1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
|
#!/usr/bin/perl
package IkiWiki::Plugin::amazon_s3;
use warnings;
no warnings 'redefine';
use strict;
use IkiWiki 2.00;
use IkiWiki::Render;
use Net::Amazon::S3;
# Store references to real subs before overriding them.
our %subs;
BEGIN {
foreach my $sub (qw{IkiWiki::writefile IkiWiki::prune}) {
$subs{$sub}=\&$sub;
}
};
sub import { #{{{
hook(type => "getopt", id => "aggregate", call => \&getopt);
hook(type => "checkconfig", id => "amazon_s3", call => \&checkconfig);
} # }}}
sub getopt () { #{{{
eval q{use Getopt::Long};
error($@) if $@;
Getopt::Long::Configure('pass_through');
GetOptions("delete-bucket" => sub {
my $bucket=getbucket();
debug(gettext("deleting bucket.."));
my $resp = $bucket->list_all or die $bucket->err . ": " . $bucket->errstr;
foreach my $key (@{$resp->{keys}}) {
debug("\t".$key->{key});
$bucket->delete_key($key->{key}) or die $bucket->err . ": " . $bucket->errstr;
}
$bucket->delete_bucket or die $bucket->err . ": " . $bucket->errstr;
debug(gettext("done"));
exit(0);
});
} #}}}
sub checkconfig { #{{{
foreach my $field (qw{amazon_s3_key_id amazon_s3_key_file
amazon_s3_bucket}) {
if (! exists $config{$field} || ! defined $config{$field}) {
error(sprintf(gettext("Must specify %s"), $field));
}
}
if (! exists $config{amazon_s3_prefix} ||
! defined $config{amazon_s3_prefix}) {
$config{amazon_s3_prefix}="wiki/";
}
} #}}}
{
my $bucket;
sub getbucket { #{{{
return $bucket if defined $bucket;
open(IN, "<", $config{amazon_s3_key_file}) || error($config{amazon_s3_key_file}.": ".$!);
my $key=<IN>;
chomp $key;
close IN;
my $s3=Net::Amazon::S3->new({
aws_access_key_id => $config{amazon_s3_key_id},
aws_secret_access_key => $key,
retry => 1,
});
# make sure the bucket exists
if (exists $config{amazon_s3_location}) {
$bucket=$s3->add_bucket({
bucket => $config{amazon_s3_bucket},
location_constraint => $config{amazon_s3_location},
});
}
else {
$bucket=$s3->add_bucket({
bucket => $config{amazon_s3_bucket},
});
}
if (! $bucket) {
error(gettext("Failed to create bucket in S3: ").
$s3->err.": ".$s3->errstr."\n");
}
return $bucket;
} #}}}
}
# Given a file, return any S3 keys associated with it.
sub file2keys ($) { #{{{
my $file=shift;
my @keys;
if ($file =~ /^\Q$config{destdir}\/\E(.*)/) {
push @keys, $config{amazon_s3_prefix}.$1;
# Munge foo/index.html to foo/
if ($keys[0]=~/(^|.*\/)index.$config{htmlext}$/) {
# A duplicate might need to be stored under the
# unmunged name too.
if (!$config{usedirs} || $config{amazon_s3_dupindex}) {
push @keys, $1;
}
else {
@keys=($1);
}
}
}
return @keys;
} #}}}
package IkiWiki;
use File::MimeInfo;
use Encode;
# This is a wrapper around the real writefile.
sub writefile ($$$;$$) { #{{{
my $file=shift;
my $destdir=shift;
my $content=shift;
my $binary=shift;
my $writer=shift;
# First, write the file to disk.
my $ret=$IkiWiki::Plugin::amazon_s3::subs{'IkiWiki::writefile'}->($file, $destdir, $content, $binary, $writer);
my @keys=IkiWiki::Plugin::amazon_s3::file2keys("$destdir/$file");
# Store the data in S3.
if (@keys) {
my $bucket=IkiWiki::Plugin::amazon_s3::getbucket();
# The http layer tries to downgrade utf-8
# content, but that can fail (see
# http://rt.cpan.org/Ticket/Display.html?id=35710),
# so force convert it to bytes.
$content=encode_utf8($content) if defined $content;
my %opts=(
acl_short => 'public-read',
content_type => mimetype("$destdir/$file"),
);
# If there are multiple keys to write, data is sent
# multiple times.
# TODO: investigate using the new copy operation.
# (It may not be robust enough.)
foreach my $key (@keys) {
my $res;
if (! $writer) {
$res=$bucket->add_key($key, $content, \%opts);
}
else {
# This test for empty files is a workaround
# for this bug:
# http://rt.cpan.org//Ticket/Display.html?id=35731
if (-z "$destdir/$file") {
$res=$bucket->add_key($key, "", \%opts);
}
else {
# read back in the file that the writer emitted
$res=$bucket->add_key_filename($key, "$destdir/$file", \%opts);
}
}
if (! $res) {
error(gettext("Failed to save file to S3: ").
$bucket->err.": ".$bucket->errstr."\n");
}
}
}
return $ret;
} #}}}
# This is a wrapper around the real prune.
sub prune ($) { #{{{
my $file=shift;
my @keys=IkiWiki::Plugin::amazon_s3::file2keys($file);
# Prune files out of S3 too.
if (@keys) {
my $bucket=IkiWiki::Plugin::amazon_s3::getbucket();
foreach my $key (@keys) {
my $res=$bucket->delete_key($key);
if (! $res) {
error(gettext("Failed to delete file from S3: ").
$bucket->err.": ".$bucket->errstr."\n");
}
}
}
return $IkiWiki::Plugin::amazon_s3::subs{'IkiWiki::prune'}->($file);
} #}}}
1
|