]>
Commit | Line | Data |
---|---|---|
ac81d1a0 | 1 | import 'multer' |
7cde3b9c | 2 | import validator from 'validator' |
345da516 | 3 | import { sep } from 'path' |
fdbda9e3 | 4 | |
69818c93 | 5 | function exists (value: any) { |
e4c55619 C |
6 | return value !== undefined && value !== null |
7 | } | |
8 | ||
345da516 C |
9 | function isSafePath (p: string) { |
10 | return exists(p) && | |
11 | (p + '').split(sep).every(part => { | |
f023a19c | 12 | return [ '..' ].includes(part) === false |
345da516 C |
13 | }) |
14 | } | |
15 | ||
69818c93 | 16 | function isArray (value: any) { |
e4c55619 C |
17 | return Array.isArray(value) |
18 | } | |
19 | ||
2f1548fd C |
20 | function isNotEmptyIntArray (value: any) { |
21 | return Array.isArray(value) && value.every(v => validator.isInt('' + v)) && value.length !== 0 | |
cef534ed C |
22 | } |
23 | ||
09209296 C |
24 | function isArrayOf (value: any, validator: (value: any) => boolean) { |
25 | return isArray(value) && value.every(v => validator(v)) | |
26 | } | |
27 | ||
72c7248b C |
28 | function isDateValid (value: string) { |
29 | return exists(value) && validator.isISO8601(value) | |
30 | } | |
31 | ||
32 | function isIdValid (value: string) { | |
33 | return exists(value) && validator.isInt('' + value) | |
34 | } | |
35 | ||
36 | function isUUIDValid (value: string) { | |
37 | return exists(value) && validator.isUUID('' + value, 4) | |
38 | } | |
39 | ||
40 | function isIdOrUUIDValid (value: string) { | |
41 | return isIdValid(value) || isUUIDValid(value) | |
42 | } | |
43 | ||
360329cc | 44 | function isBooleanValid (value: any) { |
47564bbe C |
45 | return typeof value === 'boolean' || (typeof value === 'string' && validator.isBoolean(value)) |
46 | } | |
47 | ||
fb719404 C |
48 | function isIntOrNull (value: any) { |
49 | return value === null || validator.isInt('' + value) | |
50 | } | |
51 | ||
360329cc | 52 | function toIntOrNull (value: string) { |
c8861d5d C |
53 | const v = toValueOrNull(value) |
54 | ||
55 | if (v === null || v === undefined) return v | |
56 | if (typeof v === 'number') return v | |
57 | ||
2b65c4e5 | 58 | return validator.toInt('' + v) |
c8861d5d C |
59 | } |
60 | ||
61 | function toBooleanOrNull (value: any) { | |
62 | const v = toValueOrNull(value) | |
63 | ||
64 | if (v === null || v === undefined) return v | |
65 | if (typeof v === 'boolean') return v | |
360329cc | 66 | |
2b65c4e5 | 67 | return validator.toBoolean('' + v) |
360329cc C |
68 | } |
69 | ||
2efd32f6 | 70 | function toValueOrNull (value: string) { |
360329cc C |
71 | if (value === 'null') return null |
72 | ||
73 | return value | |
74 | } | |
75 | ||
f0a39880 | 76 | function toArray (value: any) { |
d525fc39 C |
77 | if (value && isArray(value) === false) return [ value ] |
78 | ||
79 | return value | |
80 | } | |
81 | ||
f0a39880 C |
82 | function toIntArray (value: any) { |
83 | if (!value) return [] | |
84 | if (isArray(value) === false) return [ validator.toInt(value) ] | |
85 | ||
86 | return value.map(v => validator.toInt(v)) | |
87 | } | |
88 | ||
f2eb23cd RK |
89 | function isFileFieldValid ( |
90 | files: { [ fieldname: string ]: Express.Multer.File[] } | Express.Multer.File[], | |
91 | field: string, | |
92 | optional = false | |
93 | ) { | |
94 | // Should have files | |
95 | if (!files) return optional | |
96 | if (isArray(files)) return optional | |
97 | ||
98 | // Should have a file | |
99 | const fileArray = files[field] | |
100 | if (!fileArray || fileArray.length === 0) { | |
101 | return optional | |
102 | } | |
103 | ||
104 | // The file should exist | |
105 | const file = fileArray[0] | |
106 | if (!file || !file.originalname) return false | |
107 | return file | |
108 | } | |
109 | ||
110 | function isFileMimeTypeValid ( | |
111 | files: { [ fieldname: string ]: Express.Multer.File[] } | Express.Multer.File[], | |
112 | mimeTypeRegex: string, | |
113 | field: string, | |
114 | optional = false | |
115 | ) { | |
116 | // Should have files | |
117 | if (!files) return optional | |
118 | if (isArray(files)) return optional | |
119 | ||
120 | // Should have a file | |
121 | const fileArray = files[field] | |
122 | if (!fileArray || fileArray.length === 0) { | |
123 | return optional | |
124 | } | |
125 | ||
126 | // The file should exist | |
127 | const file = fileArray[0] | |
128 | if (!file || !file.originalname) return false | |
129 | ||
130 | return new RegExp(`^${mimeTypeRegex}$`, 'i').test(file.mimetype) | |
131 | } | |
132 | ||
ac81d1a0 C |
133 | function isFileValid ( |
134 | files: { [ fieldname: string ]: Express.Multer.File[] } | Express.Multer.File[], | |
135 | mimeTypeRegex: string, | |
136 | field: string, | |
c1e791ba | 137 | maxSize: number | null, |
ac81d1a0 C |
138 | optional = false |
139 | ) { | |
140 | // Should have files | |
141 | if (!files) return optional | |
142 | if (isArray(files)) return optional | |
143 | ||
144 | // Should have a file | |
a1587156 | 145 | const fileArray = files[field] |
ac81d1a0 C |
146 | if (!fileArray || fileArray.length === 0) { |
147 | return optional | |
148 | } | |
149 | ||
150 | // The file should exist | |
a1587156 | 151 | const file = fileArray[0] |
ac81d1a0 C |
152 | if (!file || !file.originalname) return false |
153 | ||
0c237b19 | 154 | // Check size |
c1e791ba | 155 | if ((maxSize !== null) && file.size > maxSize) return false |
0c237b19 | 156 | |
ac81d1a0 C |
157 | return new RegExp(`^${mimeTypeRegex}$`, 'i').test(file.mimetype) |
158 | } | |
159 | ||
e4c55619 C |
160 | // --------------------------------------------------------------------------- |
161 | ||
65fcc311 C |
162 | export { |
163 | exists, | |
09209296 | 164 | isArrayOf, |
2f1548fd | 165 | isNotEmptyIntArray, |
72c7248b | 166 | isArray, |
fb719404 | 167 | isIntOrNull, |
72c7248b | 168 | isIdValid, |
345da516 | 169 | isSafePath, |
72c7248b C |
170 | isUUIDValid, |
171 | isIdOrUUIDValid, | |
47564bbe | 172 | isDateValid, |
2efd32f6 | 173 | toValueOrNull, |
c8861d5d | 174 | toBooleanOrNull, |
ac81d1a0 | 175 | isBooleanValid, |
360329cc | 176 | toIntOrNull, |
d525fc39 | 177 | toArray, |
f0a39880 | 178 | toIntArray, |
f2eb23cd RK |
179 | isFileFieldValid, |
180 | isFileMimeTypeValid, | |
ac81d1a0 | 181 | isFileValid |
65fcc311 | 182 | } |