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https://github.com/RetroShare/RetroShare.git
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Merge pull request #1349 from G10h4ck/jsonapi
Implement JSON API HTTP Basic authentication
This commit is contained in:
G10h4ck
GitHub
commit
f09bef2ac8
42 changed files with 1302 additions and 425 deletions
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@ -55,7 +55,7 @@ extern RsGxsChannels* rsGxsChannels;
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.Calling the JSON API with curl on the terminal
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[source,bash]
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--------------------------------------------------------------------------------
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curl --data @paramethers.json http://127.0.0.1:9092/rsGxsChannels/createGroup
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curl -u $API_USER --data @paramethers.json http://127.0.0.1:9092/rsGxsChannels/createGroup
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--------------------------------------------------------------------------------
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.JSON API call result
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@ -76,7 +76,7 @@ least in two different ways.
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.Calling the JSON API with GET method with curl on the terminal
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[source,bash]
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--------------------------------------------------------------------------------
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curl --get --data-urlencode jsonData@paramethers.json \
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curl -u $API_USER --get --data-urlencode jsonData@paramethers.json \
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http://127.0.0.1:9092/rsGxsChannels/createGroup
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--------------------------------------------------------------------------------
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@ -85,12 +85,53 @@ equivalent to the following.
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.Calling the JSON API with GET method and pre-encoded data with curl on the terminal
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--------------------------------------------------------------------------------
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curl http://127.0.0.1:9092/rsGxsChannels/createGroup?jsonData=%7B%0A%20%20%20%20%22group%22%3A%7B%0A%20%20%20%20%20%20%20%20%22mMeta%22%3A%7B%0A%20%20%20%20%20%20%20%20%20%20%20%20%22mGroupName%22%3A%22JSON%20test%20group%22%2C%0A%20%20%20%20%20%20%20%20%20%20%20%20%22mGroupFlags%22%3A4%2C%0A%20%20%20%20%20%20%20%20%20%20%20%20%22mSignFlags%22%3A520%0A%20%20%20%20%20%20%20%20%7D%2C%0A%20%20%20%20%20%20%20%20%22mDescription%22%3A%22JSON%20test%20group%20description%22%0A%20%20%20%20%7D%2C%0A%20%20%20%20%22caller_data%22%3A%22Here%20can%20go%20any%20kind%20of%20JSON%20data%20%28even%20objects%29%20that%20the%20caller%20want%20to%20get%20back%20together%20with%20the%20response%22%0A%7D
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curl -u $API_USER http://127.0.0.1:9092/rsGxsChannels/createGroup?jsonData=%7B%0A%20%20%20%20%22group%22%3A%7B%0A%20%20%20%20%20%20%20%20%22mMeta%22%3A%7B%0A%20%20%20%20%20%20%20%20%20%20%20%20%22mGroupName%22%3A%22JSON%20test%20group%22%2C%0A%20%20%20%20%20%20%20%20%20%20%20%20%22mGroupFlags%22%3A4%2C%0A%20%20%20%20%20%20%20%20%20%20%20%20%22mSignFlags%22%3A520%0A%20%20%20%20%20%20%20%20%7D%2C%0A%20%20%20%20%20%20%20%20%22mDescription%22%3A%22JSON%20test%20group%20description%22%0A%20%20%20%20%7D%2C%0A%20%20%20%20%22caller_data%22%3A%22Here%20can%20go%20any%20kind%20of%20JSON%20data%20%28even%20objects%29%20that%20the%20caller%20want%20to%20get%20back%20together%20with%20the%20response%22%0A%7D
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--------------------------------------------------------------------------------
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Note that using +GET+ method +?jsonData=+ and then the JSON data URL encoded are
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added after the path in the HTTP request.
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== JSON API authentication
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Most of JSON API methods require authentication as they give access to
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RetroShare user data, and we don't want any application running on the system
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eventually by other users be able to access private data indiscriminately.
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JSON API support HTTP Basic as authentication scheme, this is enough as JSON API
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server is intented for usage on the same system (127.0.0.1) not over an
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untrusted network.
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If you need to use JSON API over an untrusted network consider using a reverse
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proxy with HTTPS such as NGINX in front of JSON API server.
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If RetroShare login has been effectuated through the JSON API you can use your
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location SSLID as username and your PGP password as credential for the JSON API,
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but we suggests you use specific meaningful and human readable credentials for
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each JSON API client so the human user can have better control over which client
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can access the JSON API.
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.NewToken.json
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[source,json]
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--------------------------------------------------------------------------------
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{
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"token": "myNewUser:myNewPassword"
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}
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--------------------------------------------------------------------------------
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.An authenticated client can authorize new tokens like this
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--------------------------------------------------------------------------------
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curl -u $API_USER --data @NewToken.json http://127.0.0.1:9092/jsonApiServer/authorizeToken
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--------------------------------------------------------------------------------
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.An unauthenticated JSON API client can request access with
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--------------------------------------------------------------------------------
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curl --data @NewToken.json http://127.0.0.1:9092/jsonApiServer/requestNewTokenAutorization
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--------------------------------------------------------------------------------
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When an unauthenticated client request his token to be authorized, JSON API
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server will try to ask confirmation to the human user if possible through
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+mNewAccessRequestCallback+, if it is not possible or the user didn't authorized
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the token +false+ is returned.
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== Offer new RetroShare services through JSON API
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To offer a retroshare service through the JSON API, first of all one need find
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@ -231,6 +272,17 @@ data: {"results":[{"size":668,"hash":"e8845280912ebf3779e400000000000000000000",
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--------------------------------------------------------------------------------
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By default JSON API methods requires client authentication and their wrappers
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are automatically generated by +json-api-generator+.
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In some cases methods need do be accessible without authentication such as
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+rsLoginHelper/getLocations+ so in the doxygen documentaion they have the custom
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command +@jsonapi{RS_VERSION,unauthenticated}+.
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Other methods such as +/rsControl/rsGlobalShutDown+ need special care so they
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are marked with the custom doxygen command +@jsonapi{RS_VERSION,manualwrapper}+
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and their wrappers are not automatically generated but written manually into
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+JsonApiServer::JsonApiServer(...)+.
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== A bit of history
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=== First writings about this
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@ -61,5 +61,5 @@ $%outputParamsSerialization%$
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session->yield(message.str());
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$%sessionDelayedClose%$
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} );
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});
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}, $%requiresAuth%$);
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@ -2,6 +2,7 @@ DOXYFILE_ENCODING = UTF-8
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PROJECT_NAME = "libretroshare"
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ALIASES += jsonapi{1}="\xmlonly<jsonapi minversion=\"\1\"/>\endxmlonly"
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ALIASES += jsonapi{2}="\xmlonly<jsonapi minversion=\"\1\" access=\"\2\"/>\endxmlonly"
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# If the INHERIT_DOCS tag is set to YES then an undocumented member inherits the
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# documentation from any documented member that it re-implements.
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@ -22,6 +22,8 @@
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#include <QtCore/QDirIterator>
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#include <QtCore/QFileInfo>
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#include <iterator>
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#include <functional>
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#include <QVariant>
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struct MethodParam
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{
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@ -40,7 +42,10 @@ struct MethodParam
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int main(int argc, char *argv[])
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{
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if(argc != 3)
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qFatal("Usage: jsonapi-generator SOURCE_PATH OUTPUT_PATH");
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{
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qDebug() << "Usage: jsonapi-generator SOURCE_PATH OUTPUT_PATH";
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return EINVAL;
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}
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QString sourcePath(argv[1]);
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QString outputPath(argv[2]);
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@ -59,6 +64,20 @@ int main(int argc, char *argv[])
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qFatal(QString("Can't open: " + cppApiIncludesFilePath).toLatin1().data());
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QSet<QString> cppApiIncludesSet;
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auto fatalError = [&](
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std::initializer_list<QVariant> errors, int ernum = EINVAL )
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{
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QString errorMsg;
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for(const QVariant& error: errors)
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errorMsg += error.toString() + " ";
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errorMsg.chop(1);
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QByteArray cppError(QString("#error "+errorMsg+"\n").toLocal8Bit());
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wrappersDefFile.write(cppError);
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cppApiIncludesFile.write(cppError);
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qDebug() << errorMsg;
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return ernum;
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};
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QDirIterator it(doxPrefix, QStringList() << "*8h.xml", QDir::Files);
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while(it.hasNext())
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{
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@ -74,9 +93,10 @@ int main(int argc, char *argv[])
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continue;
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}
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QFileInfo hfi(hFile);
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QString headerFileName(hfi.fileName());
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headerFileName.replace(QString("_8h.xml"), QString(".h"));
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QFileInfo headerFileInfo(hDoc.elementsByTagName("location").at(0)
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.attributes().namedItem("file").nodeValue());
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QString headerRelPath = headerFileInfo.dir().dirName() + "/" +
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headerFileInfo.fileName();
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QDomNodeList sectiondefs = hDoc.elementsByTagName("memberdef");
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for(int j = 0; j < sectiondefs.size(); ++j)
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@ -112,6 +132,7 @@ int main(int argc, char *argv[])
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QDomNode member = members.item(i);
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QString refid(member.attributes().namedItem("refid").nodeValue());
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QString methodName(member.firstChildElement("name").toElement().text());
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bool requiresAuth = true;
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QString defFilePath(doxPrefix + refid.split('_')[0] + ".xml");
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qDebug() << "Looking for" << typeName << methodName << "into"
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@ -134,10 +155,21 @@ int main(int argc, char *argv[])
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QDomElement tmpMBD = memberdefs.item(k).toElement();
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QString tmpId = tmpMBD.attributes().namedItem("id").nodeValue();
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QString tmpKind = tmpMBD.attributes().namedItem("kind").nodeValue();
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bool hasJsonApi = !tmpMBD.elementsByTagName("jsonapi").isEmpty();
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if( tmpId == refid && tmpKind == "function" && hasJsonApi )
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QDomNodeList tmpJsonApiTagList(tmpMBD.elementsByTagName("jsonapi"));
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if( tmpJsonApiTagList.count() && tmpId == refid &&
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tmpKind == "function")
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{
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memberdef = tmpMBD;
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QDomElement tmpJsonApiTag = tmpJsonApiTagList.item(0).toElement();
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QString tmpAccessValue;
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if(tmpJsonApiTag.hasAttribute("access"))
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tmpAccessValue = tmpJsonApiTag.attributeNode("access").nodeValue();
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requiresAuth = "unauthenticated" != tmpAccessValue;
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if("manualwrapper" != tmpAccessValue)
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memberdef = tmpMBD;
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break;
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}
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}
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@ -189,6 +221,7 @@ int main(int argc, char *argv[])
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pType.replace(QString("&"), QString());
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pType.replace(QString(" "), QString());
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}
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paramsMap.insert(tmpParam.name, tmpParam);
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orderedParamNames.push_back(tmpParam.name);
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}
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@ -211,6 +244,16 @@ int main(int argc, char *argv[])
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}
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}
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// Params sanity check
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for( const MethodParam& pm : paramsMap)
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if( !(pm.isMultiCallback || pm.isSingleCallback
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|| pm.in || pm.out) )
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return fatalError(
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{ "Parameter:", pm.name, "of:", apiPath,
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"declared in:", headerRelPath,
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"miss doxygen parameter direction attribute!",
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defFile.fileName() });
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QString functionCall("\t\t");
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if(retvalType != "void")
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{
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@ -325,7 +368,6 @@ int main(int argc, char *argv[])
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substitutionsMap.insert("inputParamsDeserialization", inputParamsDeserialization);
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substitutionsMap.insert("outputParamsSerialization", outputParamsSerialization);
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substitutionsMap.insert("instanceName", instanceName);
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substitutionsMap.insert("headerFileName", headerFileName);
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substitutionsMap.insert("functionCall", functionCall);
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substitutionsMap.insert("apiPath", apiPath);
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substitutionsMap.insert("sessionEarlyClose", sessionEarlyClose);
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@ -334,6 +376,7 @@ int main(int argc, char *argv[])
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substitutionsMap.insert("callbackName", callbackName);
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substitutionsMap.insert("callbackParams", callbackParams);
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substitutionsMap.insert("callbackParamsSerialization", callbackParamsSerialization);
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substitutionsMap.insert("requiresAuth", requiresAuth ? "true" : "false");
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QString templFilePath(sourcePath);
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if(hasMultiCallback || hasSingleCallback)
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@ -351,7 +394,7 @@ int main(int argc, char *argv[])
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wrappersDefFile.write(wrapperDef.toLocal8Bit());
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cppApiIncludesSet.insert("#include \"retroshare/" + headerFileName + "\"\n");
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cppApiIncludesSet.insert("#include \"" + headerRelPath + "\"\n");
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}
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}
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}
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@ -44,5 +44,5 @@ $%outputParamsSerialization%$
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// return them to the API caller
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DEFAULT_API_CALL_JSON_RETURN(rb::OK);
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} );
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});
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}, $%requiresAuth%$);
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