This repository has been archived by the owner on Feb 15, 2023. It is now read-only.
-
Notifications
You must be signed in to change notification settings - Fork 49
/
file_create.go
162 lines (140 loc) · 4.12 KB
/
file_create.go
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
// Copyright 2019 The bigfile Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package http
import (
"bytes"
"context"
"errors"
"io"
"mime/multipart"
"net/http"
"reflect"
"github.com/bigfile/bigfile/databases/models"
"github.com/bigfile/bigfile/internal/util"
"github.com/bigfile/bigfile/service"
"github.com/gin-gonic/gin"
"github.com/jinzhu/gorm"
)
var testingChunkRootPath *string
type fileCreateInput struct {
Token string `form:"token" binding:"required"`
Nonce string `form:"nonce" header:"X-Request-Nonce" binding:"required,min=32,max=48"`
Path string `form:"path" binding:"required,max=1000"`
Sign *string `form:"sign" binding:"omitempty"`
Hash *string `form:"hash" binding:"omitempty"`
Size *int `form:"size" binding:"omitempty"`
Overwrite *bool `form:"overwrite,default=0" binding:"omitempty"`
Rename *bool `form:"rename,default=0" binding:"omitempty"`
Append *bool `form:"append,default=0" binding:"omitempty"`
Hidden *bool `form:"hidden,default=0" binding:"omitempty"`
}
// FileCreateHandler is used to create file or directory
func FileCreateHandler(ctx *gin.Context) {
var (
fh *multipart.FileHeader
err error
buf = bytes.NewBuffer(nil)
reader io.Reader
code = 400
reErrors map[string][]string
success bool
data interface{}
db = ctx.MustGet("db").(*gorm.DB)
ip = ctx.ClientIP()
input = ctx.MustGet("inputParam").(*fileCreateInput)
fileCreateSrv = &service.FileCreate{
BaseService: service.BaseService{DB: db},
IP: &ip,
Path: input.Path,
Token: ctx.MustGet("token").(*models.Token),
}
fileCreateValue interface{}
)
defer func() {
ctx.JSON(code, &Response{
RequestID: ctx.GetInt64("requestId"),
Success: success,
Errors: reErrors,
Data: data,
})
}()
if fh, err = ctx.FormFile("file"); err != nil {
if err != http.ErrMissingFile {
reErrors = generateErrors(err, "file")
return
}
} else {
if reader, err = fh.Open(); err != nil {
reErrors = generateErrors(err, "file")
return
}
if _, err = io.Copy(buf, reader); err != nil {
reErrors = generateErrors(err, "")
return
}
if buf.Len() > models.ChunkSize {
reErrors = generateErrors(models.ErrChunkExceedLimit, "file")
return
}
// here, assign buf to reader, because the origin reader is multipart.sectionReadCloser
// and the content of the origin reader has exhausted
reader = buf
if reErrors = validateHashAndSize(input, buf); reErrors != nil {
return
}
}
fileCreateSrv.Reader = reader
setFileCreateSrv(input, fileCreateSrv)
if err := fileCreateSrv.Validate(); !reflect.ValueOf(err).IsNil() {
reErrors = generateErrors(err, "")
return
}
if fileCreateValue, err = fileCreateSrv.Execute(context.Background()); err != nil {
reErrors = generateErrors(err, "")
return
}
if data, err = fileResp(fileCreateValue.(*models.File), db); err != nil {
reErrors = generateErrors(err, "")
return
}
code = 200
success = true
}
func setFileCreateSrv(input *fileCreateInput, fileCreateSrv *service.FileCreate) {
if input.Hidden != nil && *input.Hidden {
fileCreateSrv.Hidden = 1
}
if input.Overwrite != nil && *input.Overwrite {
fileCreateSrv.Overwrite = 1
}
if input.Append != nil && *input.Append {
fileCreateSrv.Append = 1
}
if input.Rename != nil && *input.Rename {
fileCreateSrv.Rename = 1
}
if isTesting {
fileCreateSrv.RootPath = testingChunkRootPath
}
}
func validateHashAndSize(input *fileCreateInput, buf *bytes.Buffer) (reErrors map[string][]string) {
if input.Hash != nil || input.Size != nil {
if input.Size != nil && buf.Len() != *input.Size {
reErrors = generateErrors(errors.New("the size of file doesn't match"), "size")
}
if input.Hash != nil {
var (
h string
err error
)
if h, err = util.Sha256Hash2String(buf.Bytes()); err != nil {
reErrors = generateErrors(err, "")
}
if h != *input.Hash {
reErrors = generateErrors(errors.New("the hash of file doesn't match"), "hash")
}
}
}
return
}