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Commit | Line | Data |
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ac81d1a0 | 1 | import 'multer' |
f6d6e7f8 | 2 | import { UploadFilesForCheck } from 'express' |
345da516 | 3 | import { sep } from 'path' |
f6d6e7f8 | 4 | import validator from 'validator' |
d4a8e7a6 | 5 | import { isShortUUID, shortToUUID } from '../uuid' |
fdbda9e3 | 6 | |
69818c93 | 7 | function exists (value: any) { |
e4c55619 C |
8 | return value !== undefined && value !== null |
9 | } | |
10 | ||
345da516 C |
11 | function isSafePath (p: string) { |
12 | return exists(p) && | |
13 | (p + '').split(sep).every(part => { | |
f023a19c | 14 | return [ '..' ].includes(part) === false |
345da516 C |
15 | }) |
16 | } | |
17 | ||
c158a5fa | 18 | function isArray (value: any): value is any[] { |
e4c55619 C |
19 | return Array.isArray(value) |
20 | } | |
21 | ||
2f1548fd C |
22 | function isNotEmptyIntArray (value: any) { |
23 | return Array.isArray(value) && value.every(v => validator.isInt('' + v)) && value.length !== 0 | |
cef534ed C |
24 | } |
25 | ||
09209296 C |
26 | function isArrayOf (value: any, validator: (value: any) => boolean) { |
27 | return isArray(value) && value.every(v => validator(v)) | |
28 | } | |
29 | ||
72c7248b C |
30 | function isDateValid (value: string) { |
31 | return exists(value) && validator.isISO8601(value) | |
32 | } | |
33 | ||
34 | function isIdValid (value: string) { | |
35 | return exists(value) && validator.isInt('' + value) | |
36 | } | |
37 | ||
38 | function isUUIDValid (value: string) { | |
39 | return exists(value) && validator.isUUID('' + value, 4) | |
40 | } | |
41 | ||
42 | function isIdOrUUIDValid (value: string) { | |
43 | return isIdValid(value) || isUUIDValid(value) | |
44 | } | |
45 | ||
360329cc | 46 | function isBooleanValid (value: any) { |
47564bbe C |
47 | return typeof value === 'boolean' || (typeof value === 'string' && validator.isBoolean(value)) |
48 | } | |
49 | ||
fb719404 C |
50 | function isIntOrNull (value: any) { |
51 | return value === null || validator.isInt('' + value) | |
52 | } | |
53 | ||
d4a8e7a6 | 54 | // --------------------------------------------------------------------------- |
f0a39880 | 55 | |
f2eb23cd RK |
56 | function isFileFieldValid ( |
57 | files: { [ fieldname: string ]: Express.Multer.File[] } | Express.Multer.File[], | |
58 | field: string, | |
59 | optional = false | |
60 | ) { | |
61 | // Should have files | |
62 | if (!files) return optional | |
63 | if (isArray(files)) return optional | |
64 | ||
65 | // Should have a file | |
66 | const fileArray = files[field] | |
67 | if (!fileArray || fileArray.length === 0) { | |
68 | return optional | |
69 | } | |
70 | ||
71 | // The file should exist | |
72 | const file = fileArray[0] | |
73 | if (!file || !file.originalname) return false | |
74 | return file | |
75 | } | |
76 | ||
77 | function isFileMimeTypeValid ( | |
f6d6e7f8 | 78 | files: UploadFilesForCheck, |
f2eb23cd RK |
79 | mimeTypeRegex: string, |
80 | field: string, | |
81 | optional = false | |
82 | ) { | |
83 | // Should have files | |
84 | if (!files) return optional | |
85 | if (isArray(files)) return optional | |
86 | ||
87 | // Should have a file | |
88 | const fileArray = files[field] | |
89 | if (!fileArray || fileArray.length === 0) { | |
90 | return optional | |
91 | } | |
92 | ||
93 | // The file should exist | |
94 | const file = fileArray[0] | |
95 | if (!file || !file.originalname) return false | |
96 | ||
97 | return new RegExp(`^${mimeTypeRegex}$`, 'i').test(file.mimetype) | |
98 | } | |
99 | ||
ac81d1a0 C |
100 | function isFileValid ( |
101 | files: { [ fieldname: string ]: Express.Multer.File[] } | Express.Multer.File[], | |
102 | mimeTypeRegex: string, | |
103 | field: string, | |
c1e791ba | 104 | maxSize: number | null, |
ac81d1a0 C |
105 | optional = false |
106 | ) { | |
107 | // Should have files | |
108 | if (!files) return optional | |
109 | if (isArray(files)) return optional | |
110 | ||
111 | // Should have a file | |
a1587156 | 112 | const fileArray = files[field] |
ac81d1a0 C |
113 | if (!fileArray || fileArray.length === 0) { |
114 | return optional | |
115 | } | |
116 | ||
117 | // The file should exist | |
a1587156 | 118 | const file = fileArray[0] |
ac81d1a0 C |
119 | if (!file || !file.originalname) return false |
120 | ||
0c237b19 | 121 | // Check size |
c1e791ba | 122 | if ((maxSize !== null) && file.size > maxSize) return false |
0c237b19 | 123 | |
ac81d1a0 C |
124 | return new RegExp(`^${mimeTypeRegex}$`, 'i').test(file.mimetype) |
125 | } | |
126 | ||
e4c55619 C |
127 | // --------------------------------------------------------------------------- |
128 | ||
d4a8e7a6 C |
129 | function toCompleteUUID (value: string) { |
130 | if (isShortUUID(value)) return shortToUUID(value) | |
131 | ||
132 | return value | |
133 | } | |
134 | ||
135 | function toIntOrNull (value: string) { | |
136 | const v = toValueOrNull(value) | |
137 | ||
138 | if (v === null || v === undefined) return v | |
139 | if (typeof v === 'number') return v | |
140 | ||
141 | return validator.toInt('' + v) | |
142 | } | |
143 | ||
144 | function toBooleanOrNull (value: any) { | |
145 | const v = toValueOrNull(value) | |
146 | ||
147 | if (v === null || v === undefined) return v | |
148 | if (typeof v === 'boolean') return v | |
149 | ||
150 | return validator.toBoolean('' + v) | |
151 | } | |
152 | ||
153 | function toValueOrNull (value: string) { | |
154 | if (value === 'null') return null | |
155 | ||
156 | return value | |
157 | } | |
158 | ||
159 | function toArray (value: any) { | |
160 | if (value && isArray(value) === false) return [ value ] | |
161 | ||
162 | return value | |
163 | } | |
164 | ||
165 | function toIntArray (value: any) { | |
166 | if (!value) return [] | |
167 | if (isArray(value) === false) return [ validator.toInt(value) ] | |
168 | ||
169 | return value.map(v => validator.toInt(v)) | |
170 | } | |
171 | ||
172 | // --------------------------------------------------------------------------- | |
173 | ||
65fcc311 C |
174 | export { |
175 | exists, | |
09209296 | 176 | isArrayOf, |
2f1548fd | 177 | isNotEmptyIntArray, |
72c7248b | 178 | isArray, |
fb719404 | 179 | isIntOrNull, |
72c7248b | 180 | isIdValid, |
345da516 | 181 | isSafePath, |
72c7248b | 182 | isUUIDValid, |
d4a8e7a6 | 183 | toCompleteUUID, |
72c7248b | 184 | isIdOrUUIDValid, |
47564bbe | 185 | isDateValid, |
2efd32f6 | 186 | toValueOrNull, |
c8861d5d | 187 | toBooleanOrNull, |
ac81d1a0 | 188 | isBooleanValid, |
360329cc | 189 | toIntOrNull, |
d525fc39 | 190 | toArray, |
f0a39880 | 191 | toIntArray, |
f2eb23cd RK |
192 | isFileFieldValid, |
193 | isFileMimeTypeValid, | |
ac81d1a0 | 194 | isFileValid |
65fcc311 | 195 | } |