79 bytes
[Mon Oct 07 18:32:27.994217 2024] [dumpio:trace7] [pid 19745:tid 19745] mod_dumpio.c(103): [client 127.0.0.1:58372] mod_dumpio:  dumpio_in (data-TRANSIENT): X-CSRFToken: YYYYYYY

[Mon Oct 07 18:32:27.994223 2024] [core:debug] [pid 19745:tid 19745] protocol.c(1290): [client 127.0.0.1:58372 {YRA:127.0.0.1:58372, YPA:127.0.0.1:58372}] AH02426: Request header field name is malformed: HASH(0x1d5b760):, referer: https://myapi.domain.com/athenz/api/healthcheck/
[Mon Oct 07 18:32:27.994328 2024] [core:debug] [pid 19745:tid 19745] protocol.c(1482): [client 127.0.0.1:58372 {YRA:127.0.0.1:58372, YPA:127.0.0.1:58372}] AH00567: request failed: error reading the headers, referer: https://myapi.domain.com/athenz/api/healthcheck/

如果我使用与 curl 相同的 API，它可以正常工作，并且 apache 日志不会出现任何错误。

curl --cert ~/.athenz/cert --key ~/.athenz/key -H "Content-type: application/json" -H "X-CSRFToken: $TOKEN" --referer "https://myapi.domain.com/athenz/api/healthcheck/" --cookie "csrftoken=$TOKEN;sessionid=$SESSIONID;" "https://myapi.domain.com/athenz/api/NTP_SERVERS/" -X PUT -d '{"key_name": "NTP_SERVERS", "value": "98.139.133.27"}' -i
HTTP/1.1 200 OK
Date: Mon, 07 Oct 2024 18:26:50 GMT
P3P: policyref="https://policies.domain.com/w3c/p3p.xml", CP="CAO DSP COR CUR ADM DEV TAI PSA PSD IVAi IVDi CONi TELo OTPi OUR DELi SAMi OTRi UNRi PUBi IND PHY ONL UNI PUR FIN COM NAV INT DEM CNT STA POL HEA PRE LOC GOV"
Allow: GET, PUT, DELETE, HEAD, OPTIONS
X-Frame-Options: DENY
Vary: Cookie
Content-Length: 0
Access-Control-Allow-Methods: GET, PUT, POST, DELETE, OPTIONS
Access-Control-Allow-Credentials: true
X-Content-Type-Options: nosniff
Referrer-Policy: same-origin
Set-Cookie: csrftoken=YYYYYYYYYYY; Domain=.domain.com; expires=Mon, 06 Oct 2025 18:26:53 GMT; Max-Age=31449600; Path=/; SameSite=Lax
Set-Cookie: sessionid=XXXXXXXXXXXX; expires=Mon, 21 Oct 2024 18:26:53 GMT; HttpOnly; Max-Age=1209600; Path=/; SameSite=Lax
Cache-Control: private
Connection: close

apache 日志，打印我在 curl 中传递的 json。

[Mon Oct 07 18:26:50.576736 2024] [dumpio:trace7] [pid 19725:tid 19725] mod_dumpio.c(140): [client 127.0.0.1:57073] mod_dumpio: dumpio_in [getline-blocking] 0 readbytes
[Mon Oct 07 18:26:50.935742 2024] [dumpio:trace7] [pid 19725:tid 19725] mod_dumpio.c(63): [client 127.0.0.1:57073] mod_dumpio:  dumpio_in (data-TRANSIENT): 53 bytes
[Mon Oct 07 18:26:50.935767 2024] [dumpio:trace7] [pid 19725:tid 19725] mod_dumpio.c(103): [client 127.0.0.1:57073] mod_dumpio:  dumpio_in (data-TRANSIENT): PUT /athenz/api/NTP_SERVERS/ HTTP/1.1

[Mon Oct 07 18:26:50.935821 2024] [dumpio:trace7] [pid 19725:tid 19725] mod_dumpio.c(140): [client 127.0.0.1:57073] mod_dumpio: dumpio_in [getline-blocking] 0 readbytes
[Mon Oct 07 18:26:50.935840 2024] [dumpio:trace7] [pid 19725:tid 19725] mod_dumpio.c(63): [client 127.0.0.1:57073] mod_dumpio:  dumpio_in (data-TRANSIENT): 31 bytes
[Mon Oct 07 18:26:50.935844 2024] [dumpio:trace7] [pid 19725:tid 19725] mod_dumpio.c(103): [client 127.0.0.1:57073] mod_dumpio:  dumpio_in (data-TRANSIENT): Host: myapi.domain.com

[Mon Oct 07 18:26:50.935848 2024] [dumpio:trace7] [pid 19725:tid 19725] mod_dumpio.c(140): [client 127.0.0.1:57073] mod_dumpio: dumpio_in [getline-blocking] 0 readbytes
[Mon Oct 07 18:26:50.935852 2024] [dumpio:trace7] [pid 19725:tid 19725] mod_dumpio.c(63): [client 127.0.0.1:57073] mod_dumpio:  dumpio_in (data-TRANSIENT): 24 bytes
[Mon Oct 07 18:26:50.935857 2024] [dumpio:trace7] [pid 19725:tid 19725] mod_dumpio.c(103): [client 127.0.0.1:57073] mod_dumpio:  dumpio_in (data-TRANSIENT): User-Agent: curl/8.7.1

[Mon Oct 07 18:26:50.935863 2024] [dumpio:trace7] [pid 19725:tid 19725] mod_dumpio.c(140): [client 127.0.0.1:57073] mod_dumpio: dumpio_in [getline-blocking] 0 readbytes
[Mon Oct 07 18:26:50.935867 2024] [dumpio:trace7] [pid 19725:tid 19725] mod_dumpio.c(63): [client 127.0.0.1:57073] mod_dumpio:  dumpio_in (data-TRANSIENT): 13 bytes
[Mon Oct 07 18:26:50.935871 2024] [dumpio:trace7] [pid 19725:tid 19725] mod_dumpio.c(103): [client 127.0.0.1:57073] mod_dumpio:  dumpio_in (data-TRANSIENT): Accept: */*

[Mon Oct 07 18:26:50.935875 2024] [dumpio:trace7] [pid 19725:tid 19725] mod_dumpio.c(140): [client 127.0.0.1:57073] mod_dumpio: dumpio_in [getline-blocking] 0 readbytes
[Mon Oct 07 18:26:50.935880 2024] [dumpio:trace7] [pid 19725:tid 19725] mod_dumpio.c(63): [client 127.0.0.1:57073] mod_dumpio:  dumpio_in (data-TRANSIENT): 43 bytes
[Mon Oct 07 18:26:50.935883 2024] [dumpio:trace7] [pid 19725:tid 19725] mod_dumpio.c(103): [client 127.0.0.1:57073] mod_dumpio:  dumpio_in (data-TRANSIENT): Referer: https://myapi.domain.com/api/healthcheck/

[Mon Oct 07 18:26:50.935887 2024] [dumpio:trace7] [pid 19725:tid 19725] mod_dumpio.c(140): [client 127.0.0.1:57073] mod_dumpio: dumpio_in [getline-blocking] 0 readbytes
[Mon Oct 07 18:26:50.935890 2024] [dumpio:trace7] [pid 19725:tid 19725] mod_dumpio.c(63): [client 127.0.0.1:57073] mod_dumpio:  dumpio_in (data-TRANSIENT): 128 bytes
[Mon Oct 07 18:26:50.935894 2024] [dumpio:trace7] [pid 19725:tid 19725] mod_dumpio.c(103): [client 127.0.0.1:57073] mod_dumpio:  dumpio_in (data-TRANSIENT): Cookie: csrftoken=YYYYYYYY;sessionid=XXXXXXX;

[Mon Oct 07 18:26:50.935908 2024] [dumpio:trace7] [pid 19725:tid 19725] mod_dumpio.c(140): [client 127.0.0.1:57073] mod_dumpio: dumpio_in [getline-blocking] 0 readbytes
[Mon Oct 07 18:26:50.935913 2024] [dumpio:trace7] [pid 19725:tid 19725] mod_dumpio.c(63): [client 127.0.0.1:57073] mod_dumpio:  dumpio_in (data-TRANSIENT): 32 bytes
[Mon Oct 07 18:26:50.935917 2024] [dumpio:trace7] [pid 19725:tid 19725] mod_dumpio.c(103): [client 127.0.0.1:57073] mod_dumpio:  dumpio_in (data-TRANSIENT): Content-type: application/json

[Mon Oct 07 18:26:50.935922 2024] [dumpio:trace7] [pid 19725:tid 19725] mod_dumpio.c(140): [client 127.0.0.1:57073] mod_dumpio: dumpio_in [getline-blocking] 0 readbytes
[Mon Oct 07 18:26:50.935926 2024] [dumpio:trace7] [pid 19725:tid 19725] mod_dumpio.c(63): [client 127.0.0.1:57073] mod_dumpio:  dumpio_in (data-TRANSIENT): 79 bytes
[Mon Oct 07 18:26:50.935930 2024] [dumpio:trace7] [pid 19725:tid 19725] mod_dumpio.c(103): [client 127.0.0.1:57073] mod_dumpio:  dumpio_in (data-TRANSIENT): X-CSRFToken: YYYYYYYYY

[Mon Oct 07 18:26:50.935934 2024] [dumpio:trace7] [pid 19725:tid 19725] mod_dumpio.c(140): [client 127.0.0.1:57073] mod_dumpio: dumpio_in [getline-blocking] 0 readbytes
[Mon Oct 07 18:26:50.935937 2024] [dumpio:trace7] [pid 19725:tid 19725] mod_dumpio.c(63): [client 127.0.0.1:57073] mod_dumpio:  dumpio_in (data-TRANSIENT): 20 bytes
[Mon Oct 07 18:26:50.935942 2024] [dumpio:trace7] [pid 19725:tid 19725] mod_dumpio.c(103): [client 127.0.0.1:57073] mod_dumpio:  dumpio_in (data-TRANSIENT): Content-Length: 91

[Mon Oct 07 18:26:50.935946 2024] [dumpio:trace7] [pid 19725:tid 19725] mod_dumpio.c(140): [client 127.0.0.1:57073] mod_dumpio: dumpio_in [getline-blocking] 0 readbytes
[Mon Oct 07 18:26:50.935949 2024] [dumpio:trace7] [pid 19725:tid 19725] mod_dumpio.c(63): [client 127.0.0.1:57073] mod_dumpio:  dumpio_in (data-TRANSIENT): 2 bytes
[Mon Oct 07 18:26:50.935953 2024] [dumpio:trace7] [pid 19725:tid 19725] mod_dumpio.c(103): [client 127.0.0.1:57073] mod_dumpio:  dumpio_in (data-TRANSIENT):

[Mon Oct 07 18:26:50.937521 2024] [dumpio:trace7] [pid 19725:tid 19725] mod_dumpio.c(140): [client 127.0.0.1:57073] mod_dumpio: dumpio_in [readbytes-blocking] 91 readbytes
[Mon Oct 07 18:26:50.937532 2024] [dumpio:trace7] [pid 19725:tid 19725] mod_dumpio.c(63): [client 127.0.0.1:57073] mod_dumpio:  dumpio_in (data-TRANSIENT): 91 bytes
[Mon Oct 07 18:26:50.937537 2024] [dumpio:trace7] [pid 19725:tid 19725] mod_dumpio.c(103): [client 127.0.0.1:57073] mod_dumpio:  dumpio_in (data-TRANSIENT): {"key_name": "NTP_SERVERS", "value": "98.139.133.27"}
[Mon Oct 07 18:26:50.937558 2024] [ssl:info] [pid 19725:tid 19725] [client 127.0.0.1:57073 {YRA:127.0.0.1:57073, YPA:127.0.0.1:57073}] AH02221: Requesting connection re-negotiation, referer: https://myapi.domain.com/api/healthcheck/

我如何确保 perl 脚本将json数据传递到 apache 服务器？我尝试设置Content-Type: application/json，但没有用。

2 个回答

Voted

choroba · Answer 1 · 2024-10-08T19:39:52+08:00

Best Answer

choroba

2024-10-08T19:39:52+08:002024-10-08T19:39:52+08:00

使用类似Cpanel::JSON::XS 的东西将哈希编码为 json。

WWW::Mechanize的文档显示了正确的语法put：

my $json = 'Cpanel::JSON::XS'->new->utf8;
my $response = $sso->put('https://myapi.domain.com/athenz/api/NTP_SERVERS/',
                         content => $json->encode(\%content));

4

ikegami · Answer 2 · 2024-10-08T23:35:26+08:00

ikegami

2024-10-08T23:35:26+08:002024-10-08T23:35:26+08:00

WWW::Mechanizeput基本上是对 HTTP::Request::Common 的调用（除了支持PUT几个特殊的伪标头形式）。:name

因此用法是

->put( $url
->put( $url, Header => Value,. .. )
->put( $url, $form_ref, Header => Value, ... )
->put( $url, Header => Value, ..., Content => $form_ref )
->put( $url, Header => Value, ..., Content => $content )

您的用法与第二种相符，它应该将标题设置Content-Type为application/x-www-form-urlencoded并value=127.0.0.1&key_name=NTP_SERVERS作为文档提供。

我不知道您是如何获得哈希的字符串化的，但解决方案是向提供正确的参数->put。

use Cpanel::JSON::XS qw( encode_json );

my $response = $sso->put( $url,
   Content_Type => "application/json",       # Optional.
   Content => encode_json( \%content ),
);

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如何在 perl 中使用 WWW::Mechanize 传递 JSON

2 个回答

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