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1360e6f0 DM |
1 | package PMG::HTTPServer; |
2 | ||
3 | use strict; | |
4 | use warnings; | |
5 | ||
6 | use PVE::SafeSyslog; | |
7 | use PVE::INotify; | |
8 | use PVE::Tools; | |
9 | use PVE::APIServer::AnyEvent; | |
10 | use PVE::Exception qw(raise_param_exc); | |
9d82c6bc | 11 | use PMG::RESTEnvironment; |
1360e6f0 DM |
12 | |
13 | use PMG::Ticket; | |
0854fb22 | 14 | use PMG::Cluster; |
1360e6f0 DM |
15 | use PMG::API2; |
16 | ||
17 | use Data::Dumper; | |
18 | ||
19 | use base('PVE::APIServer::AnyEvent'); | |
20 | ||
21 | use HTTP::Status qw(:constants); | |
22 | ||
23 | ||
24 | sub new { | |
25 | my ($this, %args) = @_; | |
26 | ||
27 | my $class = ref($this) || $this; | |
28 | ||
29 | my $self = $class->SUPER::new(%args); | |
426dff12 | 30 | |
9d82c6bc | 31 | $self->{rpcenv} = PMG::RESTEnvironment->init( |
fbdff659 | 32 | $self->{trusted_env} ? 'priv' : 'pub', atfork => sub { $self->atfork_handler() }); |
1360e6f0 DM |
33 | |
34 | return $self; | |
35 | } | |
36 | ||
37 | ||
38 | sub generate_csrf_prevention_token { | |
39 | my ($username) = @_; | |
40 | ||
41 | return PMG::Ticket::assemble_csrf_prevention_token ($username); | |
42 | } | |
43 | ||
44 | sub auth_handler { | |
45 | my ($self, $method, $rel_uri, $ticket, $token, $peer_host) = @_; | |
46 | ||
47 | my $rpcenv = $self->{rpcenv}; | |
48 | ||
49 | # set environment variables | |
50 | $rpcenv->set_user(undef); | |
9a9be8aa | 51 | $rpcenv->set_role(undef); |
1360e6f0 DM |
52 | $rpcenv->set_language('C'); |
53 | $rpcenv->set_client_ip($peer_host); | |
54 | ||
55 | $rpcenv->init_request(); | |
56 | ||
57 | my $require_auth = 1; | |
58 | ||
59 | # explicitly allow some calls without auth | |
60 | if (($rel_uri eq '/access/domains' && $method eq 'GET') || | |
61 | ($rel_uri eq '/access/ticket' && ($method eq 'GET' || $method eq 'POST'))) { | |
62 | $require_auth = 0; | |
63 | } | |
64 | ||
65 | my ($username, $age); | |
66 | ||
67 | if ($require_auth) { | |
68 | ||
69 | die "No ticket\n" if !$ticket; | |
70 | ||
9a9be8aa DM |
71 | if ($ticket =~ m/^PMGQUAR:/) { |
72 | ($username, $age) = PMG::Ticket::verify_quarantine_ticket($ticket); | |
73 | $rpcenv->set_user($username); | |
74 | $rpcenv->set_role('quser'); | |
75 | } else { | |
76 | ($username, $age) = PMG::Ticket::verify_ticket($ticket); | |
77 | my $role = PMG::AccessControl::check_user_enabled($self->{usercfg}, $username); | |
78 | $rpcenv->set_user($username); | |
79 | $rpcenv->set_role($role); | |
80 | } | |
1360e6f0 | 81 | |
ba11e2d3 | 82 | $rpcenv->set_ticket($ticket); |
1360e6f0 DM |
83 | |
84 | my $euid = $>; | |
85 | PMG::Ticket::verify_csrf_prevention_token($username, $token) | |
86 | if ($euid != 0) && ($method ne 'GET'); | |
87 | } | |
88 | ||
89 | return { | |
90 | ticket => $ticket, | |
91 | token => $token, | |
92 | userid => $username, | |
93 | age => $age, | |
94 | isUpload => 0, | |
95 | }; | |
96 | } | |
97 | ||
98 | sub rest_handler { | |
01891c99 | 99 | my ($self, $clientip, $method, $rel_uri, $auth, $params, $format) = @_; |
1360e6f0 DM |
100 | |
101 | my $rpcenv = $self->{rpcenv}; | |
01891c99 | 102 | $rpcenv->set_format($format); |
1360e6f0 DM |
103 | |
104 | my $resp = { | |
105 | status => HTTP_NOT_IMPLEMENTED, | |
106 | message => "Method '$method $rel_uri' not implemented", | |
107 | }; | |
108 | ||
109 | my ($handler, $info); | |
110 | ||
111 | eval { | |
112 | my $uri_param = {}; | |
113 | ($handler, $info) = PMG::API2->find_handler($method, $rel_uri, $uri_param); | |
114 | return if !$handler || !$info; | |
115 | ||
116 | foreach my $p (keys %{$params}) { | |
117 | if (defined($uri_param->{$p})) { | |
118 | raise_param_exc({$p => "duplicate parameter (already defined in URI)"}); | |
119 | } | |
120 | $uri_param->{$p} = $params->{$p}; | |
121 | } | |
122 | ||
123 | # check access permissions | |
9a9be8aa | 124 | $rpcenv->check_api2_permissions($info->{permissions}, $uri_param); |
1360e6f0 | 125 | |
9968426f | 126 | if (my $pn = $info->{proxyto}) { |
1360e6f0 | 127 | |
352a3fa6 DM |
128 | my $node; |
129 | if ($pn eq 'master') { | |
d2e43f9e | 130 | $node = PMG::Cluster::get_master_node(); |
352a3fa6 DM |
131 | } else { |
132 | $node = $uri_param->{$pn}; | |
133 | raise_param_exc({$pn => "proxy parameter '$pn' does not exists"}) if !$node; | |
134 | } | |
1360e6f0 DM |
135 | |
136 | if ($node ne 'localhost' && $node ne PVE::INotify::nodename()) { | |
137 | die "unable to proxy file uploads" if $auth->{isUpload}; | |
138 | my $remip = $self->remote_node_ip($node); | |
139 | $resp = { proxy => $remip, proxynode => $node, proxy_params => $params }; | |
140 | return; | |
141 | } | |
142 | } | |
143 | ||
144 | my $euid = $>; | |
145 | if ($info->{protected} && ($euid != 0)) { | |
146 | $resp = { proxy => 'localhost' , proxy_params => $params }; | |
147 | return; | |
148 | } | |
149 | ||
9968426f DM |
150 | if (my $pn = $info->{proxyto}) { |
151 | if ($pn eq 'master') { | |
152 | $rpcenv->check_node_is_master(); | |
153 | } | |
154 | } | |
155 | ||
426dff12 DM |
156 | |
157 | my $result = $handler->handle($info, $uri_param); | |
158 | ||
1360e6f0 | 159 | $resp = { |
1360e6f0 DM |
160 | info => $info, # useful to format output |
161 | status => HTTP_OK, | |
162 | }; | |
163 | ||
426dff12 DM |
164 | if ($info->{download}) { |
165 | die "download methods should have return type 'string' - internal error" | |
166 | if ($info->{returns}->{type} ne 'string'); | |
167 | $resp->{download} = $result; | |
168 | } else { | |
169 | $resp->{data} = $result; | |
170 | } | |
171 | ||
1360e6f0 DM |
172 | if (my $count = $rpcenv->get_result_attrib('total')) { |
173 | $resp->{total} = $count; | |
174 | } | |
175 | ||
176 | if (my $diff = $rpcenv->get_result_attrib('changes')) { | |
177 | $resp->{changes} = $diff; | |
178 | } | |
179 | }; | |
180 | my $err = $@; | |
181 | ||
182 | $rpcenv->set_user(undef); # clear after request | |
9a9be8aa | 183 | $rpcenv->set_role(undef); # clear after request |
01891c99 | 184 | $rpcenv->set_format(undef); # clear after request |
1360e6f0 DM |
185 | |
186 | if ($err) { | |
187 | $resp = { info => $info }; | |
188 | if (ref($err) eq "PVE::Exception") { | |
189 | $resp->{status} = $err->{code} || HTTP_INTERNAL_SERVER_ERROR; | |
190 | $resp->{errors} = $err->{errors} if $err->{errors}; | |
191 | $resp->{message} = $err->{msg}; | |
192 | } else { | |
193 | $resp->{status} = HTTP_INTERNAL_SERVER_ERROR; | |
194 | $resp->{message} = $err; | |
195 | } | |
196 | } | |
197 | ||
198 | return $resp; | |
199 | } | |
200 | ||
201 | sub check_cert_fingerprint { | |
202 | my ($self, $cert) = @_; | |
203 | ||
0854fb22 | 204 | return PMG::Cluster::check_cert_fingerprint($cert); |
1360e6f0 DM |
205 | } |
206 | ||
207 | sub initialize_cert_cache { | |
208 | my ($self, $node) = @_; | |
209 | ||
0854fb22 | 210 | PMG::Cluster::initialize_cert_cache($node); |
1360e6f0 DM |
211 | } |
212 | ||
213 | sub remote_node_ip { | |
214 | my ($self, $node) = @_; | |
215 | ||
d2e43f9e | 216 | my $remip = PMG::Cluster::remote_node_ip($node); |
1360e6f0 DM |
217 | |
218 | die "unable to get remote IP address for node '$node'\n" if !$remip; | |
219 | ||
220 | return $remip; | |
221 | } | |
222 | ||
223 | 1; |