Create & Init Project...

app/admin/main/feed/dao/bfs/BUILD

@@ -0,0 +1,45 @@
+package(default_visibility = ["//visibility:public"])
+
+load(
+    "@io_bazel_rules_go//go:def.bzl",
+    "go_test",
+    "go_library",
+)
+
+go_test(
+    name = "go_default_test",
+    srcs = ["bfs_test.go"],
+    embed = [":go_default_library"],
+    rundir = ".",
+    tags = ["automanaged"],
+    deps = [
+        "//app/admin/main/feed/conf:go_default_library",
+        "//vendor/github.com/smartystreets/goconvey/convey:go_default_library",
+    ],
+)
+
+go_library(
+    name = "go_default_library",
+    srcs = ["bfs.go"],
+    importpath = "go-common/app/admin/main/feed/dao/bfs",
+    tags = ["automanaged"],
+    visibility = ["//visibility:public"],
+    deps = [
+        "//app/admin/main/feed/conf:go_default_library",
+        "//library/log:go_default_library",
+    ],
+)
+
+filegroup(
+    name = "package-srcs",
+    srcs = glob(["**"]),
+    tags = ["automanaged"],
+    visibility = ["//visibility:private"],
+)
+
+filegroup(
+    name = "all-srcs",
+    srcs = [":package-srcs"],
+    tags = ["automanaged"],
+    visibility = ["//visibility:public"],
+)

app/admin/main/feed/dao/bfs/bfs.go

@@ -0,0 +1,118 @@
+package bfs
+
+import (
+	"bytes"
+	"context"
+	"crypto/hmac"
+	"crypto/md5"
+	"crypto/sha1"
+	"encoding/base64"
+	"encoding/hex"
+	"fmt"
+	"hash"
+	"io"
+	"net/http"
+	"strconv"
+	"time"
+
+	"go-common/app/admin/main/feed/conf"
+	"go-common/library/log"
+)
+
+const (
+	_template = "%s\n%s\n\n%d\n"
+	_method   = "PUT"
+)
+
+// Dao is bfs dao.
+type Dao struct {
+	c      *conf.Config
+	client *http.Client
+	bucket string
+	url    string
+	key    string
+	secret string
+}
+
+//New bfs dao.
+func New(c *conf.Config) (d *Dao) {
+	d = &Dao{
+		c: c,
+		// http client
+		client: &http.Client{
+			Timeout: time.Duration(c.Bfs.Timeout),
+		},
+		bucket: c.Bfs.Bucket,
+		url:    c.Bfs.Addr,
+		key:    c.Bfs.Key,
+		secret: c.Bfs.Secret,
+	}
+	return
+}
+
+// Upload upload bfs.
+func (d *Dao) Upload(c context.Context, fileType string, body io.Reader) (location string, err error) {
+	req, err := http.NewRequest(_method, d.url, body)
+	if err != nil {
+		log.Error("http.NewRequest error (%v) | fileType(%s) body(%v)", err, fileType, body)
+		return
+	}
+	expire := time.Now().Unix()
+	authorization := authorize(d.key, d.secret, _method, d.bucket, expire)
+	req.Header.Set("Host", d.url)
+	req.Header.Add("Date", fmt.Sprint(expire))
+	req.Header.Add("Authorization", authorization)
+	req.Header.Add("Content-Type", fileType)
+	log.Error("Authorization_:%v", authorization)
+	// timeout
+	c, cancel := context.WithTimeout(c, time.Duration(d.c.Bfs.Timeout))
+	req = req.WithContext(c)
+	defer cancel()
+	resp, err := d.client.Do(req)
+	if err != nil {
+		log.Error("d.Client.Do error(%v) | _url(%s) req(%v)", err, d.url, req)
+		err = fmt.Errorf("d.Client.Do error(%v) | _url(%s) req(%v)", err, d.url, req)
+		return
+	}
+	if resp.StatusCode != http.StatusOK {
+		log.Error("Upload http.StatusCode nq http.StatusOK (%d) | url(%s)", resp.StatusCode, d.url)
+		err = fmt.Errorf("Upload http.StatusCode nq http.StatusOK (%d) | url(%s)", resp.StatusCode, d.url)
+		return
+	}
+	header := resp.Header
+	code := header.Get("Code")
+	if code != strconv.Itoa(http.StatusOK) {
+		log.Error("strconv.Itoa err, code(%s) | url(%s)", code, d.url)
+		err = fmt.Errorf("strconv.Itoa err, code(%s) | url(%s)", code, d.url)
+		return
+	}
+	location = header.Get("Location")
+	return
+}
+
+// authorize returns authorization for upload file to bfs
+func authorize(key, secret, method, bucket string, expire int64) (authorization string) {
+	var (
+		content   string
+		mac       hash.Hash
+		signature string
+	)
+	content = fmt.Sprintf(_template, method, bucket, expire)
+	mac = hmac.New(sha1.New, []byte(secret))
+	mac.Write([]byte(content))
+	signature = base64.StdEncoding.EncodeToString(mac.Sum(nil))
+	authorization = fmt.Sprintf("%s:%s:%d", key, signature, expire)
+	return
+}
+
+// FileMd5 calculates the local file's md5 and store it in a file
+func (d *Dao) FileMd5(content []byte) (md5Str string, err error) {
+	md5hash := md5.New()
+	if _, err = io.Copy(md5hash, bytes.NewReader(content)); err != nil {
+		log.Error("FileMd5 is error (%v)", err)
+		return
+	}
+	md5 := md5hash.Sum(nil)
+	md5Str = hex.EncodeToString(md5[:])
+	return
+}

app/admin/main/feed/dao/bfs/bfs_test.go

@@ -0,0 +1,37 @@
+package bfs
+
+import (
+	"context"
+	"flag"
+	"path/filepath"
+	"testing"
+	"time"
+
+	"go-common/app/admin/main/feed/conf"
+
+	. "github.com/smartystreets/goconvey/convey"
+)
+
+var (
+	d *Dao
+)
+
+func ctx() context.Context {
+	return context.Background()
+}
+
+func init() {
+	dir, _ := filepath.Abs("../../cmd/app-admin-test.toml")
+	flag.Set("conf", dir)
+	conf.Init()
+	d = New(conf.Conf)
+	time.Sleep(time.Second)
+}
+
+func TestUpload(t *testing.T) {
+	Convey("pull file bfs", t, func() {
+		res, err := d.Upload(ctx(), "image/jpeg", nil)
+		So(err, ShouldBeNil)
+		So(res, ShouldNotBeEmpty)
+	})
+}