From 0042a4717239718390a3e23e9bb1e38592f07186 Mon Sep 17 00:00:00 2001 From: PJ Fanning Date: Sat, 16 Oct 2021 10:30:43 +0000 Subject: [PATCH] record size of encrypted temp data git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1894303 13f79535-47bb-0310-9956-ffa450edef68 --- .../EncryptedTempFilePackagePart.java | 5 +---- .../poifs/crypt/temp/EncryptedTempData.java | 14 ++++++++++++-- .../opc/TestEncryptedTempFilePackagePart.java | 5 +++-- .../opc/TestTempFilePackagePart.java | 2 +- poi/src/test/java9/module-info.class | Bin 4198 -> 4145 bytes 5 files changed, 17 insertions(+), 9 deletions(-) diff --git a/poi-ooxml/src/main/java/org/apache/poi/openxml4j/opc/internal/EncryptedTempFilePackagePart.java b/poi-ooxml/src/main/java/org/apache/poi/openxml4j/opc/internal/EncryptedTempFilePackagePart.java index a9119eaf42..a64326c32a 100644 --- a/poi-ooxml/src/main/java/org/apache/poi/openxml4j/opc/internal/EncryptedTempFilePackagePart.java +++ b/poi-ooxml/src/main/java/org/apache/poi/openxml4j/opc/internal/EncryptedTempFilePackagePart.java @@ -98,12 +98,9 @@ public final class EncryptedTempFilePackagePart extends PackagePart { return tempFile.getOutputStream(); } - /** - * @return EncryptedTempData.getSize() always returns -1 - */ @Override public long getSize() { - return -1; + return tempFile.getByteCount(); } @Override diff --git a/poi-ooxml/src/main/java/org/apache/poi/poifs/crypt/temp/EncryptedTempData.java b/poi-ooxml/src/main/java/org/apache/poi/poifs/crypt/temp/EncryptedTempData.java index 9f219f1a80..d0fe43a9c8 100644 --- a/poi-ooxml/src/main/java/org/apache/poi/poifs/crypt/temp/EncryptedTempData.java +++ b/poi-ooxml/src/main/java/org/apache/poi/poifs/crypt/temp/EncryptedTempData.java @@ -32,6 +32,7 @@ import javax.crypto.CipherInputStream; import javax.crypto.CipherOutputStream; import javax.crypto.spec.SecretKeySpec; +import org.apache.commons.io.output.CountingOutputStream; import org.apache.logging.log4j.LogManager; import org.apache.logging.log4j.Logger; import org.apache.poi.poifs.crypt.ChainingMode; @@ -52,7 +53,8 @@ public class EncryptedTempData { private final SecretKeySpec skeySpec; private final byte[] ivBytes; private final File tempFile; - + private CountingOutputStream outputStream; + public EncryptedTempData() throws IOException { SecureRandom sr = new SecureRandom(); ivBytes = new byte[16]; @@ -72,7 +74,8 @@ public class EncryptedTempData { */ public OutputStream getOutputStream() throws IOException { Cipher ciEnc = CryptoFunctions.getCipher(skeySpec, cipherAlgorithm, ChainingMode.cbc, ivBytes, Cipher.ENCRYPT_MODE, PADDING); - return new CipherOutputStream(new FileOutputStream(tempFile), ciEnc); + outputStream = new CountingOutputStream(new CipherOutputStream(new FileOutputStream(tempFile), ciEnc)); + return outputStream; } /** @@ -86,6 +89,13 @@ public class EncryptedTempData { return new CipherInputStream(new FileInputStream(tempFile), ciDec); } + /** + * @return number of bytes stored in the temp data file (the number you should expect after you decrypt the data) + */ + public long getByteCount() { + return outputStream == null ? 0 : outputStream.getByteCount(); + } + /** * Removes the temporarily backing file */ diff --git a/poi-ooxml/src/test/java/org/apache/poi/openxml4j/opc/TestEncryptedTempFilePackagePart.java b/poi-ooxml/src/test/java/org/apache/poi/openxml4j/opc/TestEncryptedTempFilePackagePart.java index 4f0524b2ea..1d9f3d411e 100644 --- a/poi-ooxml/src/test/java/org/apache/poi/openxml4j/opc/TestEncryptedTempFilePackagePart.java +++ b/poi-ooxml/src/test/java/org/apache/poi/openxml4j/opc/TestEncryptedTempFilePackagePart.java @@ -33,15 +33,16 @@ public class TestEncryptedTempFilePackagePart { @Test void testRoundTrip() throws Exception { String text = UUID.randomUUID().toString(); + byte[] bytes = text.getBytes(StandardCharsets.UTF_8); String filepath = OpenXML4JTestDataSamples.getSampleFileName("sample.docx"); try (OPCPackage p = OPCPackage.open(filepath, PackageAccess.READ)) { PackagePartName name = new PackagePartName("/test.txt", true); EncryptedTempFilePackagePart part = new EncryptedTempFilePackagePart(p, name, "text/plain"); try (OutputStream os = part.getOutputStream()) { - os.write(text.getBytes(StandardCharsets.UTF_8)); + os.write(bytes); } - assertEquals(-1, part.getSize()); + assertEquals(bytes.length, part.getSize()); try (InputStream is = part.getInputStream()) { assertEquals(text, new String(IOUtils.toByteArray(is), StandardCharsets.UTF_8)); } diff --git a/poi-ooxml/src/test/java/org/apache/poi/openxml4j/opc/TestTempFilePackagePart.java b/poi-ooxml/src/test/java/org/apache/poi/openxml4j/opc/TestTempFilePackagePart.java index c30dbcf18b..768054acec 100644 --- a/poi-ooxml/src/test/java/org/apache/poi/openxml4j/opc/TestTempFilePackagePart.java +++ b/poi-ooxml/src/test/java/org/apache/poi/openxml4j/opc/TestTempFilePackagePart.java @@ -40,7 +40,7 @@ public class TestTempFilePackagePart { PackagePartName name = new PackagePartName("/test.txt", true); TempFilePackagePart part = new TempFilePackagePart(p, name, "text/plain"); try (OutputStream os = part.getOutputStream()) { - os.write(text.getBytes(StandardCharsets.UTF_8)); + os.write(bytes); } assertEquals(bytes.length, part.getSize()); try (InputStream is = part.getInputStream()) { diff --git a/poi/src/test/java9/module-info.class b/poi/src/test/java9/module-info.class index 438e778ab515b0d480b1fb79ccaffeeafa4e55c6..028b943d0ae7577c19f08d4b20ce352134f4f685 100644 GIT binary patch literal 4145 zcmai1`Fj*a5PgH_iXbRkf)@fR9w<9RgZF``2r7z1#ak!4lg%W%Gvmx`LOk)l@B6;* z`}Xq({{a6eKkL=*Cd2Fy^L=?Q(_P(NU9Y;j^UuG3{S9Cf{;c3G2ZxMAouuw>4O+f~ z!`e}!)ABb2;aF6g@TNQm2ko$?D!eL29aM&fY8z`q8>^^S(Wt_&Vyud$+MQ7w8m00%V!_>lM34$HK}Rqpm=^32%n0rg+$*?G zaKGRI!GnUmf`zBx!?=Imx8YZUkknwd@J}) z@O>3O2!5>KrwV?q;Fk)1t>Cu`ey`vU2a9u2bg(>1nl&%>>f?SbjspHVSj6DgM!i&n zzB*@6kJ{}hOl$S1)$;3EpnnfLII`5D;ny7;+8@#Ovhgz=EE$QtB=xrh*@&O*JF*ou zn?cyDDGyJmrMb{+?0+`=bTW%#2g@cJleJEmcH%fnGQXiKg??5Woyq*sPNOm7;0QW3 z(Fuc0F%B|6(Ov4+%-Mb0)g`Z;I#{Yh+-@jb3j^oKHMrf)bVD-O?sif?(b)Q$OzTQV z&RMu)QJCqHjDCKmMq{k&V!qMelOVQ=xt!{2qY5%m}YE6dGbXYQL z%2`(yXVq4>;ZHd@uB^wO^24mR{p0s*kc(06|Bc*6r`?`O{CbqA!~@%)L%D4pRW@PI zqod3E`V$w`8t25_PS_3NQ!>gWQ+yvZ5) zQ(no%Q81vVlf3TcS#7Kn+STl!n9I4z`bH&HEoT*H`gEFS;~idCCDG35Q{uyH?_BX1 zNU7BAmJYr?@>NBhV~1PU+iTiu=_9UqC63Ht)9n_iEsH@MNK%XouN4~-7{E@28ybK^#zY-bKJeWe~<4>qN$+aYneE`V9f3HUlHzZ)p|6FCg;pI6wO;X z^O2U$IWiti&)FACP5(e{=gHdThw1~pC{8=)@(wQuXWiavj}Wa7Lj^awrGD1$Z6hOF z`@YYPDTbx*iarI~Uc8S(djUuP1?c`Pzykea0S>@IVBvBcXw6G-&|aW|gY9dP;UR{L z4VNe$ilvGbEHgaJ@NmWDs45DMFx-L_%D_s)BMpx-JlgOW!($Cs86Ic2+Hj5GTEpWF zPcS^uaGl{vh9?`IVtA_Idc)HUPdD6PSTl4DHyREZo?&>V;jrN*!?O&}Hay4hT*LDW z&o{il@Iu3j3@cUbB2z2!njTXxep4|r zH6v3sGIb+UIWn~)Q#~^EBU3>#H6&9-a(^e(liyU7OijsDl}ug9RF+I_$yAq2eaTdq zOpVD@nM|F@RGLh!$yA$6y~$LZOwGxgdraN=P36hdo=o-0)St`@ATtNZ%mOm=fXqxF zGZ)Cr1~T)3%#0v2C&z9K&^xMIm F{{h);L3;oI literal 4198 zcmai1X`9qU5UxgGT}4L4TQW)SOm;I#OfoZ!=ZdI!-}i-h zE8aIB`~m(bAFC>vnd~I9?8CnAcDlN|y58#Q=HLI${R04d;9MU}6ELUhSv5!Pu-#El z!0e(|3rsa+J4(R9RF^hp)C~bMN7%XmeF7GHL0L0=!>lOH_iXwtz$^i?$W$vCAx<%~ ze?Z%*?JB@r0qausrdO?cZm5}_<0vz-@$Z2G%ongc*T_<40Tv3F*BVzfqRQ?9EEX`g z=o>+(2JNV*q5{atQ#f9^Y`bL*d0-6P*`=XF{RLQt1KG{Qpa3gcUn~`lN1k7RRRR`_ zS>syG4Qsyd1(C7}um+uQRiu@gkt)?Jt0|zbU+c$z`wFmLz!LI*tmfJgqHjkkz!2F2 zX6(`S(!!e(|0bK@7K~~rVT*wIIDsBVRmX@*xHz6P^-YhXAmNfYsM#*P7ODW%Q;vj7 z1#Fo-XEMHHq>p-Tgv;-UMNQ9VS)&s4*y;3lbvz0TGx7on{Q?SI3sn3NhwT=yCZ|JB zjos73q@f&V-1Qo+gv)cL4{7>+0+w}8j~%+D>JqLLur{w#)s-71k-1vH#-28*2wp2d zJHMT7)vDEIpiD2YBwUxXF>)@o_v;0$$eT9t?x28`dEKoQZpi9dp%vnO-6)p>RW>4p zx*qD`Ok!$cFmDpDzV~XnSuui0!iazkQ(5t;mT+q}FVn7>m~9enJI`D}(~mp}#i_UH z+jTFBjFO`y+|gs3DJhTkn5}K1SCr$c0E2dSHtBg2waCU(b+3R`U6H`kIvTdm=KWdu z5(CpS!;htnN_M(5#5Q~i$9p-&$8Z$47&gO5RV7rjDHG3=Ho^-kKj>A%3_R5A zp1E~N zE+5G?NY#YLvNa87u&ccE6SBx!GcHV5qNlTA3q!mV0=#A=Je#dk zNpH3g|yq-6Xc*PpgQr$l{}lZ&Aq7pPCN z2MRYueY%O4Yr}BHC48E_TjSB6WqoY;od<)2FS1ENm%fhAJ{#X^U&Ylgc?tQB5m7eb zbB~{W628e+zw`~kRlN_s%U-;A8aja(QBmL(D~7KQ2VUK_RL}?C3)t3m2HNLKKiGP; 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