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Bug 1898171 - Add SanitizedString profiler marker format r=acreskey,profiler-reviewers,aabh

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The sanitization function for URL and FilePath cannot currently sanitize
an arbitrary string in the profiler data. The expectation is that the URL
starts with a scheme like http:// and that a file path contains a /,
so none of them are sanitized if the contents are a domain name.
This commit introduces a new 'sanitized-string' format, that the profiler
can make sure to completely blank out.

Differential Revision: https://phabricator.services.mozilla.com/D211171
This commit is contained in:
Valentin Gosu 2024-06-04 17:59:19 +00:00
parent 6e4d33524e
commit 7ebb860b81
4 changed files with 15 additions and 2 deletions
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2
mozglue/baseprofiler/core/ProfilerMarkers.cpp
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@ -320,6 +320,8 @@ Span<const char> MarkerSchema::FormatToStringSpan(
return mozilla::MakeStringSpan("url");
case Format::FilePath:
return mozilla::MakeStringSpan("file-path");
case Format::SanitizedString:
return mozilla::MakeStringSpan("sanitized-string");
case Format::String:
return mozilla::MakeStringSpan("string");
case Format::UniqueString:

2
mozglue/baseprofiler/public/BaseAndGeckoProfilerDetail.h
View File

@ -24,7 +24,7 @@ namespace mozilla {
class ProfileBufferChunkManagerWithLocalLimit;
// Centrally defines the version of the gecko profiler JSON format.
const int GECKO_PROFILER_FORMAT_VERSION = 29;
const int GECKO_PROFILER_FORMAT_VERSION = 30;
namespace baseprofiler::detail {

2
mozglue/baseprofiler/public/BaseProfilerMarkersPrerequisites.h
View File

@ -736,6 +736,8 @@ class MarkerSchema {
Url,
// Show the file path, and handle PII sanitization.
FilePath,
// Show arbitrary string and handle PII sanitization
SanitizedString,
// Important, do not put URL or file path information here, as it will not
// be sanitized. Please be careful with including other types of PII here as
// well.

11
tools/profiler/tests/gtest/GeckoProfiler.cpp
View File

@ -2430,6 +2430,9 @@ TEST(GeckoProfiler, Markers)
schema.AddKeyFormat("key with decimal", MS::Format::Decimal);
schema.AddStaticLabelValue("static label", "static value");
schema.AddKeyFormat("key with unique string", MS::Format::UniqueString);
schema.AddKeyFormatSearchable("key with sanitized string",
MS::Format::SanitizedString,
MS::Searchable::Searchable);
return schema;
}
};
@ -3358,7 +3361,7 @@ TEST(GeckoProfiler, Markers)
EXPECT_EQ_JSON(schema["tooltipLabel"], String, "tooltip label");
EXPECT_EQ_JSON(schema["tableLabel"], String, "table label");
ASSERT_EQ(data.size(), 15u);
ASSERT_EQ(data.size(), 16u);
ASSERT_TRUE(data[0u].isObject());
EXPECT_EQ_JSON(data[0u]["key"], String, "key with url");
@ -3450,6 +3453,12 @@ TEST(GeckoProfiler, Markers)
EXPECT_EQ_JSON(data[14u]["format"], String, "unique-string");
EXPECT_TRUE(data[14u]["searchable"].isNull());
ASSERT_TRUE(data[15u].isObject());
EXPECT_EQ_JSON(data[15u]["key"], String,
"key with sanitized string");
EXPECT_TRUE(data[15u]["label"].isNull());
EXPECT_EQ_JSON(data[15u]["format"], String, "sanitized-string");
EXPECT_EQ_JSON(data[15u]["searchable"], Bool, true);
} else if (nameString == "markers-gtest-special") {
EXPECT_EQ(display.size(), 0u);
ASSERT_EQ(data.size(), 0u);