/
util.go
123 lines (100 loc) · 2.8 KB
/
util.go
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package data_store
import (
"bytes"
"context"
"crypto/tls"
"fmt"
"net"
"net/http"
"os"
"regexp"
"strings"
"time"
"go.uber.org/zap"
)
const globCharacters string = "?*"
func elapsed(start time.Time, message string) {
elapsed := time.Since(start)
zap.S().Debugf("%s duration %s", message, elapsed)
}
func isWildcard(s string) bool {
return strings.ContainsAny(s, globCharacters)
}
func wildcardPrefix(s string) string {
return s[:strings.IndexAny(s, globCharacters)]
}
func isWildcardMatch(exp, s string) bool {
rexp := strings.ReplaceAll(exp, ".", "\\.")
rexp = strings.ReplaceAll(rexp, "?", ".")
rexp = strings.ReplaceAll(rexp, "*", ".*")
re := regexp.MustCompile(rexp)
return re.MatchString(s)
}
func list(c IDataStoreClient, bucket string, prefix string) ([]string, error) {
if len(bucket) == 0 || len(prefix) == 0 {
zap.S().Errorf("Bucket or prefix are empty")
return nil, fmt.Errorf("Bucket or prefix are empty")
}
start := time.Now()
defer elapsed(start, "["+c.StorageType()+"] List files")
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
list := []string{}
reader, err := c.ListChan(ctx, bucket, prefix)
if err != nil {
return nil, err
}
for file := range reader {
list = append(list, file)
}
return list, nil
}
func uploadFromFile(c IDataStoreClient, name string, folder string) error {
if len(name) == 0 || len(folder) == 0 {
zap.S().Errorf("Name or folder are empty")
return fmt.Errorf("Name or folder are empty")
}
start := time.Now()
defer elapsed(start, "["+c.StorageType()+"] Upload from file")
file, err := os.Open(name)
if err != nil {
return err
}
defer file.Close()
fileStat, err := file.Stat()
if err != nil {
return err
}
if !fileStat.Mode().IsRegular() {
return fmt.Errorf("%s is not a regular file", name)
}
return c.UploadFromReader(file, fileStat.Size(), folder, fileStat.Name())
}
func uploadFromBytes(c IDataStoreClient, data []byte, folder string, name string) error {
if len(data) == 0 || len(folder) == 0 || len(name) == 0 {
zap.S().Errorf("Data, folder or name are empty")
return fmt.Errorf("Data, folder or name are empty")
}
start := time.Now()
defer elapsed(start, "["+c.StorageType()+"] Upload from bytes")
reader := bytes.NewReader(data)
return c.UploadFromReader(reader, int64(reader.Len()), folder, name)
}
func testEndpoint(url string, skiptls bool) error {
transport := http.Transport{
Proxy: http.ProxyFromEnvironment,
Dial: (&net.Dialer{
// Modify the time to wait for a connection to establish
Timeout: 3 * time.Second,
KeepAlive: 30 * time.Second,
}).Dial,
TLSClientConfig: &tls.Config{InsecureSkipVerify: skiptls},
TLSHandshakeTimeout: 10 * time.Second,
}
client := http.Client{
Transport: &transport,
Timeout: 5 * time.Second,
}
_, err := client.Get(url)
return err
}