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// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/ash/printing/enterprise/managed_printer_translator.h"
#include <cstdint>
#include <optional>
#include <string>
#include "base/strings/stringprintf.h"
#include "base/values.h"
#include "chrome/browser/ash/printing/enterprise/managed_printer_configuration.pb.h"
#include "chrome/browser/ash/printing/enterprise/print_job_options_translator.h"
#include "url/gurl.h"
namespace chromeos {
namespace {
// Top-level field names.
const char kGuid[] = "guid";
const char kDisplayName[] = "display_name";
const char kDescription[] = "description";
const char kUri[] = "uri";
const char kPpdResource[] = "ppd_resource";
const char kPrintJobOptions[] = "print_job_options";
// PpdResource field names.
const char kUserSuppliedPpdUri[] = "user_supplied_ppd_uri";
const char kEffectiveModel[] = "effective_model";
const char kAutoconf[] = "autoconf";
std::optional<ManagedPrinterConfiguration::PpdResource> PpdResourceFromDict(
const base::Value::Dict& ppd_resource) {
std::optional<bool> autoconf = ppd_resource.FindBool(kAutoconf);
const std::string* effective_model = ppd_resource.FindString(kEffectiveModel);
const std::string* user_supplied_ppd_uri =
ppd_resource.FindString(kUserSuppliedPpdUri);
bool has_autoconf = autoconf.has_value();
bool has_effective_model = (effective_model != nullptr);
bool has_user_supplied_ppd_uri = (user_supplied_ppd_uri != nullptr);
bool has_one_ppd_resource =
(has_autoconf + has_effective_model + has_user_supplied_ppd_uri) == 1;
if (!has_one_ppd_resource) {
LOG(WARNING) << base::StringPrintf(
"Could not convert a dictionary to PpdResource: multiple values set "
"for the 'resource' oneof field: %s",
ppd_resource.DebugString().c_str());
return std::nullopt;
}
ManagedPrinterConfiguration::PpdResource result;
if (autoconf.has_value()) {
result.set_autoconf(autoconf.value());
}
if (effective_model) {
result.set_effective_model(*effective_model);
}
if (user_supplied_ppd_uri) {
result.set_user_supplied_ppd_uri(*user_supplied_ppd_uri);
}
return result;
}
std::optional<Printer::PpdReference> ManagedPpdResourceToPpdReference(
const ManagedPrinterConfiguration::PpdResource& ppd_resource) {
Printer::PpdReference ppd_reference;
switch (ppd_resource.resource_case()) {
case ManagedPrinterConfiguration::PpdResource::kAutoconf: {
if (!ppd_resource.autoconf()) {
LOG(WARNING) << base::StringPrintf(
"Invalid PPD resource - autoconf must either be unset or set to "
"true: %s",
ppd_resource.SerializeAsString().c_str());
return std::nullopt;
}
ppd_reference.autoconf = ppd_resource.autoconf();
break;
}
case ManagedPrinterConfiguration::PpdResource::kUserSuppliedPpdUri: {
GURL url(ppd_resource.user_supplied_ppd_uri());
if (!url.is_valid() || !url.SchemeIsHTTPOrHTTPS()) {
LOG(WARNING) << base::StringPrintf(
"Invalid PPD resource - invalid user_supplied_ppd_url resource: %s",
ppd_resource.SerializeAsString().c_str());
return std::nullopt;
}
ppd_reference.user_supplied_ppd_url =
ppd_resource.user_supplied_ppd_uri();
break;
}
case ManagedPrinterConfiguration::PpdResource::kEffectiveModel: {
ppd_reference.effective_make_and_model = ppd_resource.effective_model();
break;
}
case ManagedPrinterConfiguration::PpdResource::RESOURCE_NOT_SET: {
LOG(WARNING) << "Invalid PPD resource - resource is not set";
return std::nullopt;
}
}
return ppd_reference;
}
} // namespace
std::optional<ManagedPrinterConfiguration> ManagedPrinterConfigFromDict(
const base::Value::Dict& config) {
const std::string* guid = config.FindString(kGuid);
const std::string* display_name = config.FindString(kDisplayName);
const std::string* description = config.FindString(kDescription);
const std::string* uri = config.FindString(kUri);
const base::Value::Dict* ppd_resource = config.FindDict(kPpdResource);
const base::Value::Dict* print_job_options =
config.FindDict(kPrintJobOptions);
ManagedPrinterConfiguration result;
if (guid) {
result.set_guid(*guid);
}
if (display_name) {
result.set_display_name(*display_name);
}
if (uri) {
result.set_uri(*uri);
}
if (description) {
result.set_description(*description);
}
if (ppd_resource) {
auto ppd_resource_opt = PpdResourceFromDict(*ppd_resource);
if (!ppd_resource_opt) {
LOG(WARNING) << base::StringPrintf(
"Could not convert a dictionary to ManagedPrinterConfiguration: "
"invalid 'ppd_resource' field: %s",
config.DebugString().c_str());
return std::nullopt;
}
*result.mutable_ppd_resource() = *ppd_resource_opt;
}
if (print_job_options) {
*result.mutable_print_job_options() =
ManagedPrintOptionsProtoFromDict(*print_job_options);
}
return result;
}
std::optional<Printer> PrinterFromManagedPrinterConfig(
const ManagedPrinterConfiguration& managed_printer) {
static auto LogRequiredFieldMissing = [](std::string_view field) {
LOG(WARNING) << "Managed printer is missing required field: " << field;
};
if (!managed_printer.has_guid()) {
LogRequiredFieldMissing(kGuid);
return std::nullopt;
}
if (!managed_printer.has_display_name()) {
LogRequiredFieldMissing(kDisplayName);
return std::nullopt;
}
if (!managed_printer.has_uri()) {
LogRequiredFieldMissing(kUri);
return std::nullopt;
}
if (!managed_printer.has_ppd_resource()) {
LogRequiredFieldMissing(kPpdResource);
return std::nullopt;
}
Printer printer(managed_printer.guid());
printer.set_source(Printer::SRC_POLICY);
printer.set_display_name(managed_printer.display_name());
std::string set_uri_error_message;
if (!printer.SetUri(managed_printer.uri(), &set_uri_error_message)) {
LOG(WARNING) << base::StringPrintf(
"Managed printer '%s' has invalid %s value: %s, error: %s",
managed_printer.display_name().c_str(), kUri,
managed_printer.uri().c_str(), set_uri_error_message.c_str());
return std::nullopt;
}
auto ppd_reference =
ManagedPpdResourceToPpdReference(managed_printer.ppd_resource());
if (!ppd_reference.has_value()) {
LOG(WARNING) << base::StringPrintf(
"Managed printer '%s' has invalid %s value: %s",
managed_printer.display_name().c_str(), kPpdResource,
managed_printer.ppd_resource().SerializeAsString().c_str());
return std::nullopt;
}
*printer.mutable_ppd_reference() = *ppd_reference;
if (managed_printer.has_description()) {
printer.set_description(managed_printer.description());
}
if (managed_printer.has_print_job_options()) {
std::optional<Printer::ManagedPrintOptions> print_job_options =
ChromeOsPrintOptionsFromManagedPrintOptions(
managed_printer.print_job_options());
if (!print_job_options) {
LOG(WARNING) << base::StringPrintf(
"Managed printer '%s' has invalid %s value: %s",
managed_printer.display_name().c_str(), kPrintJobOptions,
managed_printer.print_job_options().SerializeAsString().c_str());
return std::nullopt;
}
printer.set_print_job_options(print_job_options.value());
}
return printer;
}
} // namespace chromeos
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