115 lines
4.2 KiB
Kotlin
115 lines
4.2 KiB
Kotlin
package com.android.trisolarisserver.component
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import org.apache.pdfbox.pdmodel.PDDocument
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import org.apache.pdfbox.pdmodel.PDPage
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import org.apache.pdfbox.pdmodel.PDPageContentStream
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import org.apache.pdfbox.pdmodel.common.PDRectangle
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import org.apache.pdfbox.pdmodel.font.PDType1Font
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import org.springframework.beans.factory.annotation.Value
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import org.springframework.stereotype.Component
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import java.nio.file.Files
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import java.nio.file.Paths
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import java.time.OffsetDateTime
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import java.util.UUID
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@Component
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class EmailStorage(
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@Value("\${storage.emails.root:/home/androidlover5842/docs/emails}")
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private val rootPath: String
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) {
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fun storePdf(propertyId: UUID?, messageId: String?, subject: String?, body: String): String {
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val dir = if (propertyId != null) {
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Paths.get(rootPath, propertyId.toString())
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} else {
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Paths.get(rootPath, "unassigned")
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}
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Files.createDirectories(dir)
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val safeName = (messageId ?: UUID.randomUUID().toString()).replace(Regex("[^A-Za-z0-9._-]"), "_")
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val fileName = "${safeName}_${OffsetDateTime.now().toEpochSecond()}.pdf"
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val path = dir.resolve(fileName).normalize()
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val tmp = dir.resolve("${fileName}.tmp").normalize()
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val document = PDDocument()
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val page = PDPage(PDRectangle.LETTER)
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document.addPage(page)
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val header = "Subject: ${subject ?: ""}\n\n"
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writeText(document, page, header + body)
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document.save(tmp.toFile())
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document.close()
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atomicMove(tmp, path)
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return path.toString()
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}
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private fun writeText(document: PDDocument, firstPage: PDPage, text: String) {
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var page = firstPage
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var y = 730f
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val marginX = 50f
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val lineHeight = 14f
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val maxLines = 48
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var linesOnPage = 0
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var content = PDPageContentStream(document, page)
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content.beginText()
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content.setFont(PDType1Font.HELVETICA, 11f)
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content.newLineAtOffset(marginX, y)
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fun newLine() {
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content.newLineAtOffset(0f, -lineHeight)
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y -= lineHeight
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linesOnPage++
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if (linesOnPage >= maxLines) {
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content.endText()
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content.close()
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page = PDPage(PDRectangle.LETTER)
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document.addPage(page)
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content = PDPageContentStream(document, page)
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content.beginText()
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content.setFont(PDType1Font.HELVETICA, 11f)
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y = 730f
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linesOnPage = 0
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content.newLineAtOffset(marginX, y)
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}
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}
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val lines = text.split("\n")
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for (line in lines) {
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val chunks = line.chunked(90)
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for (chunk in chunks) {
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content.showText(chunk)
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newLine()
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}
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}
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content.endText()
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content.close()
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}
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fun storeEml(propertyId: UUID?, messageId: String?, rawBytes: ByteArray): String {
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val dir = if (propertyId != null) {
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Paths.get(rootPath, propertyId.toString(), "raw")
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} else {
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Paths.get(rootPath, "unassigned", "raw")
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}
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Files.createDirectories(dir)
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val safeName = (messageId ?: UUID.randomUUID().toString()).replace(Regex("[^A-Za-z0-9._-]"), "_")
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val fileName = "${safeName}_${OffsetDateTime.now().toEpochSecond()}.eml"
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val path = dir.resolve(fileName).normalize()
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val tmp = dir.resolve("${fileName}.tmp").normalize()
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Files.write(tmp, rawBytes)
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atomicMove(tmp, path)
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return path.toString()
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}
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fun storeUploadedPdf(propertyId: UUID, originalName: String?, bytes: ByteArray): String {
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val dir = Paths.get(rootPath, propertyId.toString(), "manual")
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Files.createDirectories(dir)
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val safeName = (originalName ?: UUID.randomUUID().toString()).replace(Regex("[^A-Za-z0-9._-]"), "_")
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val fileName = "${safeName}_${OffsetDateTime.now().toEpochSecond()}.pdf"
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val path = dir.resolve(fileName).normalize()
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val tmp = dir.resolve("${fileName}.tmp").normalize()
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Files.write(tmp, bytes)
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atomicMove(tmp, path)
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return path.toString()
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}
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}
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