Create & Init Project...

app/admin/main/credit/dao/upload/BUILD

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+package(default_visibility = ["//visibility:public"])
+
+load(
+    "@io_bazel_rules_go//go:def.bzl",
+    "go_test",
+    "go_library",
+)
+
+go_test(
+    name = "go_default_test",
+    srcs = ["dao_test.go"],
+    embed = [":go_default_library"],
+    rundir = ".",
+    tags = ["automanaged"],
+    deps = [
+        "//app/admin/main/credit/conf:go_default_library",
+        "//vendor/github.com/smartystreets/goconvey/convey:go_default_library",
+        "//vendor/gopkg.in/h2non/gock.v1:go_default_library",
+    ],
+)
+
+go_library(
+    name = "go_default_library",
+    srcs = ["dao.go"],
+    importpath = "go-common/app/admin/main/credit/dao/upload",
+    tags = ["automanaged"],
+    visibility = ["//visibility:public"],
+    deps = [
+        "//app/admin/main/credit/conf:go_default_library",
+        "//library/log:go_default_library",
+        "//library/net/http/blademaster: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/credit/dao/upload/dao.go

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+package upload
+
+import (
+	"context"
+	"crypto/hmac"
+	"crypto/sha1"
+	"encoding/base64"
+	"fmt"
+	"hash"
+	"io"
+	"net/http"
+	"strconv"
+
+	"go-common/app/admin/main/credit/conf"
+	"go-common/library/log"
+	httpx "go-common/library/net/http/blademaster"
+)
+
+const (
+	_uploadURL = "/bfs/%s/%s"
+	_template  = "%s\n%s\n%s\n%d\n"
+	_method    = "PUT"
+	_bucket    = "test" //blocked
+)
+
+// Dao .
+type Dao struct {
+	key    string
+	secret string
+	host   string
+	client *httpx.Client
+}
+
+// New .
+func New(c *conf.Config) (d *Dao) {
+	d = &Dao{
+		key:    c.BFS.Key,
+		secret: c.BFS.Secret,
+		host:   c.Host.Bfs,
+		client: httpx.NewClient(c.HTTPClient),
+	}
+	return
+}
+
+// Upload upload picture or log file to bfs
+func (d *Dao) Upload(c context.Context, fileName, fileType string, expire int64, body io.Reader) (location string, err error) {
+	var (
+		url  string
+		req  *http.Request
+		resp *http.Response
+		code int
+	)
+	client := &http.Client{}
+	url = fmt.Sprintf(d.host+_uploadURL, _bucket, fileName)
+	if req, err = http.NewRequest(_method, url, body); err != nil {
+		log.Error("http.NewRequest() Upload(%v) error(%v)", url, err)
+		return
+	}
+	authorization := authorize(d.key, d.secret, _method, _bucket, fileName, expire)
+	req.Header.Set("Host", d.host)
+	req.Header.Add("Date", fmt.Sprint(expire))
+	req.Header.Add("Authorization", authorization)
+	req.Header.Add("Content-Type", fileType)
+	resp, err = client.Do(req)
+	if err != nil {
+		log.Error("resp.Do(%s) error(%v)", url, err)
+		return
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusOK {
+		err = fmt.Errorf("status code error:%v", resp.StatusCode)
+		return
+	}
+	code, err = strconv.Atoi(resp.Header.Get("code"))
+	if err != nil || code != 200 {
+		err = fmt.Errorf("response code error:%v", code)
+		return
+	}
+	location = resp.Header.Get("Location")
+	return
+}
+
+// authorize returns authorization for upload file to bfs
+func authorize(key, secret, method, bucket, file string, expire int64) (authorization string) {
+	var (
+		content   string
+		mac       hash.Hash
+		signature string
+	)
+	content = fmt.Sprintf(_template, method, bucket, file, 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
+}

app/admin/main/credit/dao/upload/dao_test.go

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+package upload
+
+import (
+	"context"
+	"flag"
+	"path/filepath"
+	"strings"
+	"testing"
+
+	"go-common/app/admin/main/credit/conf"
+
+	. "github.com/smartystreets/goconvey/convey"
+	"gopkg.in/h2non/gock.v1"
+)
+
+var d *Dao
+
+func init() {
+	dir, _ := filepath.Abs("../cmd/convey-test.toml")
+	flag.Set("conf", dir)
+	conf.Init()
+	d = New(conf.Conf)
+}
+
+func WithDao(f func(d *Dao)) func() {
+	return func() {
+		f(d)
+	}
+}
+
+func httpMock(method, url string) *gock.Request {
+	r := gock.New(url)
+	r.Method = strings.ToUpper(method)
+	return r
+}
+
+func ctx() context.Context {
+	return context.Background()
+}
+
+func Test_Upload(t *testing.T) {
+	Convey("return someting", t, func() {
+		_, err := d.Upload(context.TODO(), "blocked_info", "", 12313, nil)
+		So(err, ShouldBeNil)
+	})
+}