public IActionResult CreatePdfa([FromForm] PdfFormData formData)
{
if (formData.File.Length > _options.MaxFileSize)
{
return(new FileSizeExceededError(_options.MaxFileSize));
}
using (var stream = formData.File.OpenReadStream())
{
var output = new MemoryStream();
var intent = new PdfaColorProfile().ToPdfOutputIntent(_env.ContentRootPath);
var conformance = formData.ToPdfAConformanceLevel();
var reader = new PdfReader(stream);
var writer = new PdfWriter(output);
using (var pdf = new PdfDocument(reader))
using (var pdfa = new PdfADocument(writer, conformance, intent))
{
var pages = new PdfaPages(pdfa);
var metadata = new PdfaMetadata(pdfa);
pages.Copy(pdf);
metadata.CopyCustomProperties(pdf);
metadata.AddOrReplaceCustomProperties(formData.CustomPropertiesAsDictionary());
metadata.AddOrReplaceTitle(formData.Title);
metadata.AddOrReplaceAuthor(formData.Author);
metadata.AddOrReplaceCreationDate(formData.CreationDate);
new Document(pdfa).Close();
return(File(output.ToArray(), MediaTypeNames.Application.Pdf, $"{formData.File.Name}.pdf"));
}
}
}
public static PdfFormData AddCustomProperty(this PdfFormData model, string name, string value)
{
model.CustomProperties = model.CustomProperties ?? new List <CustomPropertyModel>();
model.CustomProperties.Add(new CustomPropertyModel
{
Name = name,
Value = value
});
return(model);
}
public async Task ShouldRespond400ForRequiredFields()
{
var path = $"/pdfa";
var formData = new PdfFormData().Upload(new byte[0]);
var response = await _client.PostAsync(path, formData);
var responseContent = await response.Content.ReadAsStringAsync();
var responseJson = JsonConvert.DeserializeObject <BadRequestError>(responseContent);
Assert.Equal(HttpStatusCode.BadRequest, response.StatusCode);
Assert.Contains(responseJson.Errors, error => error == "The ConformanceLevel field is required.");
}
public async Task ShouldRespond400ForSizeExceeded()
{
var path = $"/pdfa";
var size10MB = 10485760;
var pdfFile = new byte[size10MB];
var formData = new PdfFormData().WithConformanceLevel("PDF_A_2B").Upload(pdfFile);
var response = await _client.PostAsync(path, formData);
var responseContent = await response.Content.ReadAsStringAsync();
var responseJson = JsonConvert.DeserializeObject <BadRequestError>(responseContent);
Assert.Equal(HttpStatusCode.BadRequest, response.StatusCode);
Assert.Contains(responseJson.Errors, error => error == "File must be up to 5242880 bytes.");
}
public static MultipartFormDataContent Upload(this PdfFormData model, byte[] bytes)
{
var file = new ByteArrayContent(bytes);
file.Headers.ContentType = new MediaTypeHeaderValue(MediaTypeNames.Application.Pdf);
var formData = new MultipartFormDataContent();
formData.Add(file, nameof(PdfFormData.File), "dummy.pdf");
if (model.ConformanceLevel != null)
{
formData.Add(new StringContent(model.ConformanceLevel), nameof(PdfFormData.ConformanceLevel));
}
if (model.Title != null)
{
formData.Add(new StringContent(model.Title), nameof(PdfFormData.Title));
}
if (model.Author != null)
{
formData.Add(new StringContent(model.Author), nameof(PdfFormData.Author));
}
if (model.CreationDate != null)
{
var dateTimeIso8601 = model.CreationDate.Value.ToString("o");
formData.Add(new StringContent(dateTimeIso8601), nameof(PdfFormData.CreationDate));
}
if (model.CustomProperties != null)
{
for (var i = 0; i < model.CustomProperties.Count; i++)
{
var customProperty = model.CustomProperties.ElementAt(i);
var customProperyName = new StringContent(customProperty.Name);
var customProperyValue = new StringContent(customProperty.Value);
formData.Add(customProperyName, $"{nameof(PdfFormData.CustomProperties)}[{i}][Name]");
formData.Add(customProperyValue, $"{nameof(PdfFormData.CustomProperties)}[{i}][Value]");
}
}
return(formData);
}
private void btnFillFormData_Click(object sender, EventArgs e)
{
#region #FillFields
// Load a document with an interactive form.
using (PdfDocumentProcessor documentProcessor = new PdfDocumentProcessor()) {
documentProcessor.LoadDocument(filePath + fileName + ".pdf");
// Obtain interactive form data from a document.
PdfFormData formData = documentProcessor.GetFormData();
// Specify the value for FirstName and LastName text boxes.
formData["FirstName"].Value = "Janet";
formData["LastName"].Value = "Leverling";
// Specify the value for the Gender radio group.
formData["Gender"].Value = "Female";
// Specify the check box checked appearance name.
formData["Check"].Value = "Yes";
// Specify values for the Category list box.
formData["Category"].Value = new string[] { "Entertainment", "Meals", "Morale" };
// Obtain data from the Address form field and specify values for Address child form fields.
PdfFormData address = formData["Address"];
// Specify the value for the Country combo box.
address["Country"].Value = "United States";
// Specify the value for City and Address text boxes.
address["City"].Value = "California";
address["Address"].Value = "20 Maple Avenue";
// Apply data to the interactive form.
documentProcessor.ApplyFormData(formData);
// Save the modified document.
documentProcessor.SaveDocument(filePath + fileName + "_new.pdf");
btnFillFormData.Enabled = false;
btnLoadFilledPDF.Enabled = true;
}
#endregion #FillFields
}
private void btnGetFieldNames_Click(object sender, EventArgs e)
{
#region #GetFields
// Load a document with an interactive form.
using (PdfDocumentProcessor documentProcessor = new PdfDocumentProcessor()) {
documentProcessor.LoadDocument(filePath + fileName + ".pdf");
// Get names of interactive form fields.
PdfFormData formData = documentProcessor.GetFormData();
IList <string> names = formData.GetFieldNames();
// Show the field names in the rich text box.
string[] strings = new string[names.Count];
names.CopyTo(strings, 0);
richTextBox1.Lines = strings;
}
#endregion #GetFields
}
public async Task ShouldConvertToPdfA2B(string level, string part, string conformance)
{
var path = $"/pdfa";
var fixture = $"{Program.TestProjectPath}/Fixtures/dummy.pdf";
var pdfFile = await File.ReadAllBytesAsync(fixture);
var formData = new PdfFormData().WithConformanceLevel(level).Upload(pdfFile);
var response = await _client.PostAsync(path, formData);
var stream = await response.Content.ReadAsStreamAsync();
var pdfa = new PdfADocument(new PdfReader(stream), new PdfWriter(new MemoryStream()));
var xmpMetadataBytes = pdfa.GetXmpMetadata();
var xmpMetadata = XMPMetaFactory.ParseFromBuffer(xmpMetadataBytes);
var conformanceLevel = PdfAConformanceLevel.GetConformanceLevel(xmpMetadata);
Assert.Equal(HttpStatusCode.OK, response.StatusCode);
Assert.Equal(part, conformanceLevel.GetPart());
Assert.Equal(conformance, conformanceLevel.GetConformance());
}
public async Task ShouldReplaceAuthor()
{
var path = $"/pdfa";
var author = Guid.NewGuid().ToString("N");
var fixture = $"{Program.TestProjectPath}/Fixtures/dummy.pdf";
var pdfFile = await File.ReadAllBytesAsync(fixture);
var formData = new PdfFormData()
.WithConformanceLevel("PDF_A_2B")
.WithAuthor(author)
.Upload(pdfFile);
var response = await _client.PostAsync(path, formData);
var stream = await response.Content.ReadAsStreamAsync();
var pdfa = new PdfADocument(new PdfReader(stream), new PdfWriter(new MemoryStream()));
Assert.Equal(HttpStatusCode.OK, response.StatusCode);
Assert.Equal(author, pdfa.GetDocumentInfo().GetAuthor());
}
static void Main(string[] args)
{
// Load a document with an interactive form.
PdfDocumentProcessor processor = new PdfDocumentProcessor();
processor.LoadDocument(@"DocumentToFill.pdf");
// Obtain interactive form data from a document.
PdfFormData formData = processor.GetFormData();
// Obtain the radio group checked appearance names.
List <string> radioGroupCheckedValues = GetRadioGroupCheckedAppearanceNames(processor, "Gender");
// Specify a checked appearance name for the Female radio button.
formData["Gender"].Value = radioGroupCheckedValues[0];
// Apply data to the interactive form.
processor.ApplyFormData(formData);
// Save the modified document.
processor.SaveDocument("..\\..\\Result.pdf");
}
public async Task ShouldReplaceCreationDate()
{
var path = $"/pdfa";
var creationDate = new DateTime(1980, 10, 10);
var fixture = $"{Program.TestProjectPath}/Fixtures/dummy.pdf";
var pdfFile = await File.ReadAllBytesAsync(fixture);
var formData = new PdfFormData()
.WithConformanceLevel("PDF_A_2B")
.WithCreationDate(creationDate)
.Upload(pdfFile);
var response = await _client.PostAsync(path, formData);
var stream = await response.Content.ReadAsStreamAsync();
var pdfa = new PdfADocument(new PdfReader(stream), new PdfWriter(new MemoryStream()));
var creationDateProperty = PdfName.CreationDate.GetValue();
var pdfaCreationDate = pdfa.GetDocumentInfo().GetMoreInfo(creationDateProperty);
Assert.Equal(HttpStatusCode.OK, response.StatusCode);
Assert.Equal(creationDate, Convert.ToDateTime(pdfaCreationDate));
}
public async Task ShouldAddCustomProperties()
{
var path = $"/pdfa";
var prop1 = Guid.NewGuid().ToString("N");
var prop2 = Guid.NewGuid().ToString("N");
var fixture = $"{Program.TestProjectPath}/Fixtures/dummy.pdf";
var pdfFile = await File.ReadAllBytesAsync(fixture);
var formData = new PdfFormData().WithConformanceLevel("PDF_A_2B")
.AddCustomProperty(nameof(prop1), prop1)
.AddCustomProperty(nameof(prop2), prop2)
.Upload(pdfFile);
var response = await _client.PostAsync(path, formData);
var stream = await response.Content.ReadAsStreamAsync();
var pdfa = new PdfADocument(new PdfReader(stream), new PdfWriter(new MemoryStream()));
Assert.Equal(HttpStatusCode.OK, response.StatusCode);
Assert.Equal(prop1, pdfa.GetDocumentInfo().GetMoreInfo(nameof(prop1)));
Assert.Equal(prop2, pdfa.GetDocumentInfo().GetMoreInfo(nameof(prop2)));
}
public static PdfFormData WithCreationDate(this PdfFormData model, DateTime creationDate)
{
model.CreationDate = creationDate;
return(model);
}
public static PdfFormData WithAuthor(this PdfFormData model, string author)
{
model.Author = author;
return(model);
}
public static PdfFormData WithTitle(this PdfFormData model, string title)
{
model.Title = title;
return(model);
}
public static PdfFormData WithConformanceLevel(this PdfFormData model, string conformanceLevel)
{
model.ConformanceLevel = conformanceLevel;
return(model);
}