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Fix password issue #43; add password unit tests; introduce PDF specif…
…ic exceptions (#44)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,15 @@ | ||
| using static PDFtoImage.PdfiumViewer.NativeMethods; | ||
|
|
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| namespace PDFtoImage.Exceptions | ||
| { | ||
| /// <summary> | ||
| /// Thrown if the PDF file was not found or could not be opened. | ||
| /// </summary> | ||
| public class PdfCannotOpenFileException : PdfException | ||
| { | ||
| internal override FPDF_ERR Error => FPDF_ERR.FILE; | ||
|
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| /// <inheritdoc/> | ||
| public PdfCannotOpenFileException() : base("File not found or could not be opened.") { } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,28 @@ | ||
| using System; | ||
| using static PDFtoImage.PdfiumViewer.NativeMethods; | ||
|
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| namespace PDFtoImage.Exceptions | ||
| { | ||
| /// <summary> | ||
| /// Base class for all PDF related exceptions. | ||
| /// </summary> | ||
| public abstract class PdfException : Exception | ||
| { | ||
| internal abstract FPDF_ERR Error { get; } | ||
|
|
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| /// <inheritdoc/> | ||
| protected PdfException(string message) : base(message) { } | ||
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| internal static PdfException? CreateException(FPDF_ERR error) => error switch | ||
| { | ||
| FPDF_ERR.SUCCESS => null, | ||
| FPDF_ERR.UNKNOWN => new PdfUnknownException(), | ||
| FPDF_ERR.FILE => new PdfCannotOpenFileException(), | ||
| FPDF_ERR.FORMAT => new PdfInvalidFormatException(), | ||
| FPDF_ERR.PASSWORD => new PdfPasswordProtectedException(), | ||
| FPDF_ERR.SECURITY => new PdfUnsupportedSecuritySchemeException(), | ||
| FPDF_ERR.PAGE => new PdfPageNotFoundException(), | ||
| _ => new PdfUnknownException() | ||
| }; | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,15 @@ | ||
| using static PDFtoImage.PdfiumViewer.NativeMethods; | ||
|
|
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| namespace PDFtoImage.Exceptions | ||
| { | ||
| /// <summary> | ||
| /// Thrown if the PDF format is invalid or corrupted. | ||
| /// </summary> | ||
| public class PdfInvalidFormatException : PdfException | ||
| { | ||
| internal override FPDF_ERR Error => FPDF_ERR.FORMAT; | ||
|
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| /// <inheritdoc/> | ||
| public PdfInvalidFormatException() : base("File not in PDF format or corrupted.") { } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,15 @@ | ||
| using static PDFtoImage.PdfiumViewer.NativeMethods; | ||
|
|
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| namespace PDFtoImage.Exceptions | ||
| { | ||
| /// <summary> | ||
| /// Thrown if the PDF does not contain the given page number. | ||
| /// </summary> | ||
| public class PdfPageNotFoundException : PdfException | ||
| { | ||
| internal override FPDF_ERR Error => FPDF_ERR.PAGE; | ||
|
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| /// <inheritdoc/> | ||
| public PdfPageNotFoundException() : base("Page not found or content error.") { } | ||
| } | ||
| } |
15 changes: 15 additions & 0 deletions
15
src/PDFtoImage/Exceptions/PdfPasswordProtectedException.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,15 @@ | ||
| using static PDFtoImage.PdfiumViewer.NativeMethods; | ||
|
|
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| namespace PDFtoImage.Exceptions | ||
| { | ||
| /// <summary> | ||
| /// Thrown if the PDF requires a password and the given password was not given or incorrect. | ||
| /// </summary> | ||
| public class PdfPasswordProtectedException : PdfException | ||
| { | ||
| internal override FPDF_ERR Error => FPDF_ERR.PASSWORD; | ||
|
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| /// <inheritdoc/> | ||
| public PdfPasswordProtectedException() : base("Password required or incorrect password.") { } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,15 @@ | ||
| using static PDFtoImage.PdfiumViewer.NativeMethods; | ||
|
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| namespace PDFtoImage.Exceptions | ||
| { | ||
| /// <summary> | ||
| /// Thrown on unknown PDF errors. | ||
| /// </summary> | ||
| public class PdfUnknownException : PdfException | ||
| { | ||
| internal override FPDF_ERR Error => FPDF_ERR.UNKNOWN; | ||
|
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| /// <inheritdoc/> | ||
| public PdfUnknownException() : base("Unknown error.") { } | ||
| } | ||
| } |
15 changes: 15 additions & 0 deletions
15
src/PDFtoImage/Exceptions/PdfUnsupportedSecuritySchemeException.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,15 @@ | ||
| using static PDFtoImage.PdfiumViewer.NativeMethods; | ||
|
|
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| namespace PDFtoImage.Exceptions | ||
| { | ||
| /// <summary> | ||
| /// Thrown if the PDF file uses an unsupported security scheme. | ||
| /// </summary> | ||
| public class PdfUnsupportedSecuritySchemeException : PdfException | ||
| { | ||
| internal override FPDF_ERR Error => FPDF_ERR.SECURITY; | ||
|
|
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| /// <inheritdoc/> | ||
| public PdfUnsupportedSecuritySchemeException() : base("Unsupported security scheme.") { } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,28 +1,28 @@ | ||
| namespace PDFtoImage | ||
| { | ||
| /// <summary> | ||
| /// Specifies the rotation of pages shown in the PDF renderer. | ||
| /// </summary> | ||
| public enum PdfRotation | ||
| { | ||
| /// <summary> | ||
| /// No rotation. | ||
| /// </summary> | ||
| Rotate0 = 0, | ||
| /// <summary> | ||
| /// Specifies the rotation of pages shown in the PDF renderer. | ||
| /// </summary> | ||
| public enum PdfRotation | ||
| { | ||
| /// <summary> | ||
| /// No rotation. | ||
| /// </summary> | ||
| Rotate0 = 0, | ||
|
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| /// <summary> | ||
| /// Rotated 90 degrees clockwise. | ||
| /// </summary> | ||
| Rotate90 = 1, | ||
| /// <summary> | ||
| /// Rotated 90 degrees clockwise. | ||
| /// </summary> | ||
| Rotate90 = 1, | ||
|
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| /// <summary> | ||
| /// Rotated 180 degrees. | ||
| /// </summary> | ||
| Rotate180 = 2, | ||
| /// <summary> | ||
| /// Rotated 180 degrees. | ||
| /// </summary> | ||
| Rotate180 = 2, | ||
|
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| /// <summary> | ||
| /// Rotated 90 degrees counter-clockwise. | ||
| /// </summary> | ||
| Rotate270 = 3 | ||
| } | ||
| /// <summary> | ||
| /// Rotated 90 degrees counter-clockwise. | ||
| /// </summary> | ||
| Rotate270 = 3 | ||
| } | ||
| } |
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