Files
MPF/MPF.Library/UmdImageCreator/Parameters.cs
2021-01-26 13:45:12 -08:00

289 lines
12 KiB
C#

using System;
using System.IO;
using MPF.Data;
using MPF.Utilities;
using MPF.Web;
namespace MPF.UmdImageCreator
{
/// <summary>
/// Represents a generic set of UmdImageCreator parameters
/// </summary>
public class Parameters : BaseParameters
{
/// <summary>
/// Populate a Parameters object from a param string
/// </summary>
/// <param name="parameters">String possibly representing a set of parameters</param>
public Parameters(string parameters)
: base(parameters)
{
this.InternalProgram = InternalProgram.UmdImageCreator;
}
/// <summary>
/// Generate parameters based on a set of known inputs
/// </summary>
/// <param name="system">KnownSystem value to use</param>
/// <param name="type">MediaType value to use</param>
/// <param name="driveLetter">Drive letter to use</param>
/// <param name="filename">Filename to use</param>
/// <param name="driveSpeed">Drive speed to use</param>
/// <param name="paranoid">Enable paranoid mode (safer dumping)</param>
/// <param name="quietMode">Enable quiet mode (no beeps)</param>
/// <param name="retryCount">User-defined reread count</param>
public Parameters(KnownSystem? system, MediaType? type, char driveLetter, string filename, int? driveSpeed, bool paranoid, bool quietMode, int retryCount)
: base(system, type, driveLetter, filename, driveSpeed, paranoid, quietMode, retryCount)
{
}
/// <summary>
/// Blindly generate a parameter string based on the inputs
/// </summary>
/// <returns>Correctly formatted parameter string, null on error</returns>
public override string GenerateParameters() => null;
/// <summary>
/// Get the input path from the implementation
/// </summary>
/// <returns>String representing the path, null on error</returns>
public override string InputPath() => null;
/// <summary>
/// Get the output path from the implementation
/// </summary>
/// <returns>String representing the path, null on error</returns>
public override string OutputPath() => null;
/// <summary>
/// Get the processing speed from the implementation
/// </summary>
/// <returns>int? representing the speed, null on error</returns>
public override int? GetSpeed() => null;
/// <summary>
/// Set the processing speed int the implementation
/// </summary>
/// <param name="speed">int? representing the speed</param>
public override void SetSpeed(int? speed) { }
/// <summary>
/// Get the MediaType from the current set of parameters
/// </summary>
/// <returns>MediaType value if successful, null on error</returns>
public override MediaType? GetMediaType() => null;
/// <summary>
/// Gets if the current command is considered a dumping command or not
/// </summary>
/// <returns>True if it's a dumping command, false otherwise</returns>
public override bool IsDumpingCommand() => true;
/// <summary>
/// Reset all special variables to have default values
/// </summary>
protected override void ResetValues() { }
/// <summary>
/// Set default parameters for a given system and media type
/// </summary>
/// <param name="driveLetter">Drive letter to use</param>
/// <param name="filename">Filename to use</param>
/// <param name="driveSpeed">Drive speed to use</param>
/// <param name="paranoid">Enable paranoid mode (safer dumping)</param>
/// <param name="retryCount">User-defined reread count</param>
protected override void SetDefaultParameters(
char driveLetter,
string filename,
int? driveSpeed,
bool paranoid,
int retryCount)
{
}
/// <summary>
/// Scan a possible parameter string and populate whatever possible
/// </summary>
/// <param name="parameters">String possibly representing parameters</param>
/// <returns></returns>
protected override bool ValidateAndSetParameters(string parameters) => true;
/// <summary>
/// Validate if all required output files exist
/// </summary>
/// <param name="basePath">Base filename and path to use for checking</param>
/// <param name="progress">Optional result progress callback</param>
/// <returns></returns>
public override bool CheckAllOutputFilesExist(string basePath, IProgress<Result> progress = null)
{
string missingFiles = string.Empty;
switch (this.Type)
{
case MediaType.UMD:
if (!File.Exists($"{basePath}_disc.txt"))
missingFiles += $";{basePath}_disc.txt";
if (!File.Exists($"{basePath}_mainError.txt"))
missingFiles += $";{basePath}_mainError.txt";
if (!File.Exists($"{basePath}_mainInfo.txt"))
missingFiles += $";{basePath}_mainInfo.txt";
if (!File.Exists($"{basePath}_volDesc.txt"))
missingFiles += $";{basePath}_volDesc.txt";
break;
default:
// Non-dumping commands will usually produce no output, so this is irrelevant
return true;
}
// Use the missing files list as an indicator
if (string.IsNullOrEmpty(missingFiles))
{
return true;
}
else
{
progress?.Report(Result.Failure($"The following files were missing: {missingFiles.TrimStart(';')}"));
return false;
}
}
/// <summary>
/// Generate a SubmissionInfo for the output files
/// </summary>
/// <param name="info">Base submission info to fill in specifics for</param>
/// <param name="basePath">Base filename and path to use for checking</param>
/// <param name="drive">Drive representing the disc to get information from</param>
/// <returns></returns>
public override void GenerateSubmissionInfo(SubmissionInfo info, string basePath, Drive drive)
{
// Extract info based generically on MediaType
switch (this.Type)
{
case MediaType.UMD:
info.Extras.PVD = GetPVD(basePath + "_mainInfo.txt") ?? "";
if (GetFileHashes(basePath + ".iso", out long filesize, out string crc32, out string md5, out string sha1))
{
info.SizeAndChecksums.Size = filesize;
info.SizeAndChecksums.CRC32 = crc32;
info.SizeAndChecksums.MD5 = md5;
info.SizeAndChecksums.SHA1 = sha1;
}
if (GetUMDAuxInfo(basePath + "_disc.txt", out string title, out DiscCategory? umdcat, out string umdversion, out string umdlayer, out long umdsize))
{
info.CommonDiscInfo.Title = title ?? "";
info.CommonDiscInfo.Category = umdcat ?? DiscCategory.Games;
info.VersionAndEditions.Version = umdversion ?? "";
info.SizeAndChecksums.Size = umdsize;
if (!string.IsNullOrWhiteSpace(umdlayer))
info.SizeAndChecksums.Layerbreak = Int64.Parse(umdlayer ?? "-1");
}
break;
}
// Fill in any artifacts that exist, Base64-encoded
if (File.Exists(basePath + "_disc.txt"))
info.Artifacts["disc"] = GetBase64(GetFullFile(basePath + "_disc.txt"));
if (File.Exists(basePath + "_mainError.txt"))
info.Artifacts["mainError"] = GetBase64(GetFullFile(basePath + "_mainError.txt"));
if (File.Exists(basePath + "_mainInfo.txt"))
info.Artifacts["mainInfo"] = GetBase64(GetFullFile(basePath + "_mainInfo.txt"));
if (File.Exists(basePath + "_volDesc.txt"))
info.Artifacts["volDesc"] = GetBase64(GetFullFile(basePath + "_volDesc.txt"));
}
#region Information Extraction Methods
/// <summary>
/// Get the PVD from the input file, if possible
/// </summary>
/// <param name="mainInfo">_mainInfo.txt file location</param>
/// <returns>Newline-deliminated PVD if possible, null on error</returns>
private static string GetPVD(string mainInfo)
{
// If the file doesn't exist, we can't get info from it
if (!File.Exists(mainInfo))
return null;
using (StreamReader sr = File.OpenText(mainInfo))
{
try
{
// Make sure we're in the right sector
while (!sr.ReadLine().StartsWith("========== LBA[000016, 0x0000010]: Main Channel ==========")) ;
// Fast forward to the PVD
while (!sr.ReadLine().StartsWith("0310")) ;
// Now that we're at the PVD, read each line in and concatenate
string pvd = "";
for (int i = 0; i < 6; i++)
pvd += sr.ReadLine() + "\n"; // 320-370
return pvd;
}
catch
{
// We don't care what the exception is right now
return null;
}
}
}
/// <summary>
/// Get the UMD auxiliary info from the outputted files, if possible
/// </summary>
/// <param name="disc">_disc.txt file location</param>
/// <returns>True on successful extraction of info, false otherwise</returns>
private static bool GetUMDAuxInfo(string disc, out string title, out DiscCategory? umdcat, out string umdversion, out string umdlayer, out long umdsize)
{
title = null; umdcat = null; umdversion = null; umdlayer = null; umdsize = -1;
// If the file doesn't exist, we can't get info from it
if (!File.Exists(disc))
return false;
using (StreamReader sr = File.OpenText(disc))
{
try
{
// Loop through everything to get the first instance of each required field
string line = string.Empty;
while (!sr.EndOfStream)
{
line = sr.ReadLine().Trim();
if (line.StartsWith("TITLE") && title == null)
title = line.Substring("TITLE: ".Length);
else if (line.StartsWith("DISC_VERSION") && umdversion == null)
umdversion = line.Split(' ')[1];
else if (line.StartsWith("pspUmdTypes"))
umdcat = GetUMDCategory(line.Split(' ')[1]);
else if (line.StartsWith("L0 length"))
umdlayer = line.Split(' ')[2];
else if (line.StartsWith("FileSize:"))
umdsize = Int64.Parse(line.Split(' ')[1]);
}
// If the L0 length is the size of the full disc, there's no layerbreak
if (Int64.Parse(umdlayer) * 2048 == umdsize)
umdlayer = null;
return true;
}
catch
{
// We don't care what the exception is right now
return false;
}
}
}
#endregion
}
}