Squashed 'third_party/seasocks/' content from commit 016dc60

Change-Id: I195fa5bfd0c0e3cc66fbbefcc7b5170bafcf7a36
git-subtree-dir: third_party/seasocks
git-subtree-split: 016dc60b247e0d1d563aea6d22a9075e6884ab9f
diff --git a/src/main/c/util/CrackedUri.cpp b/src/main/c/util/CrackedUri.cpp
new file mode 100644
index 0000000..1da757f
--- /dev/null
+++ b/src/main/c/util/CrackedUri.cpp
@@ -0,0 +1,129 @@
+// Copyright (c) 2013, Matt Godbolt
+// All rights reserved.
+// 
+// Redistribution and use in source and binary forms, with or without 
+// modification, are permitted provided that the following conditions are met:
+// 
+// Redistributions of source code must retain the above copyright notice, this 
+// list of conditions and the following disclaimer.
+// 
+// Redistributions in binary form must reproduce the above copyright notice, 
+// this list of conditions and the following disclaimer in the documentation 
+// and/or other materials provided with the distribution.
+// 
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
+// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
+// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
+// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 
+// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 
+// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
+// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
+// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
+// POSSIBILITY OF SUCH DAMAGE.
+
+#include "seasocks/StringUtil.h"
+#include "seasocks/util/CrackedUri.h"
+
+#include <algorithm>
+#include <sstream>
+#include <stdexcept>
+
+#define THROW(stuff) \
+    do {\
+        std::ostringstream err; \
+        err << stuff; \
+        throw std::runtime_error(err.str()); \
+    } while (0);
+
+namespace {
+
+char fromHex(char c) {
+    c = tolower(c);
+    return c >= '0' && c <= '9' ? c - '0' : c - 'a' + 10;
+}
+
+std::string unescape(std::string uri) {
+    seasocks::replace(uri, "+", " ");
+    size_t pos = 0;
+    while (pos < uri.size()) {
+        pos = uri.find('%', pos);
+        if (pos == uri.npos) break;
+        if (pos + 2 > uri.size()) {
+            THROW("Truncated uri: '" << uri << "'");
+        }
+        if (!isxdigit(uri[pos + 1]) || !isxdigit(uri[pos + 2])) {
+            THROW("Bad digit in uri: '" << uri << "'");
+        }
+        auto hex = (fromHex(uri[pos + 1]) << 4) | fromHex(uri[pos + 2]);
+        uri = uri.substr(0, pos) + std::string(1, hex) + uri.substr(pos + 3);
+        ++pos;
+    }
+    return uri;
+}
+
+}
+
+namespace seasocks {
+
+CrackedUri::CrackedUri(const std::string& uri) {
+    if (uri.empty() || uri[0] != '/') {
+        THROW("Malformed URI: '" << uri << "'");
+    }
+    auto endOfPath = uri.find('?');
+    std::string path;
+    std::string remainder;
+    if (endOfPath == uri.npos) {
+        path = uri.substr(1);
+    } else {
+        path = uri.substr(1, endOfPath - 1);
+        remainder = uri.substr(endOfPath + 1);
+    }
+
+    _path = split(path, '/');
+    std::transform(_path.begin(), _path.end(), _path.begin(), unescape);
+
+    auto splitRemainder = split(remainder, '&');
+    for (auto iter = splitRemainder.cbegin(); iter != splitRemainder.cend(); ++iter) {
+        if (iter->empty()) continue;
+        auto split = seasocks::split(*iter, '=');
+        std::transform(split.begin(), split.end(), split.begin(), unescape);
+        if (split.size() == 1) {
+            _queryParams.insert(std::make_pair(split[0], std::string()));
+        } else if (split.size() == 2) {
+            _queryParams.insert(std::make_pair(split[0], split[1]));
+        } else {
+            THROW("Malformed URI, two many = in query: '" << uri << "'");
+        }
+    }
+}
+
+bool CrackedUri::hasParam(const std::string& param) const {
+    return _queryParams.find(param) != _queryParams.end();
+}
+
+std::string CrackedUri::queryParam(const std::string& param, const std::string& def) const {
+    auto found = _queryParams.find(param);
+    return found == _queryParams.end() ? def : found->second;
+}
+
+std::vector<std::string> CrackedUri::allQueryParams(const std::string& param) const {
+    std::vector<std::string> params;
+    for (auto iter = _queryParams.find(param); iter != _queryParams.end() && iter->first == param; ++iter)
+        params.push_back(iter->second);
+    return params;
+}
+
+CrackedUri CrackedUri::shift() const {
+    CrackedUri shifted(*this);
+    if (_path.size() > 1) {
+        shifted._path = std::vector<std::string>(_path.begin() + 1, _path.end());
+    } else {
+        shifted._path = {""};
+    }
+
+    return shifted;
+}
+
+}
diff --git a/src/main/c/util/Json.cpp b/src/main/c/util/Json.cpp
new file mode 100644
index 0000000..48c74d7
--- /dev/null
+++ b/src/main/c/util/Json.cpp
@@ -0,0 +1,66 @@
+// Copyright (c) 2013, Matt Godbolt
+// All rights reserved.
+// 
+// Redistribution and use in source and binary forms, with or without 
+// modification, are permitted provided that the following conditions are met:
+// 
+// Redistributions of source code must retain the above copyright notice, this 
+// list of conditions and the following disclaimer.
+// 
+// Redistributions in binary form must reproduce the above copyright notice, 
+// this list of conditions and the following disclaimer in the documentation 
+// and/or other materials provided with the distribution.
+// 
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
+// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
+// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
+// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 
+// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 
+// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
+// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
+// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
+// POSSIBILITY OF SUCH DAMAGE.
+
+#include "seasocks/util/Json.h"
+
+#include <iomanip>
+
+namespace seasocks {
+
+void jsonToStream(std::ostream& str, const char* t) {
+    str << '"';
+    for (; *t; ++t) {
+        switch (*t) {
+        default:
+            if (*t >= 32) {
+                str << *t;
+            } else {
+                str << "\\u" << std::setw(4)
+                    << std::setfill('0') << std::hex << (int)*t;
+            }
+            break;
+        case 8: str << "\\b"; break;
+        case 9: str << "\\t"; break;
+        case 10: str << "\\n"; break;
+        case 12: str << "\\f"; break;
+        case 13: str << "\\r"; break;
+        case '"': case '\\':
+            str << '\\';
+            str << *t;
+            break;
+        }
+    }
+    str << '"';
+}
+
+void jsonToStream(std::ostream& str, bool b) {
+    str << (b ? "true" : "false");
+}
+
+void EpochTimeAsLocal::jsonToStream(std::ostream &o) const {
+    o << "new Date(" << t * 1000 << ").toLocaleString()";
+}
+
+}
diff --git a/src/main/c/util/PathHandler.cpp b/src/main/c/util/PathHandler.cpp
new file mode 100644
index 0000000..4f9b60f
--- /dev/null
+++ b/src/main/c/util/PathHandler.cpp
@@ -0,0 +1,51 @@
+// Copyright (c) 2013, Matt Godbolt
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are met:
+//
+// Redistributions of source code must retain the above copyright notice, this
+// list of conditions and the following disclaimer.
+//
+// Redistributions in binary form must reproduce the above copyright notice,
+// this list of conditions and the following disclaimer in the documentation
+// and/or other materials provided with the distribution.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+// POSSIBILITY OF SUCH DAMAGE.
+
+#include "seasocks/util/PathHandler.h"
+
+#include "seasocks/Request.h"
+#include "seasocks/Response.h"
+#include "seasocks/util/CrackedUri.h"
+
+using namespace seasocks;
+
+CrackedUriPageHandler::Ptr PathHandler::add(const CrackedUriPageHandler::Ptr& handler) {
+    _handlers.emplace_back(handler);
+    return _handlers.back();
+}
+
+std::shared_ptr<Response> PathHandler::handle(
+        const CrackedUri& uri, const Request& request) {
+    const auto &path = uri.path();
+    if (path.empty() || path[0] != _path) return Response::unhandled();
+
+    auto shiftedUri = uri.shift();
+
+    for (const auto &it : _handlers) {
+        auto response = it->handle(shiftedUri, request);
+        if (response != Response::unhandled()) return response;
+    }
+    return Response::unhandled();
+}
diff --git a/src/main/c/util/RootPageHandler.cpp b/src/main/c/util/RootPageHandler.cpp
new file mode 100644
index 0000000..f6b4f52
--- /dev/null
+++ b/src/main/c/util/RootPageHandler.cpp
@@ -0,0 +1,52 @@
+// Copyright (c) 2013, Matt Godbolt
+// All rights reserved.
+// 
+// Redistribution and use in source and binary forms, with or without 
+// modification, are permitted provided that the following conditions are met:
+// 
+// Redistributions of source code must retain the above copyright notice, this 
+// list of conditions and the following disclaimer.
+// 
+// Redistributions in binary form must reproduce the above copyright notice, 
+// this list of conditions and the following disclaimer in the documentation 
+// and/or other materials provided with the distribution.
+// 
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
+// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
+// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
+// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 
+// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 
+// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
+// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
+// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
+// POSSIBILITY OF SUCH DAMAGE.
+
+#include "seasocks/util/RootPageHandler.h"
+
+#include "seasocks/Request.h"
+#include "seasocks/Response.h"
+#include "seasocks/util/CrackedUri.h"
+
+using namespace seasocks;
+
+RootPageHandler::RootPageHandler() {
+}
+
+RootPageHandler::~RootPageHandler() {
+}
+
+CrackedUriPageHandler::Ptr RootPageHandler::add(const CrackedUriPageHandler::Ptr& handler) {
+    _handlers.emplace_back(handler);
+    return _handlers.back();
+}
+
+std::shared_ptr<Response> RootPageHandler::handle(const Request& request) {
+    CrackedUri uri(request.getRequestUri());
+    for (const auto &it : _handlers) {
+        auto response = it->handle(uri, request);
+        if (response != Response::unhandled()) return response;
+    }
+    return Response::unhandled();
+}