/usr/share/gocode/src/github.com/ctdk/goiardi/util/s3.go is in golang-github-ctdk-goiardi-dev 0.11.2-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 | /*
* Copyright (c) 2013-2016, Jeremy Bingham (<jeremy@goiardi.gl>)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package util
import (
"encoding/base64"
"fmt"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/aws/session"
"github.com/aws/aws-sdk-go/service/s3"
"github.com/ctdk/goiardi/config"
"github.com/tideland/golib/logger"
"net"
"regexp"
"strconv"
"strings"
"time"
)
type s3client struct {
bucket string
filePeriod time.Duration
s3 *s3.S3
}
var s3cli *s3client
// InitS3 sets up the session and whatnot for using goiardi with S3.
func InitS3(conf *config.Conf) error {
sess := session.New(&aws.Config{Region: aws.String(conf.AWSRegion), DisableSSL: aws.Bool(conf.AWSDisableSSL), Endpoint: aws.String(conf.S3Endpoint), S3ForcePathStyle: aws.Bool(false)})
s3cli = new(s3client)
s3cli.bucket = conf.S3Bucket
s3cli.filePeriod = time.Duration(conf.S3FilePeriod) * time.Minute
s3cli.s3 = s3.New(sess)
return nil
}
func S3GetURL(orgname string, checksum string) (string, error) {
key := makeBukkitKey(orgname, checksum)
req, _ := s3cli.s3.GetObjectRequest(&s3.GetObjectInput{
Bucket: aws.String(s3cli.bucket),
Key: aws.String(key),
})
req.HTTPRequest.URL.Host = s3cli.makeHostPort(req.HTTPRequest.URL.Host)
urlStr, err := req.Presign(s3cli.filePeriod)
return urlStr, err
}
func S3PutURL(orgname string, checksum string) (string, error) {
key := makeBukkitKey(orgname, checksum)
req, _ := s3cli.s3.PutObjectRequest(&s3.PutObjectInput{
Bucket: aws.String(s3cli.bucket),
Key: aws.String(key),
})
// there may be an easier way
re := regexp.MustCompile(`[0-9A-Fa-f]{2}`)
chopped := re.FindAllString(checksum, -1)
b := make([]byte, len(chopped))
for i, v := range chopped {
m, err := strconv.ParseUint(v, 16, 8)
if err != nil {
return "", err
}
b[i] = byte(m)
}
contentmd5 := base64.StdEncoding.EncodeToString(b)
req.HTTPRequest.Header.Set("Content-MD5", contentmd5)
req.HTTPRequest.URL.Host = s3cli.makeHostPort(req.HTTPRequest.URL.Host)
urlStr, err := req.Presign(s3cli.filePeriod)
logger.Debugf("presign: %s %s", urlStr, contentmd5)
return urlStr, err
}
func CheckForObject(orgname string, checksum string) (bool, error) {
key := makeBukkitKey(orgname, checksum)
output, err := s3cli.s3.HeadObject(&s3.HeadObjectInput{
Bucket: aws.String(s3cli.bucket),
Key: aws.String(key),
})
if err != nil {
// hmm?
return false, err
}
if output != nil {
return true, nil
}
return false, nil
}
func S3DeleteHashes(fileHashes []string) {
// only do this if there are actually file hashes to delete.
if len(fileHashes) == 0 {
return
}
// break this up in case we have more than 1000 hashes to delete.
objs := make([]*s3.ObjectIdentifier, len(fileHashes))
for i, k := range fileHashes {
objs[i] = &s3.ObjectIdentifier{Key: aws.String(makeBukkitKey("default", k))}
}
params := &s3.DeleteObjectsInput{
Bucket: aws.String(s3cli.bucket),
Delete: &s3.Delete{
Objects: objs,
Quiet: aws.Bool(true),
},
}
logger.Debugf("delete hash s3 params: %v", params)
r, err := s3cli.s3.DeleteObjects(params)
if err != nil {
logger.Errorf(err.Error())
} else {
logger.Debugf("%v", r)
}
}
func S3CheckFile(orgname, checksum string) bool {
params := &s3.HeadObjectInput{
Bucket: aws.String(s3cli.bucket),
Key: aws.String(makeBukkitKey(orgname, checksum)),
}
_, err := s3cli.s3.HeadObject(params)
var ret bool
if err == nil {
ret = true
}
return ret
}
func makeBukkitKey(orgname, checksum string) string {
dir := fmt.Sprintf("%c%c", checksum[0], checksum[1])
key := strings.Join([]string{orgname, "file_store", dir, checksum}, "/")
return key
}
// chef insists on putting the port number in the Host: header it sends to
// amazon, even when using normal ports. ?!?!
func (s3c *s3client) makeHostPort(host string) string {
z, _ := regexp.MatchString(`:\d+$`, host)
q := net.ParseIP(host)
var rethost string
if !z && q == nil {
var port string
if *s3c.s3.Config.DisableSSL {
port = "80"
} else {
port = "443"
}
rethost = net.JoinHostPort(host, port)
} else {
rethost = host
}
return rethost
}
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