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Added POST /data/file/{hash}/build API, used to join multiple chunks together.

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This commit is contained in:
CalDescent 2021-06-25 19:28:01 +01:00
parent b34066f579
commit 71c247fe56
1 changed files with 55 additions and 0 deletions
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55
src/main/java/org/qortal/api/resource/DataResource.java
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@ -225,4 +225,59 @@ public class DataResource {
throw ApiExceptionFactory.INSTANCE.createException(request, ApiError.INVALID_DATA); throw ApiExceptionFactory.INSTANCE.createException(request, ApiError.INVALID_DATA);
} }
} }
@POST
@Path("/file/{hash}/build")
@Operation(
summary = "Join multiple chunks into a single file, using supplied comma separated base58 encoded SHA256 digest strings",
requestBody = @RequestBody(
required = true,
content = @Content(
mediaType = MediaType.TEXT_PLAIN,
schema = @Schema(
type = "string", example = "FZdHKgF5CbN2tKihvop5Ts9vmWmA9ZyyPY6bC1zivjy4,FZdHKgF5CbN2tKihvop5Ts9vmWmA9ZyyPY6bC1zivjy4"
)
)
),
responses = {
@ApiResponse(
description = "true if joined, false if not",
content = @Content(
mediaType = MediaType.TEXT_PLAIN,
schema = @Schema(
type = "string"
)
)
)
}
)
@ApiErrors({ApiError.REPOSITORY_ISSUE, ApiError.INVALID_DATA, ApiError.INVALID_CRITERIA, ApiError.FILE_NOT_FOUND, ApiError.NO_REPLY})
public Response joinFiles(String files, @PathParam("combinedHash") String combinedHash) {
if (combinedHash == null) {
throw ApiExceptionFactory.INSTANCE.createException(request, ApiError.INVALID_CRITERIA);
}
DataFile dataFile = DataFile.fromBase58Digest(combinedHash);
if (dataFile.exists()) {
LOGGER.info("We already have the combined file {}, but we'll join the chunks anyway.", combinedHash);
}
String base58DigestList[] = files.split(",");
for (String base58Digest : base58DigestList) {
if (base58Digest != null) {
DataFileChunk chunk = DataFileChunk.fromBase58Digest(base58Digest);
dataFile.addChunk(chunk);
}
}
boolean success = dataFile.join();
if (success) {
if (combinedHash.equals(dataFile.base58Digest())) {
LOGGER.info("Valid hash {} after joining {} files", dataFile.base58Digest(), dataFile.chunkCount());
return Response.ok("true").build();
}
}
return Response.ok("false").build();
}
} }