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Add pre-condition check

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Him188 2020-03-29 12:41:07 +08:00
parent 90ef83e345
commit 04b0287738
1 changed files with 1 additions and 1 deletions
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mirai-core/src/jvmMain/kotlin/net/mamoe/mirai/message/SendImageUtilsJvm.kt
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@ -116,7 +116,7 @@ suspend fun InputStream.uploadAsImage(contact: Contact): OfflineImage =
*/
@Throws(OverFileSizeMaxException::class)
suspend fun File.uploadAsImage(contact: Contact): OfflineImage {
require(this.exists() && this.canRead())
require(this.isFile && this.exists() && this.canRead()) { "file ${this.path} is not readable" }
return withContext(Dispatchers.IO) { toExternalImage() }.upload(contact)
}