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Added config file schema and signing key validation.

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This commit is contained in:
Ravin Perera
2019-09-30 14:38:38 +05:30
parent 5003e1b898
commit 15019d4e96
3 changed files with 80 additions and 6 deletions
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50
src/conf.cpp
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@@ -2,6 +2,7 @@
#include <iostream>
#include <fstream>
#include <rapidjson/document.h>
#include <rapidjson/schema.h>
#include <rapidjson/istreamwrapper.h>
#include <rapidjson/ostreamwrapper.h>
#include <rapidjson/prettywriter.h>
@@ -17,6 +18,34 @@ namespace conf
ContractCtx ctx;
ContractConfig cfg;
const char *cfg_schema =
"{"
"\"type\": \"object\","
"\"required\": [ \"version\", \"pubkeyb64\", \"seckeyb64\", \"binary\", \"binargs\", \"listenip\""
", \"peers\", \"unl\", \"peerport\", \"roundtime\", \"pubport\", \"pubmaxsize\", \"pubmaxcpm\" ],"
"\"properties\": {"
"\"version\": { \"type\": \"string\" },"
"\"pubkeyb64\": { \"type\": \"string\" },"
"\"seckeyb64\": { \"type\": \"string\" },"
"\"binary\": { \"type\": \"string\" },"
"\"binargs\": { \"type\": \"string\" },"
"\"listenip\": { \"type\": \"string\" },"
"\"peers\": {"
"\"type\": \"array\","
"\"items\": { \"type\": \"string\" }"
"},"
"\"unl\": {"
"\"type\": \"array\","
"\"items\": { \"type\": \"string\" }"
"},"
"\"peerport\": { \"type\": \"integer\" },"
"\"roundtime\": { \"type\": \"integer\" },"
"\"pubport\": { \"type\": \"integer\" },"
"\"pubmaxsize\": { \"type\": \"integer\" },"
"\"pubmaxcpm\": { \"type\": \"integer\" }"
"}"
"}";
// v1 < v2 -> -1
// v1 == v2 -> 0
// v1 > v2 -> +1
@@ -49,13 +78,32 @@ int version_compare(std::string v1, std::string v2)
return 0;
}
bool is_schema_valid(Document &d)
{
Document sd;
sd.Parse(cfg_schema);
SchemaDocument schema(sd);
SchemaValidator validator(schema);
return d.Accept(validator);
}
int load_config()
{
ifstream ifs(ctx.configFile);
IStreamWrapper isw(ifs);
Document d;
d.ParseStream(isw);
if (d.ParseStream(isw).HasParseError())
{
cerr << "Invalid config file format. Parser error at position " << d.GetErrorOffset() << endl;
return 0;
}
else if (!is_schema_valid(d))
{
cerr << "Invalid config file format.\n";
return 0;
}
//Check contract version.
string cfgVersion = d["version"].GetString();