Add ebook support

This commit is contained in:
Anthony Stirling
2024-01-09 22:39:21 +00:00
parent 572f9f728f
commit ef12c2f892
22 changed files with 668 additions and 52 deletions

View File

@@ -0,0 +1,68 @@
package stirling.software.SPDF.controller.api.converters;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.ModelAttribute;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.multipart.MultipartFile;
import io.swagger.v3.oas.annotations.Operation;
import io.swagger.v3.oas.annotations.tags.Tag;
import stirling.software.SPDF.model.api.GeneralFile;
import stirling.software.SPDF.utils.FileToPdf;
import stirling.software.SPDF.utils.WebResponseUtils;
@RestController
@Tag(name = "Convert", description = "Convert APIs")
@RequestMapping("/api/v1/convert")
public class ConvertBookToPDFController {
@Autowired
@Qualifier("bookFormatsInstalled")
private boolean bookFormatsInstalled;
@PostMapping(consumes = "multipart/form-data", value = "/book/pdf")
@Operation(
summary =
"Convert a BOOK/comic (*.epub | *.mobi | *.azw3 | *.fb2 | *.txt | *.docx) to PDF",
description =
"(Requires bookFormatsInstalled flag and Calibre installed) This endpoint takes an BOOK/comic (*.epub | *.mobi | *.azw3 | *.fb2 | *.txt | *.docx) input and converts it to PDF format.")
public ResponseEntity<byte[]> HtmlToPdf(@ModelAttribute GeneralFile request) throws Exception {
MultipartFile fileInput = request.getFileInput();
if (!bookFormatsInstalled) {
throw new IllegalArgumentException(
"bookFormatsInstalled flag is False, this functionality is not avaiable");
}
if (fileInput == null) {
throw new IllegalArgumentException("Please provide a file for conversion.");
}
String originalFilename = fileInput.getOriginalFilename();
if (originalFilename != null) {
String originalFilenameLower = originalFilename.toLowerCase();
if (!originalFilenameLower.endsWith(".epub")
&& !originalFilenameLower.endsWith(".mobi")
&& !originalFilenameLower.endsWith(".azw3")
&& !originalFilenameLower.endsWith(".fb2")
&& !originalFilenameLower.endsWith(".txt")
&& !originalFilenameLower.endsWith(".docx")) {
throw new IllegalArgumentException(
"File must be in .epub, .mobi, .azw3, .fb2, .txt, or .docx format.");
}
}
byte[] pdfBytes = FileToPdf.convertBookTypeToPdf(fileInput.getBytes(), originalFilename);
String outputFilename =
originalFilename.replaceFirst("[.][^.]+$", "")
+ ".pdf"; // Remove file extension and append .pdf
return WebResponseUtils.bytesToWebResponse(pdfBytes, outputFilename);
}
}

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@@ -1,5 +1,7 @@
package stirling.software.SPDF.controller.api.converters;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.ModelAttribute;
import org.springframework.web.bind.annotation.PostMapping;
@@ -19,6 +21,10 @@ import stirling.software.SPDF.utils.WebResponseUtils;
@RequestMapping("/api/v1/convert")
public class ConvertHtmlToPDF {
@Autowired
@Qualifier("htmlFormatsInstalled")
private boolean htmlFormatsInstalled;
@PostMapping(consumes = "multipart/form-data", value = "/html/pdf")
@Operation(
summary = "Convert an HTML or ZIP (containing HTML and CSS) to PDF",
@@ -37,7 +43,9 @@ public class ConvertHtmlToPDF {
|| (!originalFilename.endsWith(".html") && !originalFilename.endsWith(".zip"))) {
throw new IllegalArgumentException("File must be either .html or .zip format.");
}
byte[] pdfBytes = FileToPdf.convertHtmlToPdf(fileInput.getBytes(), originalFilename);
byte[] pdfBytes =
FileToPdf.convertHtmlToPdf(
fileInput.getBytes(), originalFilename, htmlFormatsInstalled);
String outputFilename =
originalFilename.replaceFirst("[.][^.]+$", "")

View File

@@ -3,6 +3,8 @@ package stirling.software.SPDF.controller.api.converters;
import org.commonmark.node.Node;
import org.commonmark.parser.Parser;
import org.commonmark.renderer.html.HtmlRenderer;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.ModelAttribute;
import org.springframework.web.bind.annotation.PostMapping;
@@ -22,6 +24,10 @@ import stirling.software.SPDF.utils.WebResponseUtils;
@RequestMapping("/api/v1/convert")
public class ConvertMarkdownToPdf {
@Autowired
@Qualifier("htmlFormatsInstalled")
private boolean htmlFormatsInstalled;
@PostMapping(consumes = "multipart/form-data", value = "/markdown/pdf")
@Operation(
summary = "Convert a Markdown file to PDF",
@@ -46,7 +52,9 @@ public class ConvertMarkdownToPdf {
HtmlRenderer renderer = HtmlRenderer.builder().build();
String htmlContent = renderer.render(document);
byte[] pdfBytes = FileToPdf.convertHtmlToPdf(htmlContent.getBytes(), "converted.html");
byte[] pdfBytes =
FileToPdf.convertHtmlToPdf(
htmlContent.getBytes(), "converted.html", htmlFormatsInstalled);
String outputFilename =
originalFilename.replaceFirst("[.][^.]+$", "")

View File

@@ -0,0 +1,101 @@
package stirling.software.SPDF.controller.api.converters;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.ModelAttribute;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.multipart.MultipartFile;
import io.swagger.v3.oas.annotations.Operation;
import io.swagger.v3.oas.annotations.tags.Tag;
import stirling.software.SPDF.model.api.converters.PdfToBookRequest;
import stirling.software.SPDF.utils.ProcessExecutor;
import stirling.software.SPDF.utils.ProcessExecutor.ProcessExecutorResult;
import stirling.software.SPDF.utils.WebResponseUtils;
@RestController
@Tag(name = "Convert", description = "Convert APIs")
@RequestMapping("/api/v1/convert")
public class ConvertPDFToBookController {
@Autowired
@Qualifier("bookFormatsInstalled")
private boolean bookFormatsInstalled;
@PostMapping(consumes = "multipart/form-data", value = "/pdf/book")
@Operation(
summary =
"Convert a PDF to a Book/comic (*.epub | *.mobi | *.azw3 | *.fb2 | *.txt | *.docx .. (others to include by chatgpt) to PDF",
description =
"(Requires bookFormatsInstalled flag and Calibre installed) This endpoint Convert a PDF to a Book/comic (*.epub | *.mobi | *.azw3 | *.fb2 | *.txt | *.docx .. (others to include by chatgpt) to PDF")
public ResponseEntity<byte[]> HtmlToPdf(@ModelAttribute PdfToBookRequest request)
throws Exception {
MultipartFile fileInput = request.getFileInput();
if (!bookFormatsInstalled) {
throw new IllegalArgumentException(
"bookFormatsInstalled flag is False, this functionality is not avaiable");
}
if (fileInput == null) {
throw new IllegalArgumentException("Please provide a file for conversion.");
}
// Validate the output format
String outputFormat = request.getOutputFormat().toLowerCase();
List<String> allowedFormats =
Arrays.asList(
"epub", "mobi", "azw3", "docx", "rtf", "txt", "html", "lit", "fb2", "pdb",
"lrf");
if (!allowedFormats.contains(outputFormat)) {
throw new IllegalArgumentException("Invalid output format: " + outputFormat);
}
byte[] outputFileBytes;
List<String> command = new ArrayList<>();
Path tempOutputFile =
Files.createTempFile(
"output_",
"." + outputFormat); // Use the output format for the file extension
Path tempInputFile = null;
try {
// Create temp input file from the provided PDF
tempInputFile = Files.createTempFile("input_", ".pdf"); // Assuming input is always PDF
Files.write(tempInputFile, fileInput.getBytes());
command.add("ebook-convert");
command.add(tempInputFile.toString());
command.add(tempOutputFile.toString());
ProcessExecutorResult returnCode =
ProcessExecutor.getInstance(ProcessExecutor.Processes.CALIBRE)
.runCommandWithOutputHandling(command);
outputFileBytes = Files.readAllBytes(tempOutputFile);
} finally {
// Clean up temporary files
if (tempInputFile != null) {
Files.deleteIfExists(tempInputFile);
}
Files.deleteIfExists(tempOutputFile);
}
String outputFilename =
fileInput.getOriginalFilename().replaceFirst("[.][^.]+$", "")
+ "."
+ outputFormat; // Remove file extension and append .pdf
return WebResponseUtils.bytesToWebResponse(outputFileBytes, outputFilename);
}
}

View File

@@ -6,6 +6,8 @@ import java.nio.file.Path;
import java.util.ArrayList;
import java.util.List;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.ModelAttribute;
import org.springframework.web.bind.annotation.PostMapping;
@@ -26,6 +28,10 @@ import stirling.software.SPDF.utils.WebResponseUtils;
@RequestMapping("/api/v1/convert")
public class ConvertWebsiteToPDF {
@Autowired
@Qualifier("htmlFormatsInstalled")
private boolean htmlFormatsInstalled;
@PostMapping(consumes = "multipart/form-data", value = "/url/pdf")
@Operation(
summary = "Convert a URL to a PDF",
@@ -47,7 +53,11 @@ public class ConvertWebsiteToPDF {
// Prepare the OCRmyPDF command
List<String> command = new ArrayList<>();
command.add("weasyprint");
if (!htmlFormatsInstalled) {
command.add("weasyprint");
} else {
command.add("wkhtmltopdf");
}
command.add(URL);
command.add(tempOutputFile.toString());

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@@ -1,5 +1,6 @@
package stirling.software.SPDF.controller.web;
import org.springframework.boot.autoconfigure.condition.ConditionalOnExpression;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
@@ -12,6 +13,22 @@ import io.swagger.v3.oas.annotations.tags.Tag;
@Tag(name = "Convert", description = "Convert APIs")
public class ConverterWebController {
@ConditionalOnExpression("#{bookFormatsInstalled}")
@GetMapping("/book-to-pdf")
@Hidden
public String convertBookToPdfForm(Model model) {
model.addAttribute("currentPage", "book-to-pdf");
return "convert/book-to-pdf";
}
@ConditionalOnExpression("#{bookFormatsInstalled}")
@GetMapping("/pdf-to-book")
@Hidden
public String convertPdfToBookForm(Model model) {
model.addAttribute("currentPage", "pdf-to-book");
return "convert/pdf-to-book";
}
@GetMapping("/img-to-pdf")
@Hidden
public String convertImgToPdfForm(Model model) {

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@@ -1,7 +1,8 @@
package stirling.software.SPDF.controller.web;
import java.io.IOException;
import java.nio.file.Files;
import java.io.InputStream;
import java.nio.charset.StandardCharsets;
import java.util.List;
import java.util.Map;
@@ -38,7 +39,8 @@ public class HomeWebController {
model.addAttribute("currentPage", "licenses");
Resource resource = new ClassPathResource("static/3rdPartyLicenses.json");
try {
String json = new String(Files.readAllBytes(resource.getFile().toPath()));
InputStream is = resource.getInputStream();
String json = new String(is.readAllBytes(), StandardCharsets.UTF_8);
ObjectMapper mapper = new ObjectMapper();
Map<String, List<Dependency>> data =
mapper.readValue(json, new TypeReference<Map<String, List<Dependency>>>() {});